021492 Search Results

DS1640

Abstract: D012 DS1640C
Contextual Info: DS1640/DS1640C DS 1640/DS 1640C Personal Computer Power FET DALLAS SEMICONDUCTOR FEATURES PIN ASSIGNMENT • Contains four P channel power FET switches that can each supply over 300 mA @ 0.2 volts drop IN1 C 1 16 □ IN4 C 2 15 3 GATE4 OUT1 C 3 14 H OUT4 LATCH C

self powered time counter

Abstract: DS1603 GQG5144 T-57-19
Contextual Info: D S1603 DALL AS S E M I C O N D U C T O R CORP 2 b l 4 1 3 G DOOSlBfl T 50E D DALLAS DS1603 Elapsed Time Counter Module SEMICONDUCTOR 7^ - T ' - / ? FEATURES PIN ASSIGNMENT • Two 32 bit counters keep track of real time and elapsed time OQ □ i □ 2 □ 3

Contextual Info: D S 1651, D S 1652 PRELIMINARY DALLAS SEMICONDUCTOR DS1651 3-Code Lock, DS1652 Key Match Memory System FEATURES PIN ASSIGNMENT • The two chip lock and key system form the basis of a secure access system 1 W 8 ~ m SEND1 SEND2 Q E 2 7 ~m LEARN n r 3 6 H D SEND3

DS1367

Contextual Info: D S1 30 5/D S1 38 7 DALLAS SEMICONDUCTOR DS1385/DS1387 RAMified Real Time Clock 4K x 8 PIN ASSIGNMENT FEA TU RES • Upgraded IBM AT computer clock/calendar with 4K x 8 extended RAM OERC 1 • Totally nonvolatile with over 10 years of operation in the absence of power

Contextual Info: DS 1232LP/LPS DALLAS SEMICONDUCTOR FEATURES DS1232LP/LPS Low Power MicroMonitor Chip PIN ASSIGNMENT • Super low-power version of DS1232 • 50 nA quiescent current • Halts and restarts an out-of-control microprocessor • Automatically restarts microprocessor after power

Contextual Info: DS1653, DS1652 PRELIMINARY DALLAS SEMICONDUCTOR DS1653 4-Code Lock, DS1652 Key Match Memory System FEATURES PIN ASSIGNMENT • The two chip lock and key system form the basis of a secure access system 8 2 m LEARN Q L 3 7 6 SEND4 O E 4 5 in V c c I 11 • The match memory system is compatible with a vari­

Contextual Info: D S 1000 DALLAS DS1000 5-Tap Silicon Delay Line SEMICONDUCTOR PIN ASSIGNMENT FEATURES • All-silicon time delay IN [ 1 T 7 14 D Vce IN £ 1 NC NCC 2 • 5 taps equally spaced NC[ 2 13 ] • Delays are stable and precise n c[ 12 ] TAP 1 3 TAP 2 £ 4 • Both leading and trailing edge accuracy

Contextual Info: DS12885, DS12885Q DALLAS SEMICONDUCTOR DS12885, DS12885Q Real Time Clock PIN ASSIGNMENT FEATURES • Drop-in replacement for IBM AT computer clock/ca­ lendar • Pin configuration closely matches MC146818B and DS1285 • Counts seconds, minutes, hours, days, day of the

DS1205U

Contextual Info: DS1205U D A LLA S DS1205U s e m ic o n d u c t o r Multi K e y FEATURES PIN ASSIG NM ENT • Three secure read/write data partitions of 384 bits each DALLAS • 64-bit security match and I.D. fields provide positive identification and security for each secure data parti­

DS1868

Abstract: LM 4440 AUDIO AMPLIFIER CIRCUIT DS1230y-200 battery date codes circuit diagram laptop motherboard Scans-049 texas instrument catalog 74ls DS1666-50 st c031 s1040 diode
Contextual Info: S ystem E x t e n s i o n Data Book CPU Supervisors Digital Potentiometers Silicon Timed Circuits Thermal Products DALLAS SEMICONDUCTOR Copyright 1994 Dallas Semiconductor Corporation, Dallas, Texas All Rights Reserved. Circuit diagrams are included to illustrate typical semiconductor applications. Complete information sufficient for

1mx1 DRAM DIP

Abstract: 1mx1 DRAM 1MX1
Contextual Info: D A LLA S s e m ic o n d u c t o r FEATURES • Provides 3-wire serial acoess to DRAM • Converts DRAM into nonvolatile memory using external backup supply • Addresses up to 16Mx1 of memory • Data can be read from or written to DRAM via single or multi-bit transfers

Contextual Info: DS1651, DS1652 PRELIMINARY DALLAS DS1651 3-Code Lock, DS1652 Key Match Memory System SEMICONDUCTOR FEATURES PIN ASSIGNMENT • The two chip lock and key system form the basis of a secure access system Vc c O E SEND2 Œ • The match memory system is compatible with a vari­

