93LC46_12 Datasheet, PDF (5/20 Pages) Microchip Technology – 1K/2K/4K 2.5V Microwire Serial EEPROM

93LC46/56/66
TABLE 1-5: INSTRUCTION SET FOR 93LC66: ORG = 1 (X 16 ORGANIZATION)
Instruction SB
Opcode
Address
Data In
Data Out
READ
EWEN
ERASE
ERAL
WRITE
WRAL
EWDS
1
10
A7 A6 A5 A4 A3 A2 A1 A0
1
00
11XXXXXX
1
11
A7 A6 A5 A4 A3 A2 A1 A0
1
00
10XXXXXX
1
01
A7 A6 A5 A4 A3 A2 A1 A0
1
00
01XXXXXX
1
00
00XXXXXX
—
—
—
—
D15 - D0
D15 - D0
—
D15 - D0
High-Z
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
High-Z
Req. CLK
Cycles
27
11
11
11
27
27
11
TABLE 1-6: INSTRUCTION SET FOR 93LC66: ORG = 0 (X 8 ORGANIZATION)
Instruction SB
Opcode
Address
Data In
Data Out
READ
EWEN
ERASE
ERAL
WRITE
WRAL
EWDS
1
10
A8 A7 A6 A5 A4 A3 A2 A1 A0
—
D7 - D0
1
00
11XXXXXXX
—
High-Z
1
11
A8 A7 A6 A5 A4 A3 A2 A1 A0
—
(RDY/BSY)
1
00
10XXXXXXX
—
(RDY/BSY)
1
01
A8 A7 A6 A5 A4 A3 A2 A1 A0
D7 - D0 (RDY/BSY)
1
00
01XXXXXXX
D7 - D0 (RDY/BSY)
1
00
00XXXXXXX
—
High-Z
Req. CLK
Cycles
20
12
12
12
20
20
12
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DS21712C-page 5