M95128 datasheet(6/44 Pages) STMICROELECTRONICS

Part #	M95128

Description	128 Kbit serial SPI bus EEPROM with high speed clock

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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Description

M95128, M95128-W, M95128-R

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Doc ID 5798 Rev 13

1

Description

The M95128, M95128-W and M95128-R are electrically erasable programmable memory

(EEPROM) devices accessed by a high speed SPI-compatible bus. The memory array is

organized as 16384 × 8 bits.

The device is accessed by a simple serial interface that is SPI-compatible. The bus signals

are C, D and Q, as shown in Table 1 and Figure 1.

The device is selected when Chip Select (S) is taken low. Communications with the device

can be interrupted using Hold (HOLD).

Figure 1.

Logic diagram

Figure 2.

SO, UFDFPN and TSSOP connections

1.

See Section 10: Package mechanical data for package dimensions, and how to identify pin-1.

AI12805

S

VCC

M95128

HOLD

VSS

W

Q

C

D

VSS

C

HOLD

Q

SVCC

W

AI12806

M95128

1

2

3

4

8

7

6

5

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