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Part : SDP8490-303 Supplier : Honeywell Manufacturer : Master Electronics Stock : 102 Best Price : $2.22 Price Each : $2.99
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DP8490 Datasheet

Part Manufacturer Description PDF Type
DP84900 National Semiconductor Encoder/Decoder Circuit Original
DP84900M National Semiconductor 1,7 Encoder/Decoder Circuit Original
DP84900MS National Semiconductor 1,7 Encoder/Decoder Circuit Original
DP84901 National Semiconductor Encoder/Decoder Circuit Original
DP84902 National Semiconductor 1,7 Encoder/Decoder Circuit Original
DP84902M National Semiconductor 1,7 Encoder/Decoder Circuit Original
DP84902MS National Semiconductor 1,7 Encoder/Decoder Circuit Original
DP84907 National Semiconductor Encoder/Decoder Circuit Original
DP8490N N/A Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. Scan
DP8490V N/A Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. Scan

DP8490

Catalog Datasheet MFG & Type PDF Document Tags
Abstract: Mbytes sec) (with existing NCR5380) FEATURES OF NATIONAL's DP8490 DP5380 Low Power The DP8490 , process does not start until the bus is free the mP may be polling for many milliseconds The DP8490 , overlapped seeks etc The DP8490 also implements the 2 2 ms SCSI arbitration delay before interrupting the mP Loopback Testing The DP8490 provides a loopback test mode Each SCSI pin driver is disabled and , boards in a SCSI system Microprocessor Parity The PCC-packaged DP8490 provides an extra pin for mP National Semiconductor
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AB-39 C1995
Abstract: be selected due to the lack of an alternative but the DP8490 EASI from National Semiconductor will , DP8490 and DP5380 support selection reselection arbitration and all other bus phases as detailed in the , National's DP8490 and DP5380 are implemented in low voltage silicon gate microCMOS which gives power and , 4 mA compared to the NCR5380 145 mA and DMA rates of over ENHANCED INTERRUPTS The DP8490 , SCSI bus it is a common occurrence The DP8490 supplies an interrupt flag for this and all other National Semiconductor
Original
AN-562 SCSI 5380 PLCC HPC16000
Abstract: National Semiconductor Application Note 563 Andrew M Davidson June 1989 The DP8490 Enhanced , compatible until an enhanced mode bit is set in the DP8490 This enhanced mode offers many new features , either the DP5380 or DP8490 Since the software automatically detects which device is inserted either can be used although the enhanced mode of the DP8490 offers a better system in terms of throughput and , Interface NSC831 PIO (Parallel Input Output) 3 SCSI Interface DP8490 or DP5380 4 Memory CMOS EPROM National Semiconductor
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NMC27C256 NSC800 AN-563 STATIC RAM 62256 RAM 62256 ASC-88 nsc800 family A330X NSC800TM
Abstract: new low cost high performance Small Computer Systems Interface (SCSI) devices the DP5380 and DP8490 , type device but since it is manufactured in CMOS it offers speed and power advantages The DP8490 , a DP8490 The DMA controller was implemented in a Xilinx Programmable Gate Array These devices offer , arbitration the DP8490 EASI frees many milliseconds or even seconds to be used at the system designers , at which point the asynchronous SCSI approaches synchronous SCSI speeds For new designs the DP8490 National Semiconductor
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AN-575 NCR SCSI AN5751 NCR 5380 5380 scsi schematic f10104 AN-575-1
Abstract: National Semiconductor PRELIMINARY January 1989 DP8490 Enhanced Asynchronous SCSI Interface (EASI) General Description The DP8490 EASI is a CMOS device designed to provide a low cost, high performance , oscillator provides all timing delays. The DP8490 is pin and program compatible wlth the NMOS NCRS380 and , hardware or software. The DP8490 includes new features which make this part more attractive for new designs , interrupt control logie. The DP8490 is available in a 40-pin DIP or a 44-pin PCC. The EASI is intended to be -
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fxp 3s ns800 AM5380 D-8000 AA32096
Abstract: KEY FEATURES Software compatible with the NSC DP8490 and NCR 5380 controllers , NSC DP8490, a NCR 5380 or a NCR 5380-compatible controller should be able to use the M8490 without Mentor Graphics
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vhdl code M8490 design of dma controller using vhdl M8490 scsi ncr scsi script verilog code for dma controller PD-40019 003-FO
Abstract: Interface DP8490 1 Microcontroller 16 Bit ROMless 512 Bytes RAM HPC46004 1 Memory National Semiconductor
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IRF9220 DP8531 Hard Disk spindle motor IRF922 temperature control system using LM35 DP8468B SB-111
