Datasheet > M48T201Y-80MH1

M48T201Y-80MH1

更新时间： 2024-11-11 11:29:35

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
37页	313K
描述
5.0 or 3.3 V TIMEKEEPER? supervisor

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中文翻译

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数据手册

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M48T201Y-80MH1 数据手册

M48T201Y

M48T201V

5.0 or 3.3 V TIMEKEEPER^®supervisor

Features

■ Converts low power SRAM into NVRAMs

■ Year 2000 compliant

SNAPHAT (SH)

crystal/battery

■ Battery low flag

■ Integrated real time clock, power-fail control

circuit, battery and crystal

■ Watchdog timer

■ Choice of write protect voltages

= power-fail deselect voltage):

PFD

– M48T201Y: V = 4.5 to 5.5 V

4.1V ≤ V

≤ 4.5 V

PFD

– M48T201V: V = 3.0 to 3.6 V

2.7 V ≤ V

≤ 3.0 V

PFD

■ Microprocessor power-on reset (valid even

during battery backup mode)

■ Programmable alarm output active in the

battery backed-up mode

■ Packaging includes a 44-lead SOIC and

SOH44 (MH)

44-pin SOIC

SNAPHAT top (to be ordered separately)

■ SOIC package provides direct connection for a

SNAPHAT top which contains the battery and

crystal

■ RoHS compliant

– Lead-free second level interconnect

March 2009

Rev 7

1/37

www.st.com

12 3 4 5 6 7...37

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