位置:M41ST85WSH > M41ST85WSH详情

M41ST85WSH中文资料

厂家型号

M41ST85WSH

文件大小

530.95Kbytes

页面数量

34

功能描述

5.0 OR 3.0V, 512 bit 64 x 8 SERIAL RTC and NVRAM SUPERVISOR

数据手册

下载地址一下载地址二到原厂下载

简称

STMICROELECTRONICS意法半导体

生产厂商

STMicroelectronics

中文名称

意法半导体集团官网

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M41ST85WSH数据手册规格书PDF详情

SUMMARY DESCRIPTION

The M41ST85Y/W Serial TIMEKEEPER®/Controller SRAM is a low power 512-bit, static CMOS SRAM organized as 64 words by 8 bits. A built-in 32.768 kHz oscillator (external crystal controlled) and 8 bytes of the SRAM (see Table 2., page 14) are used for the clock/calendar function and are configured in binary coded decimal (BCD) format.

FEATURES SUMMARY

■ 5.0 OR 3.0V OPERATING VOLTAGE

■ SERIAL INTERFACE SUPPORTS I2C BUS(400 KHz)

■ NVRAM SUPERVISOR FOR EXTERNAL LPSRAM

■ OPTIMIZED FOR MINIMAL INTERCONNECT TO MCU

■ 2.5 TO 5.5V OSCILLATOR OPERATING VOLTAGE

■ AUTOMATIC SWITCH-OVER AND DESELECT CIRCUITRY

■ CHOICE OF POWER-FAIL DESELECT VOLTAGES

– M41ST85Y: VCC= 4.5 to 5.5V; 4.20V ≤VPFD ≤4.50V

– M41ST85W: VCC= 2.7 to 3.6V; 2.55V ≤VPFD ≤2.70V

■ 1.25V REFERENCE (for PFI/PFO)

■ COUNTERS FOR TENTHS/HUNDREDTHS OF SECONDS, SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEAR, AND

CENTURY

■ 44 BYTES OF GENERAL PURPOSE RAM

■ PROGRAMMABLE ALARM AND INTERRUPT FUNCTION (VALID EVEN DURING BATTERY BACK-UP MODE)

■ WATCHDOG TIMER

■ MICROPROCESSOR POWER-ON RESET

■ BATTERY LOW FLAG

■ POWER-DOWN TIMESTAMP (HT BIT)

■ ULTRA-LOW BATTERY SUPPLY CURRENT OF 500nA (MAX)

■ PACKAGING INCLUDES A 28-LEAD SOIC AND SNAPHAT® TOP (to be ordered separately)

■ SOIC SNAPHAT PACKAGE PROVIDES DIRECT CONNECTION FOR A SNAPHAT TOP WHICH CONTAINS THE BATTERY

AND CRYSTAL

■ SOIC EMBEDDED CRYSTAL PACKAGE (MX) OPTION

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更新时间:2025-7-24 14:21:00
供应商 型号 品牌 批号 封装 库存 备注 价格
STMicroelectronics
25+
带 SNAPHAT 插座的 28-SOP(0.35
9350
独立分销商 公司只做原装 诚心经营 免费试样正品保证
STMicroelectronics
24+
28-SOH
35200
一级代理/放心采购
STM
20+
SOP-28
1001
就找我吧!--邀您体验愉快问购元件!
ST
22+
28SOH
9000
原厂渠道,现货配单
STM
23+
28-SOH
33500
原装正品现货库存QQ:2987726803
ST
23+
28SOH
8000
只做原装现货
ST
23+
SOP28
9526
ST
23+
SOP28
5000
原装正品,假一罚十
ST
2447
SOP28
100500
一级代理专营品牌!原装正品,优势现货,长期排单到货
ST
25+
SOP28
3200
全新原装、诚信经营、公司现货销售!

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STMicroelectronics 意法半导体集团

中文资料: 162819条

意法半导体 (STMicroelectronics) 成立于1987年,总部位于瑞士日内瓦和法国巴黎,是一家全球领先的半导体公司。意法半导体专注于设计、制造和销售各种半导体解决方案,产品广泛应用于汽车、工业、消费电子、通信等领域。 意法半导体的产品包括微控制器、模拟集成电路、功率半导体、传感器等。公司拥有多个研发中心和生产基地,致力于技术创新和研发投入。意法半导体在全球范围内拥有广泛的客户群和合作伙伴,为客户提供高品质的产品和解决方案。 公司的使命是通过半导体技术推动智能化和可持续发展,助力客户取得成功。意法半导体不仅注重商业成功,还注重社会责任、环境保护和可持续经营。企业价值观包括创新、尊重