74ABT651 Search Results

74ABT651 Result Highlights (2)

Part	ECAD Model	Manufacturer	Description	Download	Buy
SN74ABT651DW		Texas Instruments	Octal Bus Transceivers And Registers With 3-State Outputs 24-SOIC -40 to 85
SN74ABT651DWR		Texas Instruments	Octal Bus Transceivers And Registers With 3-State Outputs 24-SOIC -40 to 85

74ABT651 Datasheets (35)

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Part	Manufacturer	Description	Datasheet Type	PDF	PDF Size	Page count
74ABT651	Philips Semiconductors	Octal transceiver-register, inverting (3-State)	Original	PDF	89.89KB	7
74ABT651	Philips Semiconductors	Octal transceiver-register, inverting (3-State)	Original	PDF	115.1KB	13
74ABT651D	Philips Semiconductors	Octal Transceiver/Register, Inverting (3-State)	Original	PDF	115.1KB	13
74ABT651D	Philips Semiconductors	Octal transceiver/register, inverting 3-State	Original	PDF	89.9KB	7
74ABT651D	Unknown	Historical semiconductor price guide (US$ - 1998). From our catalog scanning project.	Historical	PDF	34.13KB	1
74ABT651D	Philips Semiconductors	Octal transceiver/register, inverting (3-State)	Scan	PDF	383.17KB	12
74ABT651D	Philips Semiconductors	Octal transceiver/register, inverting (3-State)	Scan	PDF	336.26KB	13
74ABT651D,112	Philips Semiconductors	Logic - Buffers, Drivers, Receivers, Transceivers, Integrated Circuits (ICs), IC TRANSCVR 3-ST 8BIT INV 24SOIC	Original	PDF		13
74ABT651D,118	Philips Semiconductors	Logic - Buffers, Drivers, Receivers, Transceivers, Integrated Circuits (ICs), IC TRANSCVR 3-ST 8BIT INV 24SOIC	Original	PDF		13
74ABT651DB	Philips Semiconductors	Octal transceiver/register, inverting 3-State	Original	PDF	89.9KB	7
74ABT651DB	Philips Semiconductors	Octal transceiver/register, inverting (3-State)	Original	PDF	143.43KB	11
74ABT651DB	Unknown	Historical semiconductor price guide (US$ - 1998). From our catalog scanning project.	Historical	PDF	34.13KB	1
74ABT651DB	Philips Semiconductors	Octal transceiver/register, inverting (3-State)	Scan	PDF	383.17KB	12
74ABT651DB	Philips Semiconductors	Octal transceiver/register, inverting (3-State)	Scan	PDF	336.26KB	13

74ABT651DB-T	Unknown	Historical semiconductor price guide (US$ - 1998). From our catalog scanning project.	Historical	PDF	34.13KB	1
74ABT651D-T	NXP Semiconductors	Octal transceiver/register, inverting (3-State) - Description: Octal Transceiver/Register; Inverting (3-State) ; F_max: 300 MHz; Logic switching levels: TTL ; Number of pins: 24 ; Output drive capability: -32/+64 mA ; Propagation delay: 4.4 ns; Voltage: 4.5-5.5 V	Original	PDF	115.09KB	13
74ABT651D-T	Philips Semiconductors	Octal transceiver/register, inverting (3-State)	Original	PDF	89.9KB	7
74ABT651D-T	Unknown	Historical semiconductor price guide (US$ - 1998). From our catalog scanning project.	Historical	PDF	34.13KB	1
74ABT651N	Philips Semiconductors	Octal Transceiver/Register, Inverting (3-State)	Original	PDF	115.1KB	13
74ABT651N	Philips Semiconductors	Octal transceiver/register, inverting 3-State	Original	PDF	89.9KB	7

