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Numéro de référence | M41T56SH | ||
Description | 512 bit 64b x8 Serial Access TIMEKEEPER SRAM | ||
Fabricant | ST Microelectronics | ||
Logo | |||
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M41T56
Serial Real Time Clock with 56 bytes NVRAM
Feature summary
■ Counters for seconds, minutes, hours, day,
date, month, years, and century
■ 32 KHz crystal oscillator integrating load
capacitance (12.5pF) providing exceptional
oscillator stability and high crystal series
resistance operation
■ Serial interface supports I2C Bus (400kHz
protocol)
■ Ultra-low battery supply current of 450nA
(typ@3V)
■ 5V ±10% supply voltage
■ Timekeeping down to 2.5V
■ Automatic power-fail detect and switch circuitry
■ 56 bytes of general purpose RAM
■ Software clock calibration to compensate
crystal deviation due to temperature
■ Automatic leap year compensation
■ Operating temperature of –40 to 85°C
■ Packaging options include:
– 28-lead SOIC and SNAPHAT® TOP (to be
ordered separately)
– SO8N
8
1
SO8N (M) 150mil width
SNAPHAT (SH) battery & crystal
28
1
SOH28 (MH)
October 2006
Rev 5
1/28
www.st.com
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Pages | Pages 28 | ||
Télécharger | [ M41T56SH ] |
No | Description détaillée | Fabricant |
M41T56SH | 512 bit 64b x8 Serial Access TIMEKEEPER SRAM | ST Microelectronics |
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