M93S56 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

M93S56

4Kbit, 2Kbit and 1Kbit (16-bit wide) MICROWIRE Serial Access EEPROM with Block Protection

STMicroelectronics 

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Figure 7. PRCLEAR and PRDS Sequences

Protect

Register

CLEAR

PRE

W

M93S66, M93S56, M93S46

S

CHECK

STATUS

D

111

111

Q

Protect

Register

DISABLE

PRE

W

ADDR

OP

CODE

BUSY

READY

S

CHECK

STATUS

D

100

000

Q

ADDR

OP

CODE

BUSY

READY

Note: For the meanings of An, Xn and Dn, please see Table 2. and Table 3..

AI00892C

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