Dallas Semiconductor
DS1286 - (DS1284 / DS1286) Watchdog Timekeepers
DS1284/DS1286 Watchdog Timekeepers
www.maxim-ic.com
GENERAL DESCRIPTION
The DS1284/DS1286 watchdog timekeepers are self-contained real-time clocks, a
(10 views)
Dallas Semiconductor
DS1284 - (DS1284 / DS1286) Watchdog Timekeepers
DS1284/DS1286 Watchdog Timekeepers
www.maxim-ic.com
GENERAL DESCRIPTION
The DS1284/DS1286 watchdog timekeepers are self-contained real-time clocks, a
(9 views)
Dallas Semiconductor
DS1283 - Watchdog Timekeeper Chip
DS1283
DS1283 Watchdog Timekeeper Chip
FEATURES
PIN ASSIGNMENT
INTA X1 X2 NC A5 A4 A3 A2 A1 A0 DQ0 DQ1 DQ2 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28
(8 views)
Dallas Semiconductor
DS1284 - (DS1284 / DS1286) Watchdog Timekeepers
DS1284/DS1286 Watchdog Timekeepers
www.maxim-ic.com
GENERAL DESCRIPTION
The DS1284/DS1286 watchdog timekeepers are self-contained real-time clocks, a
(8 views)
Dallas Semiconductor
DS1284 - (DS1284 / DS1286) Watchdog Timekeepers
DS1284/DS1286 Watchdog Timekeepers
www.maxim-ic.com
GENERAL DESCRIPTION
The DS1284/DS1286 watchdog timekeepers are self-contained real-time clocks, a
(8 views)
ST Microelectronics
M48T201Y - 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
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
(6 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
(6 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
(5 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
(5 views)
ST Microelectronics
M48T251V - 5.0 or 3.3V / 4096K TIMEKEEPER SRAM with PHANTOM
M48T251Y M48T251V
5.0 or 3.3V, 4096K TIMEKEEPER® SRAM with PHANTOM
FEATURES SUMMARY s 5.0V OR 3.3V OPERATING VOLTAGE
s
Figure 1. 32-pin, DIP Package
(5 views)
ST Microelectronics
M48T35AV - 256 Kbit (32 Kbit x 8) TIMEKEEPER SRAM
M48T35AV
3.3 V, 256 Kbit (32 Kbit x 8) TIMEKEEPER® SRAM
Features
■ Integrated, ultra low power SRAM, real-time clock, power-fail control circuit and
(5 views)
ST Microelectronics
MK45T02B15 - CMOS 2K x 8 TIMEKEEPER SRAM
(5 views)
Dallas Semiconductor
DS1486 - RAMified Watchdog Timekeeper
DS1486/DS1486P RAMified Watchdog Timekeeper
www.maxim-ic.com
FEATURES
128 kbytes of user NV RAM Integrated NV SRAM, real-time clock, crystal, power-f
(5 views)
Dallas Semiconductor
DS1486P - RAMified Watchdog Timekeeper
DS1486/DS1486P RAMified Watchdog Timekeeper
www.maxim-ic.com
FEATURES
128 kbytes of user NV RAM Integrated NV SRAM, real-time clock, crystal, power-f
(5 views)
Dallas
DS1386 - RAMified Watchdog Timekeeper
DS1386/DS1386P RAMified Watchdog Timekeeper
www.maxim-ic.com
FEATURES
§ § § § § § § § 8 or 32 kbytes of user NV RAM Integrated NV SRAM, real time clo
(5 views)
STMicroelectronics
M48T37V - 256 Kbit (32 Kbit x 8) TIMEKEEPER SRAM
M48T37Y M48T37V
5.0 or 3.3 V, 256 Kbit (32 Kbit x 8) TIMEKEEPER® SRAM
Features
■ Integrated ultra low power SRAM, real-time clock, power-fail control
(5 views)
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
(4 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
(4 views)
STMicroelectronics
M4T28-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
(4 views)