93AA46 Datasheet, PDF (3/12 Pages) Microchip Technology – 1K/2K/4K 1.8V Microwire Serial EEPROM

93AA46/56/66
TABLE 1-3:
Instruction
READ
EWEN
ERASE
ERAL
WRITE
WRAL
EWDS
TABLE 1-4:
Instruction
READ
EWEN
ERASE
ERAL
WRITE
WRAL
EWDS
TABLE 1-5:
Instruction
READ
EWEN
ERASE
ERAL
WRITE
WRAL
EWDS
TABLE 1-6:
Instruction
READ
EWEN
ERASE
ERAL
WRITE
WRAL
EWDS
TABLE 1-7:
Instruction
READ
EWEN
ERASE
ERAL
WRITE
WRAL
EWDS
TABLE 1-8:
Instruction
READ
EWEN
ERASE
ERAL
WRITE
WRAL
EWDS
INSTRUCTION SET FOR 93AA46: ORG = 1 (X 16 ORGANIZATION)
SB
Opcode
1
10
1
00
1
11
1
00
1
01
1
00
1
00
Address
A5 A4 A3 A2 A1 A0
11XXXX
A5 A4 A3 A2 A1 A0
10XXXX
A5 A4 A3 A2 A1 A0
01XXXX
00XXXX
Data In
—
—
—
—
D15 - D0
D15 - D0
—
Data Out
D15 - D0
High-Z
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
High-Z
INSTRUCTION SET FOR 93AA46: ORG = 0 (X 8 ORGANIZATION)
SB
Opcode
1
10
1
00
1
11
1
00
1
01
1
00
1
00
Address
A6 A5 A4 A3 A2 A1 A0
11XXXXX
A6 A5 A4 A3 A2 A1 A0
10XXXXX
A6 A5 A4 A3 A2 A1 A0
01XXXXX
00XXXXX
Data In
—
—
—
—
D7 - D0
D7 - D0
—
Data Out
D7 - D0
High-Z
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
High-Z
INSTRUCTION SET FOR 93AA56: ORG = 1 (X 16 ORGANIZATION)
SB
Opcode
1
10
1
00
1
11
1
00
1
01
1
00
1
00
Address
X A6 A5 A4 A3 A2 A1 A0
11XXXXXX
X A6 A5 A4 A3 A2 A1 A0
10XXXXXX
X A6 A5 A4 A3 A2 A1 A0
01XXXXXX
00XXXXXX
Data In
—
—
—
—
D15 - D0
D15 - D0
—
Data Out
D15 - D0
High-Z
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
High-Z
INSTRUCTION SET FOR 93AA56: ORG = 0 (X 8 ORGANIZATION)
SB
Opcode
1
10
1
00
1
11
1
00
1
01
1
00
1
00
Address
X A7 A6 A5 A4 A3 A2 A1 A0
11XXXXXXX
X A7 A6 A5 A4 A3 A2 A1 A0
10XXXXXXX
X A7 A6 A5 A4 A3 A2 A1 A0
01XXXXXXX
00XXXXXXX
Data In
—
—
—
—
D7 - D0
D7 - D0
—
Data Out
D7 - D0
High-Z
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
High-Z
INSTRUCTION SET FOR 93AA66: ORG = 1 (X 16 ORGANIZATION)
SB
Opcode
1
10
1
00
1
11
1
00
1
01
1
00
1
00
Address
A7 A6 A5 A4 A3 A2 A1 A0
11XXXXXX
A7 A6 A5 A4 A3 A2 A1 A0
10XXXXXX
A7 A6 A5 A4 A3 A2 A1 A0
01XXXXXX
00XXXXXX
Data In
—
—
—
—
D15 - D0
D15 - D0
—
Data Out
D15 - D0
High-Z
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
High-Z
INSTRUCTION SET FOR 93AA66: ORG = 0 (X 8 ORGANIZATION)
SB
Opcode
Address
1
10
A8 A7 A6 A5 A4 A3 A2 A1 A0
1
00
11XXXXXXX
1
11
A8 A7 A6 A5 A4 A3 A2 A1 A0
1
00
10XXXXXXX
1
01
A8 A7 A6 A5 A4 A3 A2 A1 A0
1
00
01XXXXXXX
1
00
00XXXXXXX
Data In
—
—
—
—
D7 - D0
D7 - D0
—
Data Out
D7 - D0
High-Z
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
High-Z
Req. CLK Cycles
25
9
9
9
25
25
9
Req. CLK Cycles
18
10
10
10
18
18
10
Req. CLK Cycles
27
11
11
11
27
27
11
Req. CLK Cycles
20
12
12
12
20
20
12
Req. CLK Cycles
27
11
11
11
27
27
11
Req. CLK Cycles
20
12
12
12
20
20
12
© 1996 Microchip Technology Inc.
DS20067G-page 3