| 制造商 | 部件名 | 数据表 | 功能描述 |
 STMicroelectronics |
M41ST85Y
|
530Kb / 34P |
5.0 OR 3.0V, 512 bit 64 x 8 SERIAL RTC and NVRAM SUPERVISOR
Sep-2004 |
|
M41T94
|
433Kb / 31P |
512 Bit 64 bit x8 SERIAL RTC SPI SRAM
Rev. 2.0 |
|
ST93C66
|
107Kb / 13P |
4K 256 x 16 or 512 x 8 SERIAL MICROWIRE EEPROM
Jul-1997 |
 Advanced Micro Devices |
AM27C512
|
168Kb / 12P |
512 Kilobit (64 K x 8-Bit) CMOS EPROM
|
 STMicroelectronics |
M41ST87W
|
733Kb / 42P |
5.0, 3.3, or 3.0V, 1280 bit (160 x8) Secure Serial RTC and NVRAM Supervisor with Tamper Detection
Mar-2006 |
|
M41ST95W
|
545Kb / 35P |
5.0 or 3.0V, 512 bit (64 bit X 8) Serial RTC (SPI) SRAM and NVRAM Supervisor
Sep-2004 |
|
M41ST84W
|
481Kb / 29P |
3.0/3.3V I2C Serial RTC with Supervisory Functions
Jan-2006 |
|
M41ST84W
|
302Kb / 34P |
3.0/3.3 V I2C serial RTC with 44 bytes of NVRAM and supervisory functions
28-Aug-2008 |
 Cypress Semiconductor |
CY14B512Q1
|
1Mb / 27P |
512-Kbit (64 K x 8) Serial (SPI) nvSRAM
|
|
CY14C512J
|
1Mb / 30P |
512-Kbit (64 K x 8) Serial (I2C) nvSRAM
|