| PART |
Description |
Maker |
| M48T37V M48T37Y |
3.3V-5V 256Kbit (32Kb x8) Timekeeper SRAM(256K32K x 8) Timekeeper 静态RAM) 3.3 - 5V56Kbit（的32KB × 8）计时器的SRAM56K位（32K的8）计时器静态内存）
|
意法半导
STMicroelectronics N.V.
|
| M48T212A M48T212A-85MH6 M48T212A-85MH1TR M48T212A- |
3.3V TIMEKEEPER CONTROLLER 3.3计时控制
|
ST Microelectronics
意法半导
STMicroelectronics N.V.
|
| M48T129V |
3.3V-5V 1 MB (128K X 8) TIMEKEEPER SRAM
|
ST Microelectronics
|
| HT1380-11 |
Serial Timekeeper Chip
|
Holtek Semiconductor In...
|
| DS1284 DS1284QN |
Watchdog Timekeeper Chip
|
Dallas Semiconducotr
MAXIM - Dallas Semiconductor
|
| AN968 |
VMEBUS TIMEKEEPER REQUIREMENTS
|
SGS Thomson Microelectronics
|
| DS1386 DS1386P |
RAMified Watchdog Timekeeper
|
MAXIM - Dallas Semiconductor
|
| DS1486P DS1486 |
RAMified Watchdog Timekeeper
|
Maxim
|
| HT1380A-15 |
Serial Timekeeper Chip
|
Holtek Semiconductor In...
|
| M48T58Y-70MH1F M48T58Y-70MH1TR M48T58Y-70MH1E M48T |
64 KBIT (8KB X 8) TIMEKEEPER SRAM
|
ST Microelectronics
|
| DS1302 |
Using the Dallas Tricklecharge Timekeeper(充电计时芯片)
|
Maxim Integrated Products, Inc.
|
