M24256-DR datasheet(40/42 Pages) STMICROELECTRONICS

40 / 42 page

Revision history

M24256-BF, M24256-BR, M24256-BW, M24256-DR

40/42

Doc ID 6757 Rev 21

14-Dec-2007

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.

tNS moved from Table 12 to Table 16. ILO test conditions modified in

Table 13.

Table 14: DC characteristics (voltage range R) and Table 17: 1 MHz AC

characteristics modified. Small text changes.

27-Mar-2008

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

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

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

M24256-BF part number added (VCC = 1.7 V to 5.5 V voltage range

added, see Table 10, Table 15, Table 16 and Table 24).

ICC1 test conditions modified in Table 13: DC characteristics (voltage

range W), Table 14: DC characteristics (voltage range R) and Table 15:

DC characteristics (voltage range F).

05-Jun-2009

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.

tCLQX and tCLQV updated in Table 16, Note 5 and Note 8 added.

tCLQX and tCLQV updated in Table 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

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