DS1321 datasheet(12/12 Pages) DALLAS

Part #	DS1321

Description	Flexible Nonvolatile Controller with Lithium Battery Monitor

PDF	12 Pages

Scroll/Zoom	100%

Manufacturer	DALLAS [Dallas Semiconductor]

Direct Link	https://www.maximintegrated.com/en.html

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DS1321

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DATA SHEET REVISION SUMMARY

The following represent the key differences between 03/26/96 and 06/12/97 version of the DS1321 data

sheet. Please review this summary carefully.

Changed ICCO1 from 200 to 185 mA max

Changed ICCO2 from 350 to 260 mA max

Changed VBTP from 2.55 - 2.65V to 2.50 - 2.70V

Changed RIM from 1.0 typ to 1.2 M

W and 1.4 max to 1.5 MW

Changed tPD from 5 typ, 15 max to 12 typ, 20 max

Changed tRPO units from ns to

Changed block diagram to show U.L. compliance

The following represent the key differences between 06/12/97 and 09/29/97 version of the DS1321 data

sheet. Please review this summary carefully.

Changed AC test conditions

The following represent the key differences between 09/29/97 and 12/12/97 version of the DS1321 data

sheet. Please review this summary carefully.

Removed preliminary from title bar.

Specified which inputs and outputs are relevant for CIN and COUT specs. This is not a change, just

a clarification.

DS1321 Datasheet(PDF) 12 Page - Dallas Semiconductor