M25P40 datasheet(51/53 Pages) STMICROELECTRONICS

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M25P40

Revision history

51/53

24-Oct-2005

7.0

50 MHz operation added (see Table 20: AC characteristics (50 MHz

operation, device grade 6, VCC min = 2.7 V)). All packages are

ECOPACK®. Blank option removed from under Plating technology in

Table 24: Ordering information scheme. MLP package renamed as

VFQFPN, silhouette and package mechanical drawing updated (see on

page 1 and Figure 27: VFQFPN8 (MLP8) 8-lead Very thin Fine pitch

Quad Flat Package No lead, 6 × 5 mm, package outline.

22-Dec-2005

8.0

Note 2 added below Figure 26 and note 1 added below Figure 27

tRES1 and tRES2 modified in Table 20: AC characteristics (50 MHz

operation, device grade 6, VCC min = 2.7 V).

Read Identification (RDID) added. Titles of Figure 27 and Table 23

corrected.

14-Apr-2006

The data contained in Table 11, Table 16 and Table 19 is no longer

preliminary data.

Figure 3: Bus Master and memory devices on the SPI bus modified and

Note 2 added.

40 MHz frequency condition modified for ICC3 in Table 14: DC

characteristics (device grade 3).

Table 16: Instruction times (device grade 3) shows preliminary data.

Condition changed for the Data Retention parameter in Table 11: Data

retention and endurance. VWI parameter for device grade 3 added to

Table 8: Power-up timing and VWI threshold.

SO8 package specifications updated (see Figure 26 and Table 22).

/X Process added to Table 24: Ordering information scheme.

05-Jun-2006

tRES1 and tRES2 parameter timings changed for devices produced with the

“X” process technology in Table 19 and Table 19.

SO8 Narrow package specifications updated (see Figure 26 and

Table 22).

18-Dec-2006

Hardware Write Protection feature added on page 1. Small text changes.

Section 2.7: VCC supply voltage and Section 2.8: VSS ground added.

Figure 3: Bus Master and memory devices on the SPI bus modified,

note 2 removed and replaced by explanatory paragraph.

WIP bit behavior specified at Power-up in Section 7: Power-up and

Power-down. TLEAD added to Table 9: Absolute maximum ratings and VIO

max modified.

VFQFPN8 package specifications updated (see Table 23 and Figure 27).

25-Jan-2007

VCC voltage range from W17 2007 is extended to 2.3 V to 3.6 V.

Table 21: AC characteristics (33 MHz operation, device grade 6, VCCmin

=2.3 V) added.

Table 18: Which AC characteristics to use? added. AC characteristics at

40 MHz removed.

Table 25.

Document revision history (continued)

Date

Revision

Changes

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