M48T08 Datasheet PDF

● 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 a month, at 25 °C

● Automatic power-fail chip deselect and WRITE protection

● WRITE protect VPFD= power-fail deselect voltage):

● M48T08: VCC= 4.75 to 5.5 V; 4.5 V ≤ VPFD≤ 4.75 V

● M48T18/T08Y: VCC= 4.5 to 5.5 V; 4.2 V ≤ VPFD≤ 4.5 V

● Software controlled clock calibration for high accuracy applications

● 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 top which contains the battery and crystal

● Pin and function compatible with DS1643 and JEDEC standard 8 K x 8 SRAMs

● RoHS compliant

● Lead-free second level interconnect