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M93C46-BN7T View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
M93C46-BN7T 16Kbit, 8Kbit, 4Kbit, 2Kbit and 1Kbit (8-bit or 16-bit wide) MICROWIRE® Serial Access EEPROM ST-Microelectronics
STMicroelectronics ST-Microelectronics
M93C46-BN7T Datasheet PDF : 31 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
M93C86, M93C76, M93C66, M93C56, M93C46
Table 6. Instruction Set for the M93C56 and M93C66
Instruc
tion
Description
Start
bit
Op-
Code
x8 Origination (ORG = 0)
x16 Origination (ORG = 1)
Address1,2
Data
Required
Clock Address1,3
Cycles
Data
Required
Clock
Cycles
READ
Read Data from
Memory
1
10
A8-A0 Q7-Q0
A7-A0 Q15-Q0
WRITE
Write Data to
Memory
1
01
A8-A0 D7-D0
20
A7-A0 D15-D0
27
EWEN Erase/Write Enable 1
00
1 1XXX
XXXX
12
11XX
XXXX
11
EWDS Erase/Write Disable 1
00
0 0XXX
XXXX
12
00XX
XXXX
11
ERASE Erase Byte or Word 1
11
A8-A0
12
A7-A0
11
ERAL Erase All Memory
1
00
1 0XXX
XXXX
12
10XX
XXXX
11
WRAL
Write All Memory
with same Data
1
00
0 1XXX
XXXX
D7-D0
20
01XX
XXXX
D15-D0
27
Note: 1. X = Dont Care bit.
2. Address bit A8 is not decoded by the M93C56.
3. Address bit A7 is not decoded by the M93C56.
Table 7. Instruction Set for the M93C76 and M93C86
x8 Origination (ORG = 0)
x16 Origination (ORG = 1)
Instruc
tion
Description
Start Op-
bit Code Address1,2
Data
Required
Clock Address1,3
Cycles
Data
Required
Clock
Cycles
READ
Read Data from
Memory
1
10
A10-A0 Q7-Q0
A9-A0 Q15-Q0
WRITE
Write Data to
Memory
1
01
A10-A0 D7-D0
22
A9-A0 D15-D0
29
EWEN Erase/Write Enable 1
00
11X XXXX
XXXX
14
11 XXXX
XXXX
13
EWDS Erase/Write Disable 1
00
00X XXXX
XXXX
14
00 XXXX
XXXX
13
ERASE Erase Byte or Word 1
11
A10-A0
14
A9-A0
13
ERAL Erase All Memory
1
00
10X XXXX
XXXX
14
10 XXXX
XXXX
13
WRAL
Write All Memory
with same Data
1
00
01X XXXX
XXXX
D7-D0
22
01 XXXX
XXXX
D15-D0
29
Note: 1. X = Dont Care bit.
2. Address bit A10 is not decoded by the M93C76.
3. Address bit A9 is not decoded by the M93C76.
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