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M93C56-RBN7 Datasheet(PDF) 8 Page - STMicroelectronics

Part # M93C56-RBN7
Description  16Kbit, 8Kbit, 4Kbit, 2Kbit and 1Kbit (8-bit or 16-bit wide) MICROWIRE Serial Access EEPROM
PDF  31 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M93C56-RBN7 Datasheet(HTML) 8 Page - STMicroelectronics

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M93C86, M93C76, M93C66, M93C56, M93C46
8/31
Table 6. Instruction Set for the M93C56 and M93C66
Note: 1. X = Don't 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
Note: 1. X = Don't Care bit.
2. Address bit A10 is not decoded by the M93C76.
3. Address bit A9 is not decoded by the M93C76.
Instruction
Description
Start
bit
Op-
Code
x8 Origination (ORG = 0)
x16 Origination (ORG = 1)
Address(1,2)
Data
Required
Clock
Cycles
Address(1,3)
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
100
0 1XXX
XXXX
D7-D0
20
01XX XXXX D15-D0
27
Instruction
Description
Start
bit
Op-
Code
x8 Origination (ORG = 0)
x16 Origination (ORG = 1)
Address(1,2)
Data
Required
Clock
Cycles
Address(1,3)
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
100
01X XXXX
XXXX
D7-D0
22
01 XXXX
XXXX
D15-D0
29



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