M24256-DR datasheet(38/42 Pages) STMICROELECTRONICS

38 / 42 page

Revision history

M24256-BF, M24256-BR, M24256-BW, M24256-DR

38/42

Doc ID 6757 Rev 21

Revision history

Table 26.

Document revision history

Date

Revision

Changes

29-Jan-2001

1.1

Lead Soldering Temperature in the Absolute Maximum Ratings table

amended

Write Cycle Polling Flow Chart using ACK illustration updated

LGA8 and SO8(wide) packages added

References to PSDIP8 changed to PDIP8, and Package Mechanical data

updated

10-Apr-2001

1.2

LGA8 Package Mechanical data and illustration updated

SO16 package removed

16-Jul-2001

1.3

LGA8 Package given the designator “LA”

02-Oct-2001

1.4

LGA8 Package mechanical data updated

13-Dec-2001

1.5

Document becomes Preliminary Data

Test conditions for ILI, ILO, ZL and ZH made more precise

VIL and VIH values unified. tNS value changed

12-Jun-2001

1.6

Document promoted to Full Datasheet

22-Oct-2003

2.0

Table of contents, and Pb-free options added. Minor wording changes in

Summary Description, Power-On Reset, Memory Addressing, Write

Operations, Read Operations. VIL(min) improved to –0.45V.

02-Sep-2004

3.0

LGA8 package is Not for New Design. 5V and -S supply ranges, and

Device Grade 5 removed. Absolute Maximum Ratings for VIO(min) and

VCC(min) changed. Soldering temperature information clarified for RoHS

compliant devices. Device grade information clarified. AEC-Q100-002

compliance. VIL specification unified for SDA, SCL and WC

22-Feb-2005

4.0

Initial delivery state is FFh (not necessarily the same as Erased).

LGA package removed, TSSOP8 and SO8N packages added (see

Package mechanical data section and Table 23: Ordering information

scheme).

Voltage range R (1.8V to 5.5V) also offered. Minor wording changes.

ZL Test Conditions modified in Table 12: Input parameters and Note 2

added.

ICC and ICC1 values for VCC = 5.5V added to Table 13: DC characteristics

(voltage range W).

Note added to Table 13: DC characteristics (voltage range W).

Power On Reset paragraph specified.

tW max value modified in Table 16: 400 kHz AC characteristics and note 4

added. Plating technology changed in Table 23: Ordering information

scheme.

Resistance and capacitance renamed in Figure 6.

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