M440T513Y Datasheet, PDF (1/26 Pages) STMicroelectronics – 5.0V, 16 Mbit (512 Kbit x 32) TIMEKEEPER-R SRAM

M440T513Y
5.0V, 16 Mbit (512 Kbit x 32) TIMEKEEPER^® SRAM
FEATURES SUMMARY
■ 5.0V ± 10%
■ INTEGRATED ULTRA LOW POWER SRAM,
REAL TIME CLOCK, POWER-FAIL
CONTROL CIRCUIT, BATTERY, AND
CRYSTAL
■ PRECISION POWER MONITORING AND
POWER SWITCHING CIRCUITRY
■ AUTOMATIC WRITE-PROTECTION WHEN
V_CC IS OUT-OF-TOLERANCE
■ POWER-FAIL DESELECT VOLTAGE:
– V_CC = 4.5 to 5.5V; 4.0V ≤ V_PFD ≤ 4.5V
■ BATTERY LOW PIN (BL)
■ 5 YEARS OF DATA RETENTION AND
CLOCK OPERATION IN THE ABSENCE OF
POWER @ 45°C
■ DUAL-BATTERY SNAPHAT^® HOUSING IS
REPLACEABLE
■ 85ns SRAM CHIP ENABLE ACCESS (70ns
ADDRESS ACCESS)
■ SLEEP MODE FUNCTION
■ 150ns CLOCK ACCESS
Figure 1. Package
M440T513Y
168-ball PBGA
Module
October 2004
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