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M48T128V

ST Microelectronics
Part Number M48T128V
Manufacturer ST Microelectronics
Description 1 Mbit (128 Kb x 8) TIMEKEEPER SRAM
Published Apr 29, 2005
Detailed Description M48T128Y M48T128V* 5.0 or 3.3V, 1 Mbit (128 Kb x 8) TIMEKEEPER® SRAM FEATURES SUMMARY ■ INTEGRATED, ULTRA LOW POWER SRA...
Datasheet PDF File M48T128V PDF File

M48T128V
M48T128V

Overview
M48T128Y M48T128V* 5.
0 or 3.
3V, 1 Mbit (128 Kb x 8) TIMEKEEPER® SRAM FEATURES SUMMARY ■ INTEGRATED, ULTRA LOW POWER SRAM, REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT, BATTERY, AND CRYSTAL ■ BCD CODED YEAR, MONTH, DAY, DATE, HOURS, MINUTES, AND SECONDS ■ AUTOMATIC POWER-FAIL CHIP DESELECT AND WRITE PROTECTION ■ WRITE PROTECT VOLTAGES (VPFD = Power-fail Deselect Voltage): – M48T128Y: VCC = 4.
5 to 5.
5V 4.
1V ≤ VPFD ≤ 4.
5V – M48T128V*: VCC = 3.
0 to 3.
6V 2.
7V ≤ VPFD ≤ 3.
0V ■ CONVENTIONAL SRAM OPERATION; UNLIMITED WRITE CYCLES ■ SOFTWARE CONTROLLED CLOCK CALIBRATION FOR HIGH ACCURACY APPLICATIONS ■ 10 YEARS OF DATA RETENTION AND CLOCK OPERATION IN THE ABSENCE OF POWER ■ SELF-CONTAINED BATTERY AND CRYSTAL IN THE DIP PACKAGE ■ PIN AND FUNCTION COMPATIBLE WITH JEDEC STANDARD 128K x 8 SRAMs Figure 1.
32-pin PMDIP Module 32 1 PMDIP32 (PM) Module * Contact local ST sales office for availability of 3.
3V version.
February 2005 1/22 M48T128Y, M48T128V* TABLE OF CONT...


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