74ABT651 Price and Stock

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Texas Instruments


Texas Instruments SN74ABT651DW Bus Transceivers Octal Bus A 595-SN74 ABT651DWR A 595-SN7 A 595-SN74ABT651DWR
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
Mouser Electronics	SN74ABT651DW		79			1 $5.68 10 $4.48 100 $3.60 1000 $3.33 10000 $3.33	Buy Now
Bristol Electronics	SN74ABT651DW		75		1	1 $4.01 10 $2.61 100 $1.88 1000 $1.88 10000 $1.88	Buy Now
Rochester Electronics	SN74ABT651DW		19,944		1	1 - 10 - 100 $2.90 1000 $2.59 10000 $2.44	Buy Now
TME	SN74ABT651DW				1	1 $6.57 10 $4.89 100 $4.29 1000 $4.29 10000 $4.29	Get Quote
Component Electronics, Inc	SN74ABT651DW		15			1 $3.08 10 $3.08 100 $2.31 1000 $2.00 10000 $2.00	Buy Now
Texas Instruments SN74ABT651DWR Bus Transceivers Octal Bus Trncvr/Reg W/3-State Otpt A 59 A 595-SN74ABT651DW
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
Mouser Electronics	SN74ABT651DWR					1 - 10 - 100 - 1000 - 10000 $2.71	Get Quote
Bristol Electronics	SN74ABT651DWR		55			1 - 10 - 100 - 1000 - 10000 -	Get Quote
Rochester Electronics	SN74ABT651DWR		3,800		1	1 - 10 - 100 $2.19 1000 $1.96 10000 $1.85	Buy Now
TME	SN74ABT651DWR				1	1 $3.20 10 $2.98 100 $2.87 1000 $2.87 10000 $2.87	Get Quote
Vyrian	SN74ABT651DWR		8,735			1 - 10 - 100 - 1000 - 10000 -	Get Quote
Texas Instruments SN74ABT651NT Bus XCVR Single 8-CH 3-ST 24-Pin PDIP Tube
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
Bristol Electronics	SN74ABT651NT		744			1 - 10 - 100 - 1000 - 10000 -	Get Quote
Component Electronics, Inc	SN74ABT651NT		18			1 $7.69 10 $7.69 100 $5.77 1000 $5.00 10000 $5.00	Buy Now
Vyrian	SN74ABT651NT		9,310			1 - 10 - 100 - 1000 - 10000 -	Get Quote
Texas Instruments SN74ABT651NTE4 Registered Bus Transceiver, ABT Series, 1-Func, 8-Bit, Inverted Output, BICMOS, PDIP24
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
Rochester Electronics	SN74ABT651NTE4		30		1	1 - 10 - 100 $3.04 1000 $2.72 10000 $2.56	Buy Now
Vyrian	SN74ABT651NTE4		7,808			1 - 10 - 100 - 1000 - 10000 -	Get Quote
Texas Instruments SN74ABT651DBR Registered Bus Transceiver, ABT Series, 1-Func, 8-Bit, Inverted Output, BICMOS, PDSO24
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
Rochester Electronics	SN74ABT651DBR		83		1	1 - 10 - 100 $2.77 1000 $2.48 10000 $2.34	Buy Now

