Datasheet
Revision history M24256-BF, M24256-BR, M24256-BW, M24256-DR
40/42 Doc ID 6757 Rev 21
14-Dec-2007 9
1 MHz frequency introduced (M24512-HR root part number).
Section 2.6.3: Device reset modified.
Figure 5: I2C Fast mode (fC = 400 kHz): maximum Rbus value versus bus
parasitic capacitance (Cbus) modified, Figure 6: I2C Fast mode Plus (fC =
1 MHz): maximum Rbus value versus bus parasitic capacitance (Cbus)
added.
t
NS
moved from Ta ble 12 to Ta bl e 16 . I
LO
test conditions modified in
Ta bl e 1 3 .
Table 14: DC characteristics (voltage range R) and Table 17: 1 MHz AC
characteristics 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: I2C Fast mode Plus (fC = 1 MHz): maximum Rbus value versus
bus parasitic capacitance (Cbus) on page 10 updated.
Caution removed in Section 3.11: 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 (voltage range W),
– Table 13: DC characteristics (voltage range W),
– /AB Process letters added to Table 23: Ordering information scheme,
– Table 24: Available M24256-BR, M24256-BW, M24256-BF products
(package, voltage range, temperature grade) and
– Table 26: 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 ble 16 and Ta ble 24).
I
CC1
test conditions modified in Table 13: DC characteristics (voltage
range W), Table 14: DC characteristics (voltage range R) and Tabl e 15:
DC characteristics (voltage range F).
05-Jun-2009 14
M24512-DR part number and Identification page feature added.
Command replaced by instruction in the whole document.
UFDFPN8 added.
Figure 6 updated.
Section 2.6.2: Power-up conditions and Section 2.6.3: Device reset
updated.
t
CLQX
and t
CLQV
updated in Table 1 6, Note 5 and Note 8 added.
t
CLQX
and t
CLQV
updated in Ta bl e 17, Note 6 and Note 9 added.
Section 8: Part numbering updated.
Reference to the SURE program removed in Section 5: Maximum rating.
Previous 1 MHz M24512-HR and M24512-BHR devices replaced by new
M24512-R and M24256-BR (process letter K).
Table 26. Document revision history (continued)
Date Revision Changes










