Microchip Technology 93AA66BT-I/OT Memory IC SOT-23-6 93AA66BT-I/OT Data Sheet
Product codes
93AA66BT-I/OT
2003-2011 Microchip Technology Inc.
DS21795E-page 5
93AA66A/B/C, 93LC66A/B/C, 93C66A/B/C
FIGURE 1-1:
SYNCHRONOUS DATA TIMING
TABLE 1-3: INSTRUCTION SET FOR X16 ORGANIZATION (93XX66B OR 93XX66C WITH ORG = 1)
TABLE 1-4: INSTRUCTION SET FOR X8 ORGANIZATION (93XX66A OR 93XX66C WITH ORG = 0)
Instruction
SB
Opcode
Address
Data In
Data Out
Req. CLK Cycles
ERASE
1
11
A7 A6 A5 A4 A3 A2 A1 A0
—
(RDY/
BSY
)
11
ERAL
1
00
1
0
X
X
X
X
X
X
—
(RDY/
BSY
)
11
EWDS
1
00
0
0
X
X
X
X
X
X
—
High-Z
11
EWEN
1
00
1
1
X
X
X
X
X
X
—
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
Instruction
SB
Opcode
Address
Data In
Data Out
Req. CLK
Cycles
ERASE
1
11
A8 A7 A6 A5 A4 A3 A2 A1 A0
—
(RDY/
BSY
)
12
ERAL
1
00
1
0
X
X
X
X
X
X
X
—
(RDY/
BSY
)
12
EWDS
1
00
0
0
X
X
X
X
X
X
X
—
High-Z
12
EWEN
1
00
1
1
X
X
X
X
X
X
X
—
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
CS
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
OH
V
OL
V
OH
V
OL
CLK
DI
DO
(Read)
DO
(Program)
T
CSS
T
DIS
T
CKH
T
CKL
T
DIH
T
PD
T
CSH
T
PD
T
CZ
Status Valid
T
SV
T
CZ
Note: T
SV
is relative to CS.