Find more 74ABT651 price and stock on Findchips.com

74ABT651 Datasheets Context Search

Catalog Datasheet	Type	Document Tags	PDF
74ABT652 Philips Abstract: 74ABT651 74ABT651D 74ABT651N 74ABT651PW 74ABT652 Contextual Info: INTEGRATED CIRCUITS 74ABT651 Octal transceiver/register, inverting 3-State Product data Supersedes data of 1995 Sep 06 Philips Semiconductors 2002 Dec 17 Philips Semiconductors Product data Octal transceiver/register, inverting (3-State) FEATURES 74ABT651	Original	74abt651 74abt652 74abt652 philips 74abt651d +274abt651n 74abt651pw	PDF
74ABT652 Philips Contextual Info: Philips Semiconductors Product specification Octal transceiver/register, inverting 3-State 74ABT651 FEATURES DESCRIPTION • independent registers for A and B buses The 74ABT651 high-performance BiCMOS device combines low static and dynamic power dissipation with high speed and high	OCR Scan	74abt651 74abt652 64ma/-32ma 500ma +374abt 500ns 74abt652 philips	PDF
DDT7012 Abstract: 74ABT651 74ABT651D 74ABT652 74ABT652 Philips MSA401 Contextual Info: Philips Semiconductors Product specification Octal transceiver/register, inverting 3-State 74ABT651 FEATURES DESCRIPTION • Independent registers for A and B buses The 74ABT651 high-performance BiCMOS device combines low static and dynamic power dissipation with high speed and high	OCR Scan	74abt651 74abt652 64ma/-32ma 500ma +7mo-153ad 1995sep06 711dfl2b ddt7012 74abt651d 74abt652 philips msa401	PDF
SA00098 Abstract: 74ABT651 74ABT651PW 74ABT652 Contextual Info: Philips Semiconductors Product specification Octal transceiver/register, inverting 3-State FEATURES 74ABT651 DESCRIPTION • Independent registers for A and B buses • The 74ABT651 is the inverting version of the 74ABT652 • Multiplexed real-time and stored data	Original	74abt651 74abt652 500ma 74abt +4500ns sa00012 sa00098 74abt651pw	PDF
74ABT651 Abstract: 74ABT651D 74ABT651N 74ABT651PW 74ABT652 74ABT652 Philips Contextual Info: INTEGRATED CIRCUITS 74ABT651 Octal transceiver/register, inverting 3-State Product specification 1995 Feb 23 IC23 Data Handbook Philips Semiconductors PHILIPS PHILIPS 711002b 000700b 121 m \ This Material Copyrighted By Its Respective Manufacturer Product specification	OCR Scan	74abt651 711002b 000700b 74abt652 +764ma/-32ma 500ma tssop24 74abt651d 74abt651n 74abt651pw 74abt652 philips	PDF
5555 FAIRCHILD optocoupler Abstract: MC74HC374N 74hc14n equivalent NC7S125M5 14069 HCF4541BEY APPLICATION HCF4013BE 4026 fairchild datasheet 14543 motorola Motorola DM74LS139N Contextual Info: R E L I A B L E . L O G I C . I N N O V A T I O N . Logic Cross-Reference Logic Cross-Reference 2003 Texas Instruments Printed in the U.S.A. by Texoma Business Forms, Durant, Oklahoma Printed on recycled paper. SCYB017A NEW First Revision Logic Cross-Reference	Original	scyb017a a010203 5555 fairchild optocoupler mc74hc374n +874hc14n equivalent nc7s125m5 14069 hcf4541bey application hcf4013be 4026 fairchild datasheet 14543 motorola motorola dm74ls139n	PDF
jc 817 Abstract: TEXTOOL zif 40 pin socket IC CHIP 817C TEXTOOL zif 42 pin socket encapsulate smd 227 74ABT544 AN241 74ABT652 Philips ssop junction to ambient resistance 74ABT126 Contextual Info: Philips Semiconductors Advanced BiCMOS Products Application note Thermal considerations for advanced logic families Futurebus+, ABT and MULTIBYTE management of thermal characteristics becomes a growing concern because not only are the SMD packages much smaller,	Original	jc 817 textool zif 40 pin socket ic chip 817c textool zif 42 pin socket +6encapsulate smd 227 74abt544 an241 74abt652 philips ssop junction to ambient resistance 74abt126	PDF
SAF7730HV Abstract: BB 509 varicap diode CP3236D TDA8841 phx4nq60e PHX10NQ60E SAA4849PS Philips SAF7730HV om8839ps saf7730hv 331 Contextual Info: PHILIPS SEMICONDUCTORS DN 54 December 31, 2004 SEE DN54 NOTICE LETTER FOR APPLICABLE LAST TIME BUY TERMS, CONDITIONS AND CODE DEFINITIONS FOR THESE DISCONTINUED PRODUCTS. REFER TO PHILIPS WEB-SITE "http://www.semiconductors.philips.com/eol FOR ADDED INFORMATION.	Original	saf7730hv bb 509 varicap diode cp3236d tda8841 +6phx4nq60e phx10nq60e saa4849ps philips saf7730hv om8839ps saf7730hv 331	PDF
