Datasheet > M48T513YSH

M48T513YSH

更新时间： 2024-11-13 22:08:59

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		静态存储器
页数	文件大小	规格书
23页	146K
描述
3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM

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中文翻译

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数据手册

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M48T513YSH 数据手册

M48T513Y

M48T513V

3.3V-5V 4 Mbit (512Kb x8) TIMEKEEPER SRAM

■ INTEGRATED ULTRA LOW POWER SRAM,

REAL TIME CLOCK, POWER-FAIL CONTROL

CIRCUIT, BATTERY, and CRYSTAL

■ YEAR 2000 COMPLIANT

■ BCD CODED CENTURY, YEAR, MONTH,

DAY, DATE, HOURS, MINUTES, and

SECONDS

PMDIP32 (PM)

Module

■ BATTERY LOW WARNING FLAG

■ AUTOMATIC POWER-FAIL CHIP DESELECT

SNAPHAT (SH)

Battery

and WRITE PROTECTION

■ TWO WRITE PROTECT VOLTAGES:

= Power-fail Deselect Voltage)

PFD

– M48T513Y: 4.2V ≤ V

≤ 4.5V

≤ 3.0V

PFD

– M48T513V: 2.7V ≤ V

■ CONVENTIONAL SRAM OPERATION;

UNLIMITED WRITE CYCLES

■ SOFTWARE CONTROLLED CLOCK

CALIBRATION for HIGH ACCURACY

APPLICATIONS

TSOP II 32

(10 x 20mm)

SOH44

Surface Mount Chip Set Solution (CS)

■ 10 YEARS of DATA RETENTION and CLOCK

OPERATION in the ABSENCE of POWER

■ SELF CONTAINED BATTERY and CRYSTAL

Figure 1. Logic Diagram

in DIP PACKAGE

■ MICROPROCESSOR POWER-ON RESET

(Valid even during battery back-up mode)

■ PROGRAMMABLE ALARM OUTPUT ACTIVE

in BATTERY BACK-UP MODE

A0-A18

DQ0-DQ7

■ SURFACE MOUNT CHIP SET PACKAGING

INCLUDES a 44-PIN SOIC and a 32-LEAD

TSOP (SNAPHAT TOP TO BE ORDERED

SEPARATELY)

RST

M48T513Y

M48T513V

IRQ/FT

■ SOIC PACKAGE PROVIDES DIRECT

CONNECTION for a SNAPHAT TOP WHICH

CONTAINS the BATTERY and CRYSTAL

WDI

RSTIN

■ SNAPHAT HOUSING (BATTERY/CRYSTAL)

IS REPLACEABLE

AI02308

June 2000

1/23

12 3 4 5 6 7...23

中文翻译

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