STMicroelectronics M41T256Y
256 Kbit 32K x8 SERIAL RTC
- Min Voltage : 4.5V
- Max Voltage : 5.5V
- Max Operating Temp : 70°C
- Min Operating Temp : -25°C
Source:
Octopart
| Part No. | M41T256Y |
|---|---|
| Datasheet | M41T256Y Download |
| Manufacturer |  STMicroelectronics |
| Description | 256 Kbit 32K x8 SERIAL RTC |
| Buy | Stock & Price |
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● 5V OPERATING VOLTAGE SERIAL INTERFACE SUPPORTS EXTENDED I2C BUS ADDRESSING (400kHz) AUTOMATIC SWITCH-OVER AND DESELECT CIRCUITRY POWER-FAIL DESELECT VOLTAGES: – M41T256Y: VCC = 4.5 to 5.5V; VPFD = 4.2 < VPFD < 4.5V COUNTERS FOR TENTHS/HUNDREDTHS OF SECONDS, SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, and YEAR PROGRAMMABLE SOFTWARE CLOCK CALIBRATION 32,752 BYTES OF GENERAL PURPOSE RAM MICROPROCESSOR POWER-ON RESET HOLDS MICROPROCESSOR IN RESET UNTIL SUPPLY VOLTAGE REACHES STABLE OPERATING LEVEL AUTOMATIC ADDRESS-INCREMENTING TAMPER INDICATION CIRCUIT WITH TIMESTAMP SLEEP MODE FUNCTION PACKAGING INCLUDES A 44-LEAD SOIC AND SNAPHAT® TOP (to be ordered separately) SOIC PACKAGE PROVIDES DIRECT CONNECTION FOR A SNAPHAT® TOP WHICH CONTAINS THE BATTERY AND CRYSTAL Figure 1. 44-pin, Hatless SOIC Package 44 1 SO44 (MT) Figure 2. 44-pin SOIC Package SNAPHAT (SH) Crystal/Battery 44 1 SOH44 (MH) June 2004 1/27 M41T256Y TABLE OF CONTENTS
FEATURES
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