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M48T35AY-70MH6E View Datasheet(PDF) - STMicroelectronics

Part Name
Description
Manufacturer
M48T35AY-70MH6E
ST-Microelectronics
STMicroelectronics ST-Microelectronics
M48T35AY-70MH6E Datasheet PDF : 25 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
M48T35AY
M48T35AV
5.0 or 3.3V, 256 Kbit (32 Kb x8) TIMEKEEPER® SRAM
FEATURES SUMMARY
â–  INTEGRATED, ULTRA LOW POWER SRAM,
REAL TIME CLOCK, POWER-FAIL
CONTROL CIRCUIT AND BATTERY
â–  BYTEWIDEâ„¢ RAM-LIKE CLOCK ACCESS
â–  BCD CODED YEAR, MONTH, DAY, DATE,
HOURS, MINUTES, AND SECONDS
â–  BATTERY LOW FLAG (BOK)
â–  FREQUENCY TEST OUTPUT FOR REAL
TIME CLOCK
â–  AUTOMATIC POWER-FAIL CHIP
DESELECT AND WRITE PROTECTION
â–  WRITE PROTECT VOLTAGES
(VPFD = Power-fail Deselect Voltage):
– M48T35AY: VCC = 4.5 to 5.5V
4.2V ≤ VPFD ≤ 4.5V
– M48T35AV: VCC = 3.0 to 3.6V
2.7V ≤ VPFD ≤ 3.0V
â–  SELF-CONTAINED BATTERY AND
CRYSTAL IN THE CAPHATâ„¢ DIP
PACKAGE
â–  SOIC PACKAGE PROVIDES DIRECT
CONNECTION FOR A SNAPHAT®
HOUSING CONTAINING THE BATTERY
AND CRYSTAL
■ SNAPHAT® HOUSING (BATTERY AND
CRYSTAL) IS REPLACEABLE
â–  PIN AND FUNCTION COMPATIBLE WITH
JEDEC STANDARD 32Kb x8 SRAMs
Figure 1. 28-pin, PCDIP CAPHATâ„¢ Package
28
1
PCDIP28 (PC)
Battery/Crystal
CAPHAT
Figure 2. 28-pin SOIC Package
SNAPHAT (SH)
Battery/Crystal
28
1
SOH28 (MH)
April 2004
1/25
 

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