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Part Number
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M41T93 |
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Manufacturer
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ST Microelectronics |
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Description
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Serial SPI bus RTC |
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Published
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Mar 19, 2007 |
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Detailed Description
|
www.DataSheet4U.com
M41T93
Serial SPI bus RTC with battery switchover
Preliminary Data
Feature summary
■ ■ ■
2.0 to 5...
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|
Datasheet
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M41T93
|
Overview
www.
DataSheet4U.
com
M41T93
Serial SPI bus RTC with battery switchover
Preliminary Data
Feature summary
■ ■ ■
2.
0 to 5.
5V clock operating voltage Ultra-low battery supply current of 365nA Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century Programmable clock calibration (analog and digital)
18
QFN16, 4mm x 4mm (QA)
■ ■
Automatic switch-over and reset output circuitry (fixed reference) – M41T93S: VCC = 3.
0V to 5.
5V (2.
85V ≤VRST ≤3.
00V) – M41T93R: VCC = 2.
7V to 5.
5V (2.
55V ≤VRST ≤2.
70V) – M41T93Z: VCC = 2.
38V to 5.
50V (2.
25V ≤VRST ≤2.
38V) Compatible with SPI Bus serial interface (positive clock SPI modes) Programmable alarm with interrup...
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