M48T35Y-70PC1 STMicroelectronics - Часы реального времени, SRAM 256Кб, PCDIP-28

All lithium (primary and rechargeable) batteries are subject to various transportation regulations. Learn More The M48T35Y-70PC1 is a 70 ns 32 Kbit x 8 non-volatile static Timekeeper RAM. It is non-volatile pin and function equivalent to any JEDEC standard 32 Kb x 8 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 Frequency test output for real-time clock Automatic power-fail chip deselect and WRITE protection WRITE protect voltages VPFD= power-fail deselect voltage): M48T35: VCC= 4.75 to 5.5 V; 4.5 V ≤ VPFD≤ 4.75 V M48T35Y: VCC= 4.5 to 5.5 V; 4.2 V ≤ VPFD≤ 4.5 V M48T35: VCC= 4.75 to 5.5 V; 4.5 V ≤ VPFD≤ 4.75 V M48T35Y: VCC= 4.5 to 5.5 V; 4.2 V ≤ VPFD≤ 4.5 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 Kb x 8 SRAMs RoHS compliant Lead-free second level interconnect???????? Lead-free second level interconnect???????? ????????