m24256-br STMicroelectronics, m24256-br Datasheet - Page 32

• Manufacturer Part Number: m24256-br
• Description: 512 Kbit And 256 Kbit Serial I2c Bus Eeprom With Three Chip Enable Lines
• Manufacturer: STMicroelectronics

Revision history
9
32/35
Revision history
Table 21.
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
1.1
1.2
1.3
1.4
1.5
1.6
2.0
3.0
4.0
LGA8 Package given the designator “LA”
LGA8 Package mechanical data updated
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
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
scheme).
Voltage range R (1.8V to 5.5V) also offered. Minor wording changes.
Z
Note
I
characteristics (M24xxx-W).
Note added to <Blue>Table 11., DC characteristics (M24xxx-W).
Power On Reset
t
M24xxx-R see Table 7, Table 8 and Table 9) and note 4 added. Plating
technology changed in <Blue>Table 18., Ordering information scheme.
Resistance and capacitance renamed in <Blue>Figure 5., Maximum Rbus
value versus bus parasitic capacitance (Cbus) for an I2C bus at maximum
frequency fC = 1 MHz.
CC
W
L
CC
max value modified in <Blue>Table 13., AC characteristics (M24xxx-W,
Test Conditions modified in <Blue>Table 10., Input parameters and
M24512-W, M24512-R, M24512-HR, M24256-BW, M24256-BR
and I
(min) changed. Soldering temperature information clarified for RoHS
2.
added.
CC1
values for V
IL
specification unified for SDA, SCL and WC
paragraph specified.
is FFh (not necessarily the same as Erased).
section and <Blue>Table 18., Ordering information
CC
= 5.5V added to <Blue>Table 11., DC
Changes
IL
(min) improved to –0.45V.
IO
(min) and