ST93C66 Просмотр технического описания (PDF) - STMicroelectronics

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ST93C66

4K (256 X 16 OR 512 X 8) SERIAL MICROWIRE EEPROM

STMicroelectronics 

ST93C66, ST93C67

Figure 7. ERASE, ERAL Sequences

ERASE

S

D

Q

ERASE

S

ALL

D

Q

1 1 1 An A0

CHECK

STATUS

ADDR

OP

CODE

BUSY

READY

1 0 0 1 0 Xn X0

CHECK

STATUS

ADDR

OP

CODE

BUSY

READY

Notes: 1. An: n = 7 for x16 org. and 8 for x8 org.

2. Xn: n = 5 for x16 org. and 6 for x8 org.

Figure 8. WRAL Sequence

AI00879B

WRITE

S

ALL

D

Q

1 0 0 0 1 Xn X0 Dn

ADDR

OP

CODE

Note: 2. Xn: n = 5 for x16 org. and 6 for x8 org.

8/13

CHECK

STATUS

D0

DATA IN

BUSY

READY

AI00880C

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