P174FCT244 Abstract: P174LPT-245 P174FCT574T P174FCT245T P174LPT QS74FCT280 P174FCT24 P174LPT16373 IDT74FCT IDT74FBT2827 Contextual Info: fl PERICOM I I I I I I II II I I I I I I I II I I I I I I I I II I I I I I II I I I I I I I I I I I II I M I I I I II I I I I I I I I I I I I I I II I I I I II I I I I I I I I I I I I I I I I I I I I I I I I I I \| 1 I I \| II PRODUCT CROSS REFERENCE GUIDE	OCR Scan	am29c821a am29c823a am29c827a am29c828a +16am29c841a am29c843a am29c861a am29c863a cy29fct52at/bt/ct cy29fct520at/bt p174fct244 p174lpt-245 p174fct574t p174fct245t p174lpt qs74fct280 p174fct24 p174lpt16373 idt74fct idt74fbt2827	PDF
BUK2114 Abstract: BUK2114-50SYTS saa7117 SAA7136E MPSA92 168 saa7136 buk2914-50syts TDA8920BTH bu4508dx KMZ52 Contextual Info: Index Type number Page number 1N4148 34 1N4531 34 1N47xxA series 44 1PS10SB62 32 1PS10SB63 32 1PS10SB82 32 1PS181 36 1PS184 36 1PS193 34 1PS226 36 1PS59SB10 28 1PS59SB14 28 1PS59SB15 28 1PS59SB16 28 1PS59SB20 30 1PS59SB21 28 1PS66SB17 32 1PS66SB62 32 1PS66SB63	Original	1n4148 1n4531 1n47xxa 1ps10sb62 +161ps10sb63 1ps10sb82 1ps181 1ps184 1ps193 1ps226 buk2114 buk2114-50syts saa7117 saa7136e mpsa92 168 saa7136 buk2914-50syts tda8920bth bu4508dx kmz52	PDF
CD4558 Abstract: NC7S125 MC74F138N HCF4541 Motorola MC74HC251N 74ACT161 DHVQFN-20 74V1G08 SOT323/5 HCF4017 SN74ACT14DR Contextual Info: Logic Cross-Reference Introduction This Logic Cross-Reference for Buyers, Distribution Specialists and others with an interest in Logic will assist in finding a device made by Texas Instruments that is identical or similar to many of our competitors’ Logic products.	Original	74abt16244 a010203 53001cov scyb017 +10cd4558 nc7s125 mc74f138n hcf4541 motorola mc74hc251n 74act161 dhvqfn-20 74v1g08 sot323/5 hcf4017 sn74act14dr	PDF
TA8172AF Abstract: TB 1226 BN TA8859P mg75n2ys40 t6961A TA8242AK ta8644n 7378P ta8310 7628P Contextual Info: Index of Type Number Type Number 015Z10 015Z11 015Z12 015Z2.0 015Z2.0-12 015Z2.2 015Z2.4 015Z2.7 015Z3.0 015Z3.3 015Z3.6 015Z3.9 015Z4.3 015Z4.7 015Z5.1 015Z5.6 015Z6.2 015Z6.8 015Z7.5 015Z8.2 015Z9.1 02CZ10 02CZ11 0 2 C Z 12 0 2 C Z 13 0 2 C Z 15 0 2 C Z 16	OCR Scan	015z10 015z11 015z12 015z2 +11015z3 ta8172af tb 1226 bn ta8859p mg75n2ys40 t6961a ta8242ak ta8644n 7378p ta8310 7628p	PDF
ph 4148 zener diode Abstract: philips zener diode ph 4148 pcf0700p Zener Diode ph 4148 PCA1318P ck2605 pcf0700p/051 philips Pca1318p on4673 Zener Diode 4148 Contextual Info: PHILIPS SEMICONDUCTORS PRODUCT DISCONTINUATION NOTICE NUMBER DN-40 DATED DECEMBER 31, 1998 EXHIBIT 'A' PHILIPS PHILIPS PHILIPS PART NUMBER PKG PART DESCRIPTION LAST TIME LAST TIME REPLACEMENT STATUS 12 NC NUMBER BUY DATE DLVY DATE PART CODE S COMMENTS DISCONTINUED INTEGRATED CIRCUIT PRODUCTS	Original	dn-40 74abt126 74abt2240 x3g-bzx84-c7v5 +11x3g-bzx84-c9v1 ph 4148 zener diode philips zener diode ph 4148 pcf0700p zener diode ph 4148 pca1318p ck2605 pcf0700p/051 philips pca1318p on4673 zener diode 4148	PDF
tda8841 s1 Abstract: saf7730hv om8839ps phx4nq60e TDA8842 s1 Philips SAF7730HV CP3236D BB 505 Varicap Diode TDA8841 S1 datasheet tda8844s1 Contextual Info: Philips Semiconductors December 31, 2004 Attention: Materials Manager, Purchasing Manager and Philips' Products Manager Subject: Philips Semiconductors' Product Discontinuation Notice Number DN-54 Dear Philips Semiconductors Customer or Distributor: This letter confirms to your company that Philips Semiconductors is discontinuing the manufacture of a number of its'	Original	dn-54 tda8841 s1 saf7730hv om8839ps +7phx4nq60e tda8842 s1 philips saf7730hv cp3236d bb 505 varicap diode tda8841 s1 datasheet tda8844s1	PDF

