93C66C-E/MS Microchip Technology, 93C66C-E/MS Datasheet - Page 5

• Manufacturer Part Number: 93C66C-E/MS
• Description: IC EEPROM 4KBIT 3MHZ 8MSOP
• Manufacturer: Microchip Technology

Specifications of 93C66C-E/MS

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 4K (512 x 8 or 256 x 16)
• Speed: 3MHz
• Interface: Microwire, 3-Wire Serial
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 1-1:
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)
© 2008 Microchip Technology Inc.
ERASE
ERAL
EWDS
EWEN
READ
WRITE
WRAL
ERASE
ERAL
EWDS
EWEN
READ
WRITE
WRAL
Instruction
Instruction
(Program)
Note: T
(Read)
CLK
DO
DO
CS
93AA66A/B/C, 93LC66A/B/C, 93C66A/B/C
DI
SV
V
V
V
V
V
V
V
V
is relative to CS.
V
V
OL
SB
SB
OH
OL
OH
IH
IH
IL
IL
IH
1
1
1
1
1
1
1
1
1
1
1
1
1
1
IL
T
SYNCHRONOUS DATA TIMING
T
Opcode
Opcode
DIS
SV
11
00
00
00
10
01
00
11
00
00
00
10
01
00
T
CSS
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A7 A6 A5 A4 A3 A2 A1 A0
A7 A6 A5 A4 A3 A2 A1 A0
A7 A6 A5 A4 A3 A2 A1 A0
1
0
1
0
1
0
1
0
0
0
1
1
0
0
1
1
X
X
X
X
X
X
X
X
T
CKH
T
Address
X
X
X
X
T
Address
PD
X
X
X
X
DIH
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Status Valid
X
X
X
X
T
CKL
X
X
X
X
X
X
X
X
D15 – D0
D15 – D0
Data In
D7 – D0
D7 – D0
Data In
—
—
—
—
—
—
—
—
—
—
(RDY/
(RDY/
(RDY/
(RDY/
D15 – D0
Data Out
(RDY/
(RDY/
(RDY/
(RDY/
High-Z
High-Z
Data Out
D7 – D0
High-Z
High-Z
T
PD
BSY
BSY
BSY
BSY
BSY
BSY
BSY
BSY
)
)
)
)
)
)
)
)
Req. CLK Cycles
DS21795D-page 5
Req. CLK
Cycles
T
T
11
11
11
11
27
27
27
T
12
12
12
12
20
20
20
CZ
CZ
CSH