M93S46 ST Microelectronics, M93S46 Datasheet - Page 6

• Manufacturer Part Number: M93S46
• Description: 4Kbit / 2Kbit and 1Kbit 16-bit wide MICROWIRE Serial Access EEPROM with Block Protection
• Manufacturer: ST Microelectronics

M93S66, M93S56, M93S46
Figure 4. READ, WRITE, WEN and WDS Sequences
Note: For the meanings of An, Xn, Qn and Dn, see Table 2 and Table 3.
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READ
WRITE
WRITE
ENABLE
PRE
S
Q
PRE
W
S
Q
W
S
D
D
PRE
D
1 1 0 An
1 0
1
CODE
CODE
CODE
OP
OP
0
OP
1
0
1
An
1
ADDR
ADDR
Xn X0
A0
A0
Qn
Dn
DATA OUT
DATA IN
WRITE
DISABLE
S
PRE
D
D0
Q0
BUSY
1
CODE
STATUS
CHECK
0
OP
0
0
0
READY
Xn X0
AI00889D