transistor no3 Abstract: 74ABT04 74ABT16245B 74ALVT162245 N-03 transistor N03 n03 transistor 74ABT74 74LVT16500A MB2244 Contextual Info: Philips Semiconductors Advanced BiCMOS features Advanced BiCMOS Features During Vc c ramp up or ramp down, the outputs are guaranteed to remain 3-State up to 2.1 V for ABT and MULTIBYTE families and 1.2 V for LVT 16 and ALVT families, regardless of the voltage level	OCR Scan	transistor no3 74abt04 74abt16245b 74alvt162245 +6n-03 transistor n03 n03 transistor 74abt74 74lvt16500a mb2244	PDF
74ls74apc Abstract: HD74ls04p 74LVC1G04ady8 semiconductor AZ431BZ-AE1 HCF4060BE HEF4093BP datasheet free download ne5334 hd74hc132p dm74ls47n Contextual Info: Standard Linear and Logic Products Cross-Reference Introduction Notice This Standard Linear and Logic Products CrossReference will assist in finding a device made by Texas Instruments that is a drop-in or similar replacement to many of our competitors’ standard linear and logic products.	Original	74ls74apc hd74ls04p 74lvc1g04ady8 semiconductor +6az431bz-ae1 hcf4060be hef4093bp datasheet free download ne5334 hd74hc132p dm74ls47n	PDF
74ABT544 Contextual Info: Philips Semiconductors Functional selection guide ABT family GATES FUNCTION DEVICE NUMBER INVERTERS Hex inverter 74ABT04 NAND Quad 2 input 74ABT00 Triple 3 input 74ABT10 Dual 4 input 74ABT20 AND Quad 2 input 74ABT08 NOR Quad 2 input 74ABT02 OR Quad 2 input	Original	74abt04 74abt00 74abt10 74abt20 +774abt08 74abt02 74abt32 74abt74 74abt273a 74abt374a 74abt544	PDF
MC0628R Abstract: 40373 74hc14n equivalent 4046 application note philips HCF4060BE HCF4017BE SN74121 application note MC74HC373DW mc0628 HCF4053BE Contextual Info: R E L I A B L E . L O G I C . I N N O V A T I O N . Logic Cross-Reference Logic Cross-Reference 2003 Texas Instruments Printed in the U.S.A. by Texoma Business Forms, Durant, Oklahoma Printed on recycled paper. SCYB017A NEW First Revision Logic Cross-Reference	Original	scyb017a t74alvc32374 74cbtlv16211 sn74cbtd16211 +14sn74sstv16859 sn74cbtlv16211grdr sn74alvc16245agrdr -sn74sstv16859gker mc0628r 40373 74hc14n equivalent 4046 application note philips hcf4060be hcf4017be sn74121 application note mc74hc373dw mc0628 hcf4053be	PDF
220v AC voltage stabilizer schematic diagram Abstract: LG color tv Circuit Diagram tda 9370 1000w inverter PURE SINE WAVE schematic diagram schematic diagram atx Power supply 500w TV SHARP IC TDA 9381 PS circuit diagram wireless spy camera 9744 mini mainboard v1.2 sony 279-87 transistor E 13005-2 superpro lx Contextual Info: QUICK INDEX NEW IN THIS ISSUE! Detailed Index - See Pages 3-24 AD9272 Analog Front End, iMEMS Accelerometers & Gyroscopes . . . . . . 782, 2583 Connectors, Cable Assemblies, IC Sockets . . . . . . . . . . . 28-528 Acceleration and Pressure Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . Page 2585	Original	ad9272 p462-nd lng295lfcp2u p463-nd +11lng395mftp5u 220v ac voltage stabilizer schematic diagram lg color tv circuit diagram tda 9370 1000w inverter pure sine wave schematic diagram schematic diagram atx power supply 500w tv sharp ic tda 9381 ps circuit diagram wireless spy camera 9744 mini mainboard v1.2 sony 279-87 transistor e 13005-2 superpro lx	PDF
