M48T18-100PC TIMEKEEPER® NV-SRAM + RTC, 64 Kb (8 K x 8), 5 V, DIL-28

M48T08 , M48T08Y , M48T18 5 V, 64 Kbit (8 Kb 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 - 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