Maxim Integrated DS1642-85

Name: DS1642-85
Brand: Maxim Integrated
SKU: 3004807-DS1642-85
Availability: InStock
Rating: 5 (1 reviews)

Part Number:: DS1642-85

Manufacturer:: Maxim Integrated

Ventron No:: 3004807-DS1642-85

Description:: IC RTC CLK/CALENDAR PAR 24-EDIP

ECAD Model:

Datasheet:: DS1642-85

Overview

Description
The DS1642 is a nonvolatile timekeeping RAM that integrates an NV SRAM, real-time clock, crystal, power-fail control circuit, and lithium energy source. It features a standard JEDEC bytewide 2k x 8 static RAM pinout and provides access to clock registers identically to the static RAM. These registers reside in the eight top RAM locations.

Features
Integrated NV SRAM, real-time clock, crystal, power-fail control circuit, and lithium energy source
Standard JEDEC bytewide 2k x 8 static RAM pinout
Clock registers accessed identically to the static RAM
Totally nonvolatile with over 10 years of operation in the absence of power
Quartz accuracy ±1 minute a month at 25°C, factory calibrated
BCD-coded year, month, date, day, hours, minutes, and seconds with leap year compensation valid up to 2100
Access times of 85ns and 100ns
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
UL recognized

Applications
Timekeeping and date stamping
Industrial control and automation
Medical devices
Security systems
Point-of-sale terminals
Data loggers
Instrumentation

Specifications

Maxim Integrated DS1642-85 technical specifications, attributes, parameters and parts with similar specifications to Maxim Integrated DS1642-85 .