m24256-bw STMicroelectronics, m24256-bw Datasheet - Page 38

• Manufacturer Part Number: m24256-bw
• Description: 512 Kbit And 256 Kbit Serial I?c Bus Eeprom With Three Chip Enable Lines
• Manufacturer: STMicroelectronics

Revision history
9
38/41
Revision history
Table 28.
13-Dec-2001
02-Sep-2004
22-Feb-2005
29-Jan-2001
10-Apr-2001
02-Oct-2001
12-Jun-2001
22-Oct-2003
16-Jul-2001
Date
Document revision history
Revision
1.3
1.4
1.1
1.2
1.5
1.6
2.0
3.0
4.0
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
LGA8 Package Mechanical data and illustration updated
SO16 package removed
LGA8 Package given the designator “LA”
LGA8 Package mechanical data updated
Document becomes Preliminary Data
Test conditions for ILI, ILO, ZL and ZH made more precise
VIL and VIH values unified. tNS value changed
Document promoted to Full Datasheet
Table of contents, and Pb-free options added. Minor wording changes in
Summary Description, Power-On Reset, Memory Addressing, Write
Operations, Read Operations. V
LGA8 package is Not for New Design. 5V and -S supply ranges, and
Device Grade 5 removed. Absolute Maximum Ratings for V
V
compliant devices. Device grade information clarified. AEC-Q100-002
compliance. V
Initial delivery state
LGA package removed, TSSOP8 and SO8N packages added (see
Package mechanical data
scheme).
Voltage range R (1.8V to 5.5V) also offered. Minor wording changes.
Z
added.
I
(voltage range
Note added to
Power On Reset
t
Table 9, Table 10, Table 11 and Table 12)
technology changed in
Resistance and capacitance renamed in
CC
W
L
CC
Test Conditions modified in
max value modified in
and I
(min) changed. Soldering temperature information clarified for RoHS
Doc ID 6757 Rev 15
CC1
values for V
IL
Table 14: DC characteristics (voltage range
W).
specification unified for SDA, SCL and WC
paragraph specified.
is FFh (not necessarily the same as Erased).
Table 24: Ordering information
CC
Table 17: 400 kHz AC characteristics (see
section and
= 5.5V added to
Table 13: Input parameters
Changes
IL
(min) improved to –0.45V.
M24512-Dx, M24512-x, M24256-Bx
Table 24: Ordering information
Figure
and note 4 added. Plating
Table 14: DC characteristics
6.
scheme.
and Note
W).
IO
(min) and
2.