4256BWP datasheet(38/39 Pages) STMICROELECTRONICS

38 / 39 page

– M24256-125 datasheet for automotive products (range 3),

– M24256-BW M24256-BR M24256-BF M24256-DR M24256-DF (this

datasheet) for standard products (range 6).

– Reference M24256-DF

– Table 1: Signal names, Table 12: Memory cell data retention

– Table 16: 400 kHz AC characteristics and Table 17: 1 MHz AC

characteristics: added set up and hold timing conditiions on WC (tWLDL

and tDHWH)

– Figure 18: M24256-DFCS6TP/K, WLCSP 8-bump wafer-level chip

scale package outline and Table 21: M24256-DFCS6TP/K, WLCSP 8-

bump wafer-level chip scale package mechanical data

– Cycling and data retention limits

– UFDFPN8, package revision MB

Revision history

M24256-BW M24256-BR M24256-BF M24256-DR M24256-DF

38/39

DocID6757 Rev 31

Revision history

Table 23. Document revision history

Date

Revision

Changes

22-Jun-2012

Datasheet revision 25 split into:

Added:

Updated:

Deleted:

01-Aug-2012

Updated Figure 3: WLCSP connections for the M24256-DFCS6TP/K (top

view, marking side, with balls on the underside) and Figure 18: M24256-

DFCS6TP/K, WLCSP 8-bump wafer-level chip scale package outline.

18-Sep-2012

Changed title of Figure 3: WLCSP connections for the M24256-

DFCS6TP/K (top view, marking side, with balls on the underside).

Updated Section 5.2.2: Current Address Read.

20-Nov-2012

Corrected “Device family” data in Table 22: Ordering information scheme.

17-Dec-2012

Deleted note (3) under Table 2: Device select code.

Modified ICCO condition in Table 14: DC characteristics (M24256-BR,

M24256-DR, device grade 6).

Deleted incorrect table (Table 15. DC characteristics (M24256-R, device

grade 6)).

Updated package list in Table 22: Ordering information scheme.

21-Feb-2014

Updated Figure 3: WLCSP connections for the M24256-DFCS6TP/K (top

view, marking side, with balls on the underside) and Figure 14: WLCSP

connections for M24M01 DFCS6TP/K (top view, marking side, with balls

on the underside)

Added notes 4. and 5. in Table 13 and notes 5. and 6. in Table 14 and

Table 15

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