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DS1557P-100中文资料Dallas数据手册PDF规格书

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厂商型号

DS1557P-100

功能描述

4MEG NV Y2KC Timekeeping RAM

文件大小

268.72 Kbytes

页面数量

19

生产厂商

Dallas

中文名称

达拉斯半导体公司

网址

网址

数据手册

下载地址一下载地址二到原厂下载

更新时间

2025-12-14 16:59:00

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DS1557P-100价格和库存,欢迎联系客服免费人工找货

DS1557P-100规格书详情

DESCRIPTION

The DS1557 is a full function, year 2000-compliant (Y2KC), real-time clock/calendar (RTC) with a RTC alarm, watchdog timer, power-on reset, battery monitor, and 512k x 8 non-volatile static RAM. User access to all registers within the DS1557 is accomplished with a bytewide interface as shown in Figure 1. The RTC Registers contain century, year, month, date, day, hours, minutes, and seconds data in 24-hour BCD format. Corrections for day of month and leap year are made automatically.

FEATURES

◾ Integrated NV SRAM, real time clock, crystal, power-fail control circuit and lithium energy source

◾ Clock registers are accessed identically to the static RAM; these registers are resident in the 16 top RAM locations

◾ Century byte register; i.e., Y2K complaint

◾ Totally nonvolatile with over 10 years of operation in the absence of power

◾ Precision power-on reset

◾ Programmable watchdog timer and RTC alarm

◾ BCD coded year, month, date, day, hours, minutes, and seconds with automatic leap year compensation valid up to the year 2100

◾ Battery voltage level indicator flag

◾ Power-fail write protection allows for ±10 VCC power supply tolerance

◾ Lithium energy source is electrically disconnected to retain freshness until power is applied for the first time

产品属性

  • 型号:

    DS1557P-100

  • 制造商:

    DALLAS

  • 制造商全称:

    Dallas Semiconductor

  • 功能描述:

    4MEG NV Y2KC Timekeeping RAM

供应商 型号 品牌 批号 封装 库存 备注 价格
DALLAS
2450+
Module
9485
只做原装正品现货或订货假一赔十!
询价
DALLAS
22+
PCM
8000
原装正品支持实单
询价
DALLAS
24+
SMD
885
询价
DALLAS
23+
DIP-8
5000
原装正品,假一罚十
询价
DALLAS
24+
34-PCM
9600
原装现货,优势供应,支持实单!
询价
MAXIM/美信
23+
PowerCap Module-34
5000
全新原装现货
询价
MAXIM(美信)
2447
Module
315000
一级代理专营品牌!原装正品,优势现货,长期排单到货
询价
Maxim Integrated
2022+
34-PowerCap 模块
38550
全新原装 支持表配单 中国著名电子元器件独立分销
询价
DALLAS
23+
PWRCP
65480
询价
DALLAS
23+
45916
##公司主营品牌长期供应100%原装现货可含税提供技术
询价