Abstract: INDEX Base Part No * Description LM10 LM11 LM12 LMC660 LMC662 LM6361 LM6364 LM6365 LM6321 LM6325 LMF100 ADC1005 ADC0820 ADC0844/48 DAC0800 DAC0630/1 DAC0830/32 LP324 LP311 LP339 LP365 LP2950/1 LM395 LM628/9 LM2575 LM1881 LM1875 LM386 LM1035 LM607 LM604 LM611/14 LM613 LM837 DS3691 DS8921 DS75491/2 DS14C88/89 DS3695 DS26C31/32 DS34C86/87 DS8390/91/92 DP5380 DP8490 DP8420/22 Precision Op-Amp and Reference Precision DC Op-Amp 150 W a tt Power Op-Amp Dual -
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bass treble using lm324 T-20W GAL20V8A 20RP8
Abstract: can be connected to the input of another device's control register such as the DP84900 (ENDEC) so that Texas Instruments
Original
DP84910 DP84910-36 DP84910-50 SNOS685A DP84910VHG-36 DP84910VHG-50
Abstract: â mi National Semiconductor PRELIMINARY June 1992 DP84900/DP84901 1,7 Encoder/Decoder Circuits General Description The DP84900 and DP84901 devices are designed to perform the encoding and decoding for , DP84901M See NS Package Number M24B Pin Descriptions for the DP84901 POWER SUPPLY PINS Pin 2 VDD: 5V ± 10 , by assertlng READ GATE to the DP84900. The decoder will then search for 16 uninterrupted code pulses , TRI-STATE of the NRZ output. The DP84901 device will be available in a 24 pin small outline (SO) package -
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free circuit diagram of hard disk AMF 4.0 dp8492 controller st506 SMD HARD DISK CONTROLLER DP84900/DP84901 DP8492 ST506 D-8080
Abstract: NATL SENI COND (UP/UC) 4TE » bS0112fl DD73fl2fl b NSC4 DP84900/DP84901- 1 ,7 Encoder/Decoder Circuits 33 National ÆM Semiconductor General Description The DP84900 and , ) ]> bSOHEfl OGTaflai O MNSC4 DP84900/DP84901- 1 ,7 Encoder/Decoder Circuits ATL SEMICOND (UP/UC , -3 .8 DP84900/DP84901 1,7 Encoder/Decoder Circuits tor device will include all th e fu n ctio ns , end o f the gap. The co n tro lle r must then echo AM F by asserting READ GATE to th e DP84900. The -
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LT 5238 S0112 DP84900/DP84901-- P84900
Abstract: as the DP84900 (ENDEC) so that the number of data lines from the controller can be minimized 27 ­ National Semiconductor
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rc servo hard disk read channel RC SERVO CIRCUIT Japan Servo RC servo datasheet
Abstract: TL F 11963 ­ 2 FIGURE 2 DP84902 Pinout Order Number DP84902M or DP84902MS See NS Package Number , DP84902 1 7 Encoder Decoder Circuit June 1994 DP84902 1 7 Encoder Decoder Circuit General Description The DP84902 is designed to perform the encoding and decoding for disk memory systems It is , ) code type and supports the hard sectored format The DP84902 has the option of selecting either TTL or , use of an internal write clock The DP84902 is available in 20-pin SO and 20-pin SSO packages National Semiconductor
Original
DP849
Abstract: Number DP84902M or DP84902MS See NS Package Number M20B or MSA20 Pin Descriptions Symbol Pin , DP84902 1 7 Encoder Decoder Circuit General Description The DP84902 is designed to perform the , sectored format The DP84902 has the option of selecting either TTL or ECL compatible code output to , clock The DP84902 is available in 20-pin SO and 20-pin SSO packages Features Y Y Y Y Y , 11963 ­ 1 FIGURE 1 DP84902 ENDEC Block Diagram TRI-STATE is a registered trademark of National National Semiconductor
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nrzi rll encoder
Abstract: Diagram TL F 11420­2 FIGURE 2 DP84900 Pinout Order Number DP84900M or DP84900MS See NS Package Number M20B or MSA20 Pin Description for the DP84900 OUTPUT PIN DESCRIPTIONS Pin 7 Early This pin , June 1993 General Description Features The DP84900 is designed to perform the encoding and , the NRZ output The DP84900 is available in a 20-pin SO and SSO package Y Y Y Y Y Y Y , DP84900 1 7 Encoder Decoder Circuit DP84900 PRELIMINARY Pin 15 Write Gate (WG) This input National Semiconductor
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1-1420 switch
Abstract: can be connected to the input of another device's control register such as the DP84900 (ENDEC) so that National Semiconductor
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Abstract: 's control register such as the DP84900 (ENDEC) so that the number of data lines from the controller can be -
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90087
Abstract: TL F 11963 ­ 2 FIGURE 2 DP84902 Pinout Order Number DP84902M or DP84902MS See NS Package Number , DP84902 DP84902 1,7 Encoder/Decoder Circuit Literature Number: SNOS712A DP84902 1 7 Encoder Decoder Circuit June 1994 DP84902 1 7 Encoder Decoder Circuit General Description The DP84902 is designed to perform the encoding and decoding for disk memory systems It is designed to , ) code type and supports the hard sectored format The DP84902 has the option of selecting either TTL or Texas Instruments
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