74hc273 Abstract: 74hct273 74HCT390 3Gxxx hef4750 hef4066 toshiba datecode 74HC4520 dual sot363 marking code dp 74f3037 Contextual Info: Logic Logic 93 5 Volt Logic Product Spectrum FEATURES AND FUNCTIONS FUNCTIONAL MATRIX • ALVT • • HEF4000 • • • • • • • • • • • HC/HCT • • • • • • • • • • • FAST • • • • • • • • • • • ABT	Original	hef4000 mb2245 16-bit mb2543 +11mb2652 74hc273 74hct273 74hct390 3gxxx hef4750 hef4066 toshiba datecode 74hc4520 dual sot363 marking code dp 74f3037	PDF
hef4051 Abstract: 74AUP2G34 74LVT1403 74ABT543A 74LV74 74AVCH1T45 74HC590 CBTD3306 NCX2200 74HC40103 Contextual Info: ロジック IC データスイッチ/アナログスイッチコンパレータレベルシフタ汎用ロジック Index 2 ●● P3 NXP ロジック ●● P4 低抵抗アナログスイッチ/データスイッチ ●● P7 コンパレータ ●●	Original	hef4051 74aup2g34 74lvt1403 74abt543a +674lv74 74avch1t45 74hc590 cbtd3306 ncx2200 74hc40103	PDF
transistor no3 Abstract: 74ABT04 74ABT16245B 74ALVT162245 74lvt16374a 74ABT00 74ABT02 74ABT08 74ABT10 74ABT20 Contextual Info: Philips Semiconductors Advanced BiCMOS features During VCC ramp up or ramp down, the outputs are guaranteed to remain 3-State up to 2.1 V for ABT and MULTIBYTETM families and 1.2 V for LVT 16 and ALVT families, regardless of the voltage level of the data or enable input pins. Output leakage current is limited to	Original	fe2821 74alvt16823 74alvt162823 74alvt16827 +1574alvt162827 74alvt16841 74alvt16899 74alvt16952 74alvt16953 transistor no3 74abt04 74abt16245b 74alvt162245 74lvt16374a 74abt00 74abt02 74abt08 74abt10 74abt20	PDF
5555 FAIRCHILD optocoupler Abstract: DM74LS75N MC74HC373DW 74hc14n equivalent HCF4060BE 40373 NC7S125M5X datasheet 14543 motorola 14049 CD40106BE Contextual Info: R E L I A B L E . L O G I C . I N N O V A T I O N . Logic Cross-Reference Logic Cross-Reference 2003 Texas Instruments Printed in the U.S.A. by Texoma Business Forms, Durant, Oklahoma Printed on recycled paper. SCYB017A NEW First Revision Logic Cross-Reference	Original	scyb017a a010203 5555 fairchild optocoupler dm74ls75n +8mc74hc373dw 74hc14n equivalent hcf4060be 40373 nc7s125m5x datasheet 14543 motorola 14049 cd40106be	PDF

74ABT651 Search Results

74ABT651 Result Highlights (2)

74ABT651 Datasheets (35)

74ABT651 Price and Stock

Texas Instruments SN74ABT651DW

Texas Instruments SN74ABT651DWR

Texas Instruments SN74ABT651NT

Texas Instruments SN74ABT651NTE4

Texas Instruments SN74ABT651DBR

74ABT651 Datasheets Context Search

74ABT652 Philips

74ABT652 Philips

DDT7012

SA00098

74ABT651

5555 FAIRCHILD optocoupler

jc 817

SAF7730HV

P174FCT244

BUK2114

CD4558

TA8172AF

ph 4148 zener diode

tda8841 s1

transistor no3

74ls74apc

74ABT544

MC0628R

220v AC voltage stabilizer schematic diagram

74hc273

hef4051

transistor no3

5555 FAIRCHILD optocoupler