M440T513Y datasheet(1/26 Pages) STMICROELECTRONICS

Il numero della parte	M440T513Y

Spiegazioni elettronici	5.0V, 16 Mbit (512 Kbit x 32) TIMEKEEPER-R SRAM

PDF	26 Pages

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

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October 2004

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

VCC IS OUT-OF-TOLERANCE

■

POWER-FAIL DESELECT VOLTAGE:

–VCC = 4.5 to 5.5V; 4.0V ≤ VPFD ≤ 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

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