Datasheet > M41T94_06

M41T94_06

更新时间： 2024-09-24 04:42:47

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		时钟
页数	文件大小	规格书
40页	330K
描述
Serial Real Time Clock with 44Bytes NVRAM and Reset

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中文翻译

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M41T94_06 数据手册

M41T94

Serial Real Time Clock with 44Bytes NVRAM and Reset

Feature summary

■ Counters for tenths/hundredths of seconds,

seconds, minutes, hours, day, date, month,

year, and century

■ 32KHz crystal oscillator integrating load

capacitance (12.5pF) providing exceptional

oscillator stability and high crystal series

resistance operation

SO16 (MQ)

■ Serial peripheral interface (2MHz SPI)

■ Ultra-low battery supply current of 500nA (max)

■ 2.7 to 5.5V operating voltage

■ 2.5 to 5.5V oscillator operating voltage

■ Battery low Flag

SNAPHAT (SH)

Battery & Crystal

■ Automatic switch-over and deselect circuitry

■ 44 bytes of general purpose RAM

■ Programmable Alarm and interrupt function

(valid even during battery back-up mode)

■ Accurate programmable Watchdog timer (from

62.5ms to 128s)

■ Microprocessor power-on reset

■ Choice of power-fail deselect voltages

SOH28 (MH)

(V = 2.7 to 5.5V):

– THS = V ; 2.55V ≤V

≤2.70V

≤4.50V

PFD

– THS = V ; 4.20V ≤V

■ Packaging includes a 28-lead SOIC and

SNAPHAT TOP (to be ordered separately) or

16-lead SOIC

■ 28-lead SOIC package provides direct

connection for a SNAPHAT TOP which

contains the battery and crystal

August 2006

Rev 4

1/40

www.st.com

12 3 4 5 6 7...40

中文翻译

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M41T94_07	STMICROELECTRONICS	获取价格	Serial real-time clock with 44 bytes NVRAM and reset
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M41T94MH6E	STMICROELECTRONICS	获取价格	512 Bit 64 bit x8 SERIAL RTC SPI SRAM
M41T94MH6F	STMICROELECTRONICS	获取价格	512 Bit 64 bit x8 SERIAL RTC SPI SRAM
M41T94MH6TR	STMICROELECTRONICS	获取价格	512 Bit 64 bit x8 SERIAL RTC SPI SRAM
M41T94MQ	STMICROELECTRONICS	获取价格	512 Bit 64 bit x8 SERIAL RTC SPI SRAM
M41T94MQ6	STMICROELECTRONICS	获取价格	512 Bit 64 bit x8 SERIAL RTC SPI SRAM
M41T94MQ6E	STMICROELECTRONICS	获取价格	512 Bit 64 bit x8 SERIAL RTC SPI SRAM