Contextual Info: DS1632 DALLAS se m ic o n d u c to r „ „ _ DS1632 PC Power Fail and Reset Controller FEATURES PIN ASSIGNMENT • Power fail detector for personal computers and workstations PBRST C X1 £ 1 2 X2C 3 4 V bat £ 5 6 LB • c- 7 TOL GND C 8 • Connects directly to popular personal computer chip

DS1640

Contextual Info: DS1640/DS1640C DALLAS SEMICOKDUCTOR DS1640/DS1640C Personal Computer Power FET PIN ASSIGNMENT FEATURES • Contains four P channel power FET switches that can each supply over 300 mA @ 0 . 2 volts drop IN1 • Controlled directly from CMOS or TTL level signals

DS1232* watch dog timer

Abstract: DS1232 timer ds1232 021492
Contextual Info: DS1232/DS1232S DALLAS SEMICONDUCTOR DS1232 MicroMonitor Chip PIN ASSIGNMENT FEATURES • Halts and restarts an out-of-control microprocessor NCm • Holds microprocessor in check during power transients PBRST U l PBRST C 1 • Automatically restarts microprocessor after power

D8199

Abstract: cue 4 DS199X S199X
Contextual Info: DS1992/DS1993/DS1994 PRELIMINARY DS1992/DS1993 1K—Bit/4K—Bit Touch Memory DS1994 4K-Bit Plus Time Touch Memory DALLAS SEMICONDUCTOR SPECIAL FEATURES • 4096 bits of read/write nonvolatile memory DS1993 and DS1994 • 1024 bits of read/write nonvolatile memory (DS1992)

Contextual Info: DS1652B PRELIMINARY DALLAS SEMICONDUCTOR DS1652B Key Code Memory FEATURES PIN ASSIGNMENT • The key forms the basis of a secure access system • The DS1652B is compatible with a variety of RF, seri­ al, ultrasound, and optical transmission media ] SEND1

Low Input Capacitance MOS FET

Abstract: POWER FET DATA BOOK ttl logic gates DS1640 3 input or gate DS1640C
Contextual Info: DS1640/DS1640C DS1640/DS1640C Personal Computer Power FET FEATURES PIN ASSIGNMENT • Contains four P channel power FET switches that can each supply over 300 mA @ 0.2 volts drop • Controlled directly from CMOS or TTL level signals • Fast switching time of less than 10 µs at rated supply

Schematic of 100K digital potentiometer

Abstract: Variable resistor 10K ohm DS1667-100 "Digital to Analog Converters" AC Potentiometers op amp pin diagram 1K variable resistor RESISTOR POTENTIOMETER Variable resistor 10K ohm pot Variable resistor 50K ohm
Contextual Info: DS1667 DS1667 Digital Resistor with OP AMP FEATURES PIN ASSIGNMENT • Two digitally controlled 256-position potentiometers NINV0 1 20 VCC port provides means for setting and reading both potentiometers INV0 2 19 OUT0 VB 3 18 SOUT • Resistors can be connected in series to provide addi-

Contextual Info: DALLAS SEMICONDUCTOR PIN ASSIGNMENT FEATURES • Three secure read/write data partitions of 384 bits each VCCI Q £ nc • One non-secure read/write data partition of 512 bits • Secure data cannot be deciphered by reverse engi­ neering ~n~i v c c o 1 16

Contextual Info: DALLAS SEMICONDUCTOR DS1336 Afterburner Chip PIN ASSIGNMENT FEATURES • Provides power switching of up to 1.5 amps at voltages between 3 and 5 volts • Five separate power switches • Selectable battery switches battery-backed systems for use with • Very low on impedance of 0.7 il

Contextual Info: DALLAS DS122?7 s e m ic o n d u c to r K ickstarter Chip PIN ASSIGNMENT FEATURES • Provides step-up regulation and microenergy management for battery-operated systems VCC02 £ 1 VCC03 [ 2 VCC01 [ 3 • Converts +3V to +6V DC input power source to +5V DC out for system power

Contextual Info: DS1633X DALLAS SEMICONDUCTOR FEATURES DS1633X High Speed Battery Recharger PIN ASSIGNMENT {HP PKG • Recharges lithium batteries and NiCad batteries • Cuts in half normal battery charge time • Accepts open circuit power supply voltages between 4.75 and 6.0 V, and battery voltages between 0 and

DS1640

Contextual Info: DS1640/DS1640C DALLAS SEMICONDUCTOR DS 1640/DS 1640 C Personal Computer Power FET PIN ASSIGNMENT FEATURES • Contains four P channel power F E T switches that can each supply over 300 mA <§>0.2 volts drop C 1 C 2 OUT1 C 3 LATCH E 4 GND C 5 • Controlled directly from CMOS or T T L level signals