| 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.
|
| AN925 |
Time Update in STs TIMEKEEPER Devices
Time Update in ST’s TIMEKEEPER Devices
|
ST Microelectronics
STMICROELECTRONICS[STMicroelectronics]
|
| DS1286 |
Watchdog Timekeeper
|
MAXIM - Dallas Semiconductor
Dallas Semiconducotr
DALLAS[Dallas Semiconductor]
|
| DS1486 DS1486-150 DS1486-120 DS1486P-120 DS1486P D |
RAMified Watchdog Timekeeper
|
DALLAS[Dallas Semiconducotr]
DALLAS[Dallas Semiconductor]
MAXIM - Dallas Semiconductor
|
| M48T129V-85PM1 |
3.3V-5V 1 MB (128K X 8) TIMEKEEPER SRAM
|
ST Microelectronics
|
| HT1380A HT1381A |
Serial Timekeeper Chip
|
Holtek Semiconductor Inc
|
| M48T08 M48T18 |
64K (8K X 8) TIMEKEEPER SRAM
|
ST Microelectronics
|
| DS1486P DS1486 |
RAMified Watchdog Timekeeper
|
Maxim
|
| HT1381-8DIPLF HT1381-8SOPLF |
Serial Timekeeper Chip
|
Holtek Semiconductor Inc
|
| DS1302 |
Using the Dallas Tricklecharge Timekeeper(充电计时芯片)
|
Maxim Integrated Products, Inc.
|
