M93C66-RMN6TP 查看數據表（PDF） - STMicroelectronics

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M93C66-RMN6TP

16 Kbit, 8 Kbit, 4 Kbit, 2 Kbit and 1 Kbit (8-bit or 16-bit wide) MICROWIRE® serial access EEPROM

STMicroelectronics 

M93C86, M93C76, M93C66, M93C56, M93C46

Figure 4. READ, WRITE, WEN, WDS sequences

Read

S

Instructions

D

1 1 0 An A0

Q

Write

S

D

Qn

Q0

ADDR

OP

CODE

DATA OUT

1 0 1 An A0 Dn

CHECK

STATUS

D0

Q

Write

S

Enable

D

ADDR

OP

CODE

1 0 0 1 1 Xn X0

DATA IN

BUSY

READY

Write

S

Disable

D

1 0 0 0 0 Xn X0

5.3

OP

CODE

1. For the meanings of An, Xn, Qn and Dn, see Table 5., Table 6. and Table 7..

OP

CODE

AI00878d

Erase Byte or Word

The Erase Byte or Word (ERASE) instruction sets the bits of the addressed memory byte (or

word) to 1. Once the address has been correctly decoded, the falling edge of the Chip

Select Input (S) starts the self-timed Erase cycle. The completion of the cycle can be

detected by monitoring the READY/BUSY line, as described in the READY/BUSY status

section.

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