| PART |
Description |
Maker |
| DS1286 |
Watchdog Timekeeper
|
MAXIM - Dallas Semiconductor
Dallas Semiconducotr
DALLAS[Dallas Semiconductor]
|
| DS1386P |
RAMified Watchdog Timekeeper(带完整功能的实时时钟静态RAM)
|
Maxim Integrated Products, Inc.
|
| HT1380-11 |
Serial Timekeeper Chip
|
Holtek Semiconductor In...
|
| HT1381 HT1380 |
Serial Timekeeper Chip(串行时钟芯片)
|
Holtek Semiconductor Inc.
|
| HT1380 HT1381 1380_1 |
From old datasheet system
Serial Timekeeper Chip
|
HOLTEK[Holtek Semiconductor Inc]
|
| ADM693A ADM691A ADM693AARN ADM693AAN ADM693AARW AD |
P Supervisor , Adjustable Reset and Watchdog Periods
P Supervisor with Backup Battery Switchover, Watchdog Feature, Power Fail Warning, 4.4V Threshold Voltage, 250mA Output Current
P Supervisor with Backup Battery Switchover, Adjustable Reset and Watchdog Periods, Chip Enable Signals, 4.65V Threshold Voltage, Watchdog, Battery Backup and Low Vcc Status O/Ps and 250mA Output Current
P Supervisor with Backup Battery Switchover, 50 ms Nominal Adjustable Reset Period, Adjustable Watchdog Period, Chip Enable Signals, 4.65V Threshold Voltage, Watchdog, Backup Battery and Low Vcc Status O/Ps and 100mA Output Current
Microprocessor Supervisory Circuits
|
Analog Devices
http://
|
| CA5010LT CA5010GN |
64 Kbit (8 Kbit X 8) TIMEKEEPER® SRAM
5V, 256 Kbit (32 Kb x 8) TIMEKEEPER® SRAM 电压基准
|
Electronic Theatre Controls, Inc.
|
| AN925 |
Time Update in STs TIMEKEEPER Devices
Time Update in ST’s TIMEKEEPER Devices
|
ST Microelectronics
STMICROELECTRONICS[STMicroelectronics]
|
| M48T128Y |
3.3V-5V 1 MB (128K X 8) TIMEKEEPER SRAM
|
ST Microelectronics
|
| M48T08-100PC1 M48T08-100PC1TR M48T08 M48T08-150PC1 |
CMOS 8K x 8 TIMEKEEPER SRAM
|
STMICROELECTRONICS[STMicroelectronics]
|
