
STMicroelectronics
3.0/3.3V I²C combination serial RTC, NVRAM supervisor and microprocessor supervisor

STMicroelectronics
5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM

STMicroelectronics
256Kbit (32K x 8) serial RTC

STMicroelectronics
Serial Real Time Clock with 56 bytes of NVRAM + 64 Kbit (8192 bit x 8) EEPROM

STMicroelectronics
512 bit (64 bit x8) Serial Access TIMEKEEPER® SRAM

STMicroelectronics
Serial real-time clock with audio

STMicroelectronics
5.0 or 3.0V, 512 bit (64 x 8) Serial RTC and NVRAM Supervisor

STMicroelectronics
512 bit (64 bit x8) Serial Access TIMEKEEPER® SRAM

STMicroelectronics
3.0/3.3V I²C combination serial RTC, NVRAM supervisor and microprocessor supervisor

STMicroelectronics
3.0/3.3 V I2C serial RTC with 44 bytes of NVRAM and supervisory functions

STMicroelectronics
5.0 or 3.0V, 512 bit (64 x 8) Serial RTC and NVRAM Supervisor

STMicroelectronics
Serial access real-time clock (RTC) with integral backup battery and crystal

STMicroelectronics
256 Kbit (32K x8) Serial RTC

STMicroelectronics
Serial real-time clock (RTC) with audio

STMicroelectronics
5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM

STMicroelectronics
3.0/3.3V I²C combination serial RTC, NVRAM supervisor and microprocessor supervisor

STMicroelectronics
5.0 or 3.0V, 512 bit (64 x 8) Serial RTC and NVRAM Supervisor