M48T35AV

M48T35AV 3.3 V, 256 Kbit (32 Kbit x 8) TIMEKEEPER® SRAM 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 ■ Battery low flag (BOK) ■ Frequency test output for real-time clock ■ Automatic power-fail chip deselect and WRITE protection ■ WRITE protect voltage (VPFD = power-fail deselect voltage): – M48T35AV: VCC = 3.0 to 3.6 V; 2.7 V ≤ VPFD ≤ 3.0 V ■ Self-contained battery and crystal in the CAPHAT™ DIP package ■ SOIC package provides direct connection for a SNAPHAT® housing containing the battery and crystal ■ SNAPHAT® housing (battery and crystal) is replaceable ■ Pin and function compatible with JEDEC standard 32 Kbit x 8 SRAMs ■ RoHS compliant – Lead-free second level interconnect 28 1 PCDIP28 battery/crystal CAPHAT™ SNAPHAT® battery/crystal 28 1 SOH28 June 2011 Doc ID 6845 Rev 9 1/29 www.st....