93AA46A_07 Datasheet, PDF (8/38 Pages) Microchip Technology – 1K-16K Microwire Compatible Serial EEPROMs

93XX46X/56X/66X/76X/86X
TABLE 2-5: INSTRUCTION SET FOR 93XX66A/B/C
Instruction SB Opcode
Address
Data In
Data Out
Req.
CLK
Cycles
93XX66B OR 93XX66C WITH ORG = 1 (16-BIT WORD ORGANIZATION)
ERASE
1
11
A7 A6 A5 A4 A3 A2 A1 A0 — (RDY/BSY) 11
ERAL
1
00
10xxxxxx
— (RDY/BSY) 11
EWDS
1
00
00xxxxxx
—
High-Z
11
EWEN
1
00
11xxxxxx
—
High-Z
11
READ
1
10
A7 A6 A5 A4 A3 A2 A1 A0 —
D15-D0
27
WRITE
1
01
A7 A6 A5 A4 A3 A2 A1 A0 D15-D0 (RDY/BSY) 27
WRAL
1
00
0 1 x x x x x x D15-D0 (RDY/BSY) 27
93XX66A OR 93XX66C WITH ORG = 0 (8-BIT WORD ORGANIZATION)
ERASE
1
11
A8 A7 A6 A5 A4 A3 A2 A1 A0 — (RDY/BSY) 12
ERAL
1
00
10xxxxxxx
— (RDY/BSY) 12
EWDS
1
00
00xxxxxxx
—
High-Z
12
EWEN
1
00
11xxxxxxx
—
High-Z
12
READ
1
10
A8 A7 A6 A5 A4 A3 A2 A1 A0 —
D7-D0
20
WRITE
1
01
A8 A7 A6 A5 A4 A3 A2 A1 A0 D7-D0 (RDY/BSY) 20
WRAL
1
00
0 1 x x x x x x x D7-D0 (RDY/BSY) 20
TABLE 2-6: INSTRUCTION SET FOR 93XX76A/B/C
Instruction SB Opcode
Address
Data In
Data Out
Req.
CLK
Cycles
93XX76B OR 93XX76C WITH ORG = 1 (16-BIT WORD ORGANIZATION)
ERASE
1
11
x A8 A7 A6 A5 A4 A3 A2 A1 A0 — (RDY/BSY) 13
ERAL
1
00
10x x x x x x x x
— (RDY/BSY) 13
EWDS
1
00
00x x x x x x x x
—
High-Z
13
EWEN
1
00
11x x x x x x x x
—
High-Z
13
READ
1
10
x A8 A7 A6 A5 A4 A3 A2 A1 A0 —
D15-D0
29
WRITE
1
01
x A8 A7 A6 A5 A4 A3 A2 A1 A0 D15-D0 (RDY/BSY) 29
WRAL
1
00
0 1 x x x x x x x x D15-D0 (RDY/BSY) 29
93XX76A OR 93XX76C WITH ORG = 0 (8-BIT WORD ORGANIZATION)
ERASE
1
11
x A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 — (RDY/BSY) 14
ERAL
1
00
1 0xxxxxxxxx
— (RDY/BSY) 14
EWDS
1
00
0 0xxxxxxxxx
—
High-Z
14
EWEN
1
00
1 1xxxxxxxxx
—
High-Z
14
READ
1
10
x A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 —
D7-D0
22
WRITE
1
01
x A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 D7-D0 (RDY/BSY) 22
WRAL
1
00
0 1 x x x x x x x x x D7-D0 (RDY/BSY) 22
DS21929D-page 8
© 2007 Microchip Technology Inc.