Revision history M24512-x, M24256-Bx
34/37
9 Revision history
Table 25. 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. V
IL
(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 V
IO
(min) and
V
CC
(min) changed. Soldering temperature information clarified for RoHS
compliant devices. Device grade information clarified. AEC-Q100-002
compliance. V
IL
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 <Blue>Table 22., Ordering
information scheme).
Voltage range R (1.8V to 5.5V) also offered. Minor wording changes.
Z
L
Test Conditions modified in <Blue>Table 12., Input parameters and
Note 2. added.
I
CC
and I
CC1
values for V
CC
= 5.5V added to <Blue>Table 13., DC
characteristics (M24xxx-W).
Note added to <Blue>Table 13., DC characteristics (M24xxx-W).
Power On Reset paragraph specified.
t
W
max value modified in <Blue>Table 16., AC characteristics (M24xxx-W,
M24xxx-R, M24256-BF see Table 8, Table 9 Table 10 and Table 11) and
note 4 added. Plating technology changed in <Blue>Table 22., Ordering
information scheme.
Resistance and capacitance renamed in <Blue>Figure 6., M24xxx-HR –
Maximum R
bus
value versus bus parasitic capacitance (C
bus
) for an I
2
C
bus at maximum frequency f
C
= 1 MHz.
M24512-x, M24256-Bx Revision history
35/37
05-May-2006 5
Power On Reset paragraph replaced by Section 2.6: Supply voltage
(V
CC
). Figure 4: Device select code added.
ECC (error correction code) and write cycling added and specified at 1
Million cycles.
I
CC0
added and I
CC1
specified over the whole voltage range in Ta bl e 1 3
and Ta ble 1 4.
PDIP8 package removed. Packages are ECOPACK® compliant. Small
text changes.
16-Oct-2006 6
M24256-BW and M24256-BR part numbers added.
Section 3.9: ECC (error correction code) and write cycling updated.
I
CC
and I
CC1
modified in Table 14: DC characteristics (M24xxx-R and
M24xxx-HR).
t
W
modified in Table 16: AC characteristics (M24xxx-W, M24xxx-R,
M24256-BF see Table 8, Table 9 Table 10 and Table 11).
SO8Narrow package specifications updated (see Ta bl e 1 9 and
Figure 15). Blank option removed from below Plating technology in
Table 22: Ordering information scheme.
02-Jul-2007 7
Section 2.6: Supply voltage (V
CC
) modified.
Section 3.9: ECC (error correction code) and write cycling modified.
JEDEC standard and European directive references corrected below
Table 7: Absolute maximum ratings.
Rise/fall time conditions modified for I
CC
and V
IH
max modified in
Table 13: DC characteristics (M24xxx-W) and Table 14: DC
characteristics (M24xxx-R and M24xxx-HR)
Note 1 removed from Table 13: DC characteristics (M24xxx-W).
SO8W package specifications modified in Section 7: Package mechanical
data.
Table 23: Available M24256-Bx products (package, voltage range,
temperature grade) and Table 24: Available M24512-x products (package,
voltage range, temperature grade) added.
16-Oct-2007 8
Section 2.5: V
SS
ground added. Small text changes.
V
IO
max changed and Note 1 updated to latest standard revision in
Table 7: Absolute maximum ratings.
Note removed from Table 12: Input parameters.
V
IH
min and V
IL
max modified in Table 14: DC characteristics (M24xxx-R
and M24xxx-HR).
Removed t
CH1CH2
, t
CL1CL2
and t
DH1DH2
, and added t
XL1XL2
, t
DL1DL2
and
Note 2 in Table 16: AC characteristics (M24xxx-W, M24xxx-R, M24256-
BF see Table 8, Table 9 Table 10 and Table 11).
t
XH1XH2
, t
XL1XL2
and Note 2 added to Table 17: 1 MHz AC characteristics
(M24xxx-HR, see Table 9 and Table 11).
Figure 13: AC waveforms modified.
Package mechanical data inch values calculated from mm and rounded to
4 decimal digits (see Section 7: Package mechanical data).
Table 25. Document revision history (continued)
Date Revision Changes
Revision history M24512-x, M24256-Bx
36/37
14-Dec-2007 9
1 MHz frequency introduced (M24512-HR root part number).
Section 2.6.3: Device reset modified.
Figure 5: M24256-BF, M24xxx-R/W – Maximum R
bus
value versus bus
parasitic capacitance (C
bus
) for an I
2
C bus at maximum frequency f
C
=
400 kHz modified, Figure 6: M24xxx-HR – Maximum R
bus
value versus
bus parasitic capacitance (C
bus
) for an I
2
C bus at maximum frequency f
C
= 1 MHz added.
t
NS
moved from Ta ble 12 to Ta ble 16 . I
LO
test conditions modified in
Ta bl e 13 .
Table 14: DC characteristics (M24xxx-R and M24xxx-HR) and Ta b l e 1 7 : 1
MHz AC characteristics (M24xxx-HR, see Table 9 and Table 11) modified.
Small text changes.
27-Mar-2008 10
Small text changes. M24256-BHR root part number added.
Section 2.6.3: Device reset on page 9 updated.
Figure 6: M24xxx-HR – Maximum R
bus
value versus bus parasitic
capacitance (C
bus
) for an I
2
C bus at maximum frequency f
C
= 1 MHz on
page 10 updated.
Caution removed in Section 3.9: ECC (error correction code) and write
cycling.
22-Apr-2008 11
M24512-W and M24256-BW offered in the device grade 3 option
(automotive temperature range):
Table 8: Operating conditions (M24xxx-W),
Table 13: DC characteristics (M24xxx-W),
/AB Process letters added to Table 22: Ordering information scheme,
Table 23: Available M24256-Bx products (package, voltage range,
temperature grade) and
Table 24: Available M24512-x products (package, voltage range,
temperature grade) updated accordingly).
Small text changes.
22-Dec-2008 12
WLCSP package added (see Figure 3: WLCSP connections (top view,
marking side, with balls on the underside) and Section 7: Package
mechanical data).
21-Jan-2009 13
M24256-BF part number added (V
CC
= 1.7 V to 5.5 V voltage range
added, see Ta bl e 10, Table 15 , Ta bl e 1 6 and Ta bl e 2 3 ).
I
CC1
test conditions modified in Table 13: DC characteristics (M24xxx-W),
Table 14: DC characteristics (M24xxx-R and M24xxx-HR) and Table 15:
DC characteristics (M24256-BF).
Table 25. Document revision history (continued)
Date Revision Changes

M24512-HRMN6P

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
EEPROM 512Kb/256Kb EEPROM
Lifecycle:
New from this manufacturer.
Delivery:
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Payment:
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