Product Summary

The DS1497 is a RAMified Real Time Clock.


Parametrics

DS1497 absolute maximum ratings:(1)Periodic: 122 ms to 500 ms.

Features

DS1497 features: (1)Ideal for EISA bus PCs; (2)Functionally compatible with MC146818 in 32 KHz mode; (3)Totally nonvolatile with over 10 years of operation in the absence of power; (4)Self-contained subsystem includes lithium, quartz, and support circuitry; (5)Counts seconds, minutes, hours, day of the week, date, month, and year with leap year compensation; (6)Binary or BCD representations of time, calendar, and alarm; (7)12- or 24-hour clock with AM and PM in 12-hour mode; (8)Daylight Savings Time option.

Diagrams

DS1497 pin connection

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
DS1497
DS1497

Other


Data Sheet

Negotiable 
Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
DS1401
DS1401

Other


Data Sheet

Negotiable 
DS1401/NO-BRAND
DS1401/NO-BRAND

Maxim Integrated Products

iButton Accessories

Data Sheet

Negotiable 
DS1401-4
DS1401-4

Maxim Integrated Products

iButton Accessories

Data Sheet

Negotiable 
DS1401-4+
DS1401-4+

Maxim Integrated Products

iButton Accessories Front Panel iButton Holder

Data Sheet

0-1: $10.73
1-25: $8.26
25-100: $7.36
DS1402-BB3
DS1402-BB3

Maxim Integrated Products

Cables (Cable Assemblies)

Data Sheet

Negotiable 
DS1402-BP3
DS1402-BP3

Maxim Integrated Products

Cables (Cable Assemblies)

Data Sheet

Negotiable