STMicroelectronics M48T58-70PC1

Description
The STM48T58M48T58Y5.0 is a 64 Kbit (8 Kb x 8) TIMEKEEPER® SRAM with integrated ultra-low power SRAM, real-time clock, power-fail control circuit, and battery. It features BYTEWIDE RAM-like clock access and BCD-coded year, month, day, date, hours, minutes, and seconds.

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
Frequency test output for real-time clock
Automatic power-fail chip deselect and WRITE protection
WRITE protect voltages (VPFD power-fail deselect voltage):
M48T58: Vcc = 4.75 to 5.5 V; 4.5 V ≤ VPFD ≤ 4.75 V
M48T58Y: Vcc = 4.5 to 5.5 V; 4.2 V ≤ VPFD ≤ 4.5 V
Self-contained battery and crystal in the CAPHAT DIP package
Packaging includes a 28-lead SOIC and SNAPHAT® top (to be ordered separately)
SOIC package provides direct connection for a snaphat housing containing the battery and crystal
Pin and function compatible with JEDEC standard 8 Kb x 8 SRAMS
RoHS compliant
Lead-free second level interconnect

Applications
Timekeeping and date stamping
Real-time clocks
Power-fail detection and protection
Battery-backed SRAM
Industrial and automotive applications