STMicroelectronics M48T18-150PC1

Description
The M48T08STM48T08Y, M48T185 V is a 64 Kbit (8 Kb x 8) TIMEKEEPER® SRAM that integrates an ultra-low power SRAM, real-time clock, power-fail control circuit, and battery. It features BYTEWIDE RAM-like clock access, BCD-coded time and date information, and a typical clock accuracy of 1 minute per month at 25 °C. The device also includes automatic power-fail chip deselect and WRITE protection, software-controlled clock calibration, and a self-contained battery and crystal in the CAPHAT DIP package.

Features
Integrated ultra-low power SRAM, real-time clock, power-fail control circuit, and battery
BYTEWIDE RAM-like clock access
BCD-coded year, month, day, date, hours, minutes, and seconds
Typical clock accuracy of 1 minute per month at 25 °C
Automatic power-fail chip deselect and WRITE protection
Software-controlled clock calibration for high-accuracy applications
Self-contained battery and crystal in the CAPHAT DIP package
Pin and function compatible with DS1643 and JEDEC standard 8 K x 8 SRAMS
RoHS compliant
Lead-free second level interconnect

Applications
Timekeeping and date stamping
Real-time clocks
Battery-backed SRAM
Industrial control
Medical devices
Consumer electronics