Holtek Semiconductor
HT1381A - Serial Timekeeper Chip
HT1380A/HT1381A Serial Timekeeper Chip
Features
• Operating voltage: 2.0V~5.5V • Maximum input serial clock: 500kHz at VDD=2V,
2MHz at VDD=5V • Op
(12 views)
ST Microelectronics
M48T212V - 3.3V TIMEKEEPER supervisor
M48T212V
3.3V TIMEKEEPER® supervisor
Features
■ Integrated real-time clock, power-fail control
circuit, battery and crystal
)■ Converts low power S
(12 views)
Holtek Semiconductor Inc
HT1381 - Serial Timekeeper Chip
HT1380/HT1381 Serial Timekeeper Chip
Features
· Operating voltage: 2.0V~5.5V · Maximum input serial clock: 500kHz at VDD=2V,
2MHz at VDD=5V · Operati
(11 views)
ST Microelectronics
M4T32-BR12SH - Real-time clock and TIMEKEEPER SNAPHAT battery
M4T28-BR12SH M4T32-BR12SH
Real-time clock and TIMEKEEPER® SNAPHAT® battery with crystal
Datasheet - production data
SNAPHAT® battery with crystal
De
(10 views)
ST Microelectronics
M48T12 - 16Kbit (2 Kb x 8) TIMEKEEPER SRAM
M48T02 M48T12
5.0 V, 16 Kbit (2 Kb x 8) TIMEKEEPER® SRAM
Features
■ Integrated, ultra low power SRAM, real-time clock, and power-fail control circuit
(10 views)
ST Microelectronics
MK48T87A - CMOS 64 x 8 Address / Data Multiplexed Timekeeper SRAM
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(10 views)
ST Microelectronics
M48T08 - 64 Kbit 8Kb x 8 TIMEKEEPER SRAM
M48T08 M48T08Y, M48T18
5 V, 64 Kbit (8 Kb x 8) TIMEKEEPER® SRAM
Features
■ Integrated ultra low power SRAM, real-time clock, power-fail control circu
(9 views)
ST Microelectronics
M48T212Y - 5V/3.3V TIMEKEEPER[ CONTROLLER
M48T212Y M48T212V
5V/3.3V TIMEKEEPER® CONTROLLER
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CONVERTS LOW POWER SRAM into NVRAMs YEAR 2000 COMPLIANT (4-Digit Year) BATTERY LOW FLAG INTEGRATED
(9 views)
ST Microelectronics
M48T513V - 3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM
M48T513Y M48T513V
3.3V-5V 4 Mbit (512Kb x8) TIMEKEEPER® SRAM
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INTEGRATED ULTRA LOW POWER SRAM, REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT, BATTERY,
(9 views)
Holtek Semiconductor
HT1380A - Serial Timekeeper Chip
HT1380A/HT1381A Serial Timekeeper Chip
Features
• Operating voltage: 2.0V~5.5V • Maximum input serial clock: 500kHz at VDD=2V,
2MHz at VDD=5V • Op
(8 views)
ST Microelectronics
M41T56 - 512 bit 64b x8 Serial Access TIMEKEEPER SRAM
www.DataSheet4U.com
M41T56
Serial Real Time Clock with 56 bytes NVRAM
Feature summary
■
Counters for seconds, minutes, hours, day, date, month, year
(8 views)
ST Microelectronics
M48T02 - 16Kbit (2 Kb x 8) TIMEKEEPER SRAM
M48T02 M48T12
5.0 V, 16 Kbit (2 Kb x 8) TIMEKEEPER® SRAM
Features
■ Integrated, ultra low power SRAM, real-time clock, and power-fail control circuit
(8 views)
ST Microelectronics
M48T212A - 3.3V TIMEKEEPER CONTROLLER
M48T212A
3.3V TIMEKEEPER® CONTROLLER
PRELIMINARY DATA
s
CONVERTS LOW POWER SRAM into NVRAMs YEAR 2000 COMPLIANT (4-Digit Year) USES SUPER CAPACITOR o
(8 views)
ST Microelectronics
M48T248Y - 5.0 or 3.3V / 1024K TIMEKEEPER SRAM
M48T248Y M48T248V
5.0 or 3.3V, 1024K TIMEKEEPER® SRAM with PHANTOM
FEATURES SUMMARY
■ 5.0V OR 3.3V OPERATING VOLTAGE
Figure 1. 32-pin, DIP Package
(8 views)
ST Microelectronics
M48T59 - 64 Kbit 8Kb x8 TIMEKEEPER SRAM
M48T59 M48T59Y/M48T59V
64 Kbit (8Kb x8) TIMEKEEPER® SRAM
PRELIMINARY DATA
s
INTEGRATED ULTRA LOW POWER SRAM, REAL TIME CLOCK, POWER-FAIL CONTROL CIRC
(8 views)
ST Microelectronics
MK48T18 - (MK48T08 / MK48T18) CMOS 8K x 8 Timekeeper SRAM
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(8 views)
Hanbit Electronics
HMNR88D - TIMEKEEPER NVSRAM
www.DataSheet4U.com
HANBit
HMNR88D(V)
5.0 or 3.3V, 64K bit (8 Kbit x 8) TIMEKEEPER NVSRAM Part No. HMNR88D(V)
GENERAL DESCRIPTION
The HMNR88D(V) TI
(8 views)
Holtek Semiconductor Inc
HT1380 - Serial Timekeeper Chip
HT1380/HT1381 Serial Timekeeper Chip
Features
· Operating voltage: 2.0V~5.5V · Maximum input serial clock: 500kHz at VDD=2V,
2MHz at VDD=5V · Operati
(7 views)
ST Microelectronics
M48T201V - 3.3V-5V TIMEKEEPER CONTROLLER
M48T201Y M48T201V
5.0 or 3.3 V TIMEKEEPER® supervisor
Features
■ Converts low power SRAM into NVRAMs
■ Year 2000 compliant
■ Battery low flag
■ Integ
(7 views)
ST Microelectronics
M48T35 - 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM
M48T35 M48T35Y
5 V, 256 Kbit (32 Kb x 8) TIMEKEEPER® SRAM
Features
■ Integrated, ultra low power SRAM, real-time clock, power-fail control circuit an
(7 views)