DS2432 データシートの表示（PDF） - Maxim Integrated

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DS2432

1Kb Protected 1-Wire EEPROM with SHA-1 Engine

Maxim Integrated 

ABRIDGED DATA SHEET

DS2432

REVISION HISTORY

REVISION

DATE

DESCRIPTION

040907 Initial release.

Removed the leaded parts from the Ordering Information table and

corrected package name from µCSP to UCSPR.

Removed 64-Bit Registration Number from Overdrive Skip ROM in

Figure 2.

Removed reference to tamper detect register (does not exist).

060608

In Figure 8, changed “5µA typ” to “IL”.

In the DC Electrical Characteristics table, added the 1-Wire Pullup

Voltage parameter (VPUP) (moved from the headline into the table) and

removed the 1-Wire Output High parameter (VOH). In the EEPROM table,

added (at +85°C) to the Data Retention parameter.

Added Package Information section.

Minor nontechnical corrections to the text (various pages).

Electrical characteristics table: tRECMIN changed from 1µs to 5µs (regular

speed) and 2µs (overdrive speed); VILMAX changed from “TBD” to 0.3V;

SHA-1 computation current added.

UCSP package outline deleted; see section Package Information to access

2/10

the latest drawing.

Typo- and style corrections

Original Note 8 deleted from EC table notes and remaining notes

renumbered to conform to Style Guide.

Deleted DS2432X+ from the Ordering Information table.

Updated the soldering information and added the lead temperature to the Absolute

Maximum Ratings.

3/12

Added Note 12 to AC Electrical Characteristics: Regular Speed table parameters

tPDHIGH and tPDLOW.

Revised the electrical characteristics tables Note 7.

Added the land pattern column to the Package Information table.

PAGES

CHANGED

—

1

4

7

7

14

16

1, 2, 4, 8, 15

14, 15

16

Various

pages

14, 15

1

14

14

15

16

17 of 17

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses

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

Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600

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