M95256-R datasheet(46/51 Pages) STMICROELECTRONICS

46 / 51 page

Date

Revision

Changes

06-Mar-2017

Removed obsolete product M95256-DR.

Updated Features, Section 1: Description and Section 6: Instructions.

Updated Figure 1: Logic diagram, Figure 3: WLCSP connections (top view, marking side, with bumps on the

underside), Figure 4: Block diagram, Figure 6: SPI modes supported, Figure 8: Write Enable (WREN) sequence and

Figure 9: Write Disable (WRDI) sequence.

Updated Table 1: Signal names, tables in Section 6: Instructions and Table 11: AC measurement conditions.

Updated footnote 2 of Table 7: Absolute maximum ratings and added footnote 6 to Table 15: DC characteristics

(M95256-W, device grade 6).

Updated Section 10: Package information and its subsections.

28-Sep-2021

Added:

•

Table 2. Signals versus bump position

Updated:

•

Section 1 Description

•

Figure 4. Block diagram

•

Section 4 Connecting to the SPI bus

•

Figure 5. Bus master and memory devices on the SPI bus

•

Figure 16. Write Identification page sequence

•

Table 15. Capacitance

•

Table 19. AC characteristics

•

Section 11 Ordering information

Deleted:

•

Table 19. AC characteristics (M95256-W, device grade 6)

•

Table 20. AC characteristics (M95256-R, device grade 6)

M95256-W M95256-R M95256-DF

DS4712 - Rev 22

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