| PART |
Description |
Maker |
| HT1380A-15 |
Serial Timekeeper Chip
|
Holtek Semiconductor In...
|
| HT1380A HT1381A |
Serial Timekeeper Chip
|
Holtek Semiconductor Inc
|
| MKI41T56 MKI41T56N00 MKI41T56N00TR MKI41T56S00 MKI |
512 bit (64b x8) Serial Access TIMEKEEPER SRAM
From old datasheet system
512 bit (64b x8) Serial Access TIMEKEEPER ? SRAM
512 bit 64b x8 Serial Access TIMEKEEPER SRAM 5124B条x8串行SRAM的访问计时器
|
SGS Thomson Microelectronics
STMICROELECTRONICS[STMicroelectronics]
ST Microelectronics
意法半导
STMicroelectronics N.V.
|
| UEP-5/3500-D48 UEP-5/3500-D24 UEP-15/1200-D24 UEP- |
3.3V, 32 Mbit (1024 KBit x 32) TIMEKEEPER® SRAM
Multi-channel clock distribution circuit
Serial real-time clock with 44 bytes NVRAM and reset
Serial I2C bus RTC with battery switchover
3.3V, 32 Mbit (1024 KBit x 32) TIMEKEEPER® SRAM 模拟IC
Serial SPI bus RTC with battery switchover 模拟IC
|
Murata Power Solutions, Inc.
|
| M41T00 |
SERIAL ACCESS TIMEKEEPER
|
ST Microelectronics
|
| M41T56 M41T56M M41T56MH M41T56SH |
512 bit 64b x8 Serial Access TIMEKEEPER SRAM
|
STMicroelectronics
|
| M48T512Y-70PM1 M48T512V |
3.3V-5V 4 MB (512K X 8) TIMEKEEPER SRAM
3.3V-5V 4 Mbit (512Kb x8) TIMEKEEPER SRAM
|
SGS Thomson Microelectronics
|
| M48T12 M48T12-150PC1 M48T12-200PC1 M48T12-70PC1 M4 |
From old datasheet system
16 Kbit 2Kb x8 TIMEKEEPER[ SRAM
16 Kbit (2Kb x8) TIMEKEEPER SRAM(16K位非易失性计时静态RAM)
|
意法半导
ST Microelectronics
STMICROELECTRONICS[STMicroelectronics]
|
| AT83C21GC |
GemCore Serial Lite PRO
AT83C21GC is based on an Atmel C51 MCU and includes GemCore?Serial Lite Pro software. It is a single-chip ready-to-use pre-certified solution that can be quickly and easily integrated into any serial smart card reader.
|
ATMEL Corporation
|
| M4T28-BR12SH M4T28-BR12SH1 M4T28-BR12SH1TR M4T28-B |
TIMEKEEPER庐 SNAPHAT庐 (battery and crystal)
TIMEKEEPER? SNAPHAT? (battery and crystal)
TIMEKEEPER SNAPHAT (battery and crystal)
|
STMicroelectronics
|
| M48T212V M48T212V-70MH1 M48T212V-70MH1TR M48T212V- |
5V/3.3V TIMEKEEPER[ CONTROLLER
|
STMicroelectronics
ST Microelectronics
|
