Datasheet > M48T08

M48T08

更新时间： 2024-09-24 22:30:39

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
27页	400K
描述
64 Kbit 8Kb x 8 TIMEKEEPER SRAM

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数据手册

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M48T08 数据手册

M48T08

M48T08Y, M48T18

5V, 64 Kbit (8 Kb x8) TIMEKEEPER SRAM

FEATURES SUMMARY

■

INTEGRATED ULTRA LOW POWER SRAM,

Figure 1. 28-pin PCDIP, CAPHAT™ Package

REAL TIME CLOCK, POWER-FAIL

CONTROL CIRCUIT, AND BATTERY

■

BYTEWIDE™ RAM-LIKE CLOCK ACCESS

BCD CODED YEAR, MONTH, DAY, DATE,

HOURS, MINUTES, and SECONDS

■

TYPICAL CLOCK ACCURACY OF ±1

MINUTE A MONTH, AT 25°C

AUTOMATIC POWER-FAIL CHIP

DESELECT AND WRITE PROTECTION

WRITE PROTECT VOLTAGES

PCDIP28 (PC)

Battery/Crystal

CAPHAT

–

= Power-fail Deselect Voltage):

PFD

M48T08: V = 4.75 to 5.5V

4.5V ≤ V

≤ 4.75V

PFD

–

M48T18/T08Y: V = 4.5 to 5.5V

Figure 2. 28-pin SOIC Package

4.2V ≤ V

≤ 4.5V

PFD

■

SOFTWARE CONTROLLED CLOCK

CALIBRATION FOR HIGH ACCURACY

APPLICATIONS

SELF-CONTAINED BATTERY AND

CRYSTAL IN THE CAPHAT™ DIP

PACKAGE

SNAPHAT (SH)

Battery/Crystal

PACKAGING INCLUDES A 28-LEAD SOIC

AND SNAPHAT TOP (to be ordered

separately)

SOIC PACKAGE PROVIDES DIRECT

CONNECTION FOR A SNAPHAT TOP

WHICH CONTAINS THE BATTERY AND

CRYSTAL

SOH28 (MH)

■

PIN AND FUNCTION COMPATIBLE WITH

DS1643 and JEDEC STANDARD 8K x8

SRAMs

April 2004

1/27

12 3 4 5 6 7...27

中文翻译

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