M93C56-125 STMICROELECTRONICS [STMicroelectronics], M93C56-125 Datasheet - Page 15

• Manufacturer Part Number: M93C56-125
• Description: Automotive 16-Kbit, 8-Kbit, 4-Kbit, 2-Kbit and 1-Kbit (8-bit or 16-bit wide) MICROWIRE serial EEPROM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M93C86-125 M93C76-125 M93C66-125 M93C56-125 M93C46-125
5.3
Figure 4.
1. For the meanings of An, Xn, Qn and Dn, see
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
status.
Read
Write
Write
Enable
READ, WRITE, WEN, WDS sequences
S
Q
S
S
Q
D
D
D
1 0
1
1 1 0 An
CODE
CODE
CODE
OP
0
OP
OP
1
0
1
An
1
ADDR
ADDR
Doc ID 022572 Rev 1
Xn X0
A0
A0
Qn
Dn
Table
4,
DATA OUT
Table 5
DATA IN
Write
Disable
and
Table
S
D
D0
Q0
6.
Section 6: READY/BUSY
BUSY
1
CODE
STATUS
CHECK
0
OP
0
0
0
READY
Xn X0
Instructions
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