M93C-46BN6 STMICROELECTRONICS [STMicroelectronics], M93C-46BN6 Datasheet - Page 8

• Manufacturer Part Number: M93C-46BN6
• Description: 16Kbit, 8Kbit, 4Kbit, 2Kbit and 1Kbit (8-bit or 16-bit wide) MICROWIRE Serial Access EEPROM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M93C86, M93C76, M93C66, M93C56, M93C46
Table 6. Instruction Set for the M93C56 and M93C66
Note: 1. X = Don't Care bit.
Table 7. Instruction Set for the M93C76 and M93C86
Note: 1. X = Don't Care bit.
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Instruction
READ
WRITE
EWEN
EWDS
ERASE
ERAL
WRAL
Instruction
READ
WRITE
EWEN
EWDS
ERASE
ERAL
WRAL
2. Address bit A8 is not decoded by the M93C56.
3. Address bit A7 is not decoded by the M93C56.
2. Address bit A10 is not decoded by the M93C76.
3. Address bit A9 is not decoded by the M93C76.
Read Data from
Memory
Write Data to
Memory
Erase/Write Enable
Erase/Write Disable
Erase Byte or Word
Erase All Memory
Write All Memory
with same Data
Read Data from
Memory
Write Data to
Memory
Erase/Write Enable
Erase/Write Disable
Erase Byte or Word
Erase All Memory
Write All Memory
with same Data
Description
Description
Start
Start
bit
1
1
1
1
1
1
1
bit
1
1
1
1
1
1
1
Code
Code
Op-
10
01
00
00
11
00
00
Op-
10
01
00
00
11
00
00
Address
Address
11X XXXX
00X XXXX
10X XXXX
01X XXXX
1 1XXX
0 0XXX
1 0XXX
0 1XXX
A10-A0
A10-A0
A10-A0
A8-A0
A8-A0
A8-A0
XXXX
XXXX
XXXX
XXXX
x8 Origination (ORG = 0)
XXXX
XXXX
XXXX
XXXX
x8 Origination (ORG = 0)
(1,2)
(1,2)
Q7-Q0
Q7-Q0
D7-D0
D7-D0
D7-D0
D7-D0
Data
Data
Required
Required
Cycles
Cycles
Clock
Clock
20
12
12
12
12
20
22
14
14
14
14
22
Address
Address
11XX XXXX
00XX XXXX
10XX XXXX
01XX XXXX D15-D0
11 XXXX
00 XXXX
10 XXXX
01 XXXX
x16 Origination (ORG = 1)
x16 Origination (ORG = 1)
A7-A0
A7-A0
A7-A0
A9-A0
A9-A0
A9-A0
XXXX
XXXX
XXXX
XXXX
(1,3)
(1,3)
Q15-Q0
Q15-Q0
D15-D0
D15-D0
D15-D0
Data
Data
Required
Required
Cycles
Cycles
Clock
Clock
29
13
13
13
13
29
27
11
11
11
11
27