DS1321

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reserves the right to change the circuitry and specifications without notice at any time.

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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.

1.

2.

3.

4.

5.

6.

7.

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.

1.

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.

1.

Removed preliminary from title bar.

2.

a clarification.

The following represent the key differences between 12/12/97 and 6/12 version of the DS1321 data sheet.

Please review this summary carefully.

1.

Replace logo and clarify package types.

2.

Update ordering, soldering, and package information; add package thermal data.