93AA66C-I/SN Microchip Technology, 93AA66C-I/SN Datasheet - Page 4
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93AA66C-I/SN
Manufacturer Part Number
93AA66C-I/SN
Description
IC EEPROM 4KBIT 3MHZ 8SOIC
Manufacturer
Microchip Technology
Specifications of 93AA66C-I/SN
Memory Size
4K (512 x 8 or 256 x 16)
Package / Case
8-SOIC (3.9mm Width)
Operating Temperature
-40°C ~ 85°C
Format - Memory
EEPROMs - Serial
Memory Type
EEPROM
Speed
3MHz
Interface
Microwire, 3-Wire Serial
Voltage - Supply
1.8 V ~ 5.5 V
Organization
256 K x 16 or 512 x 8
Interface Type
2-Wire
Maximum Clock Frequency
1 MHz
Access Time
6 ms
Supply Voltage (max)
5.5 V
Supply Voltage (min)
1.8 V
Maximum Operating Current
2 mA
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Supply Voltage
1.8 V, 5.5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
93AA66C-I/SN
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
93AA66A/B/C, 93LC66A/B/C, 93C66A/B/C
FIGURE 1-1:
TABLE 1-3: INSTRUCTION SET FOR X 16 ORGANIZATION (93XX66B OR 93XX66C WITH ORG = 1)
TABLE 1-4: INSTRUCTION SET FOR X 8 ORGANIZATION (93XX66A OR 93XX66C WITH ORG = 0)
DS21795B-page 4
ERASE
ERAL
EWDS
EWEN
READ
WRITE
WRAL
ERASE
ERAL
EWDS
EWEN
READ
WRITE
WRAL
(PROGRAM)
Instruction
Instruction
Note:
(READ)
CLK
DO
DO
CS
DI
T
SV
V
V
V
V
V
V
V
V
V
V
OL
OH
OL
OH
SB
SB
IH
IH
IL
is relative to CS.
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
00
00
00
10
01
00
00
00
00
10
01
00
11
11
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/BSY)
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
Data Out
D15 – D0
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
2003 Microchip Technology Inc.
HIGH-Z
HIGH-Z
Data Out
D7 – D0
HIGH-Z
HIGH-Z
T
PD
Req. CLK Cycles
Req. CLK
Cycles
T
T
27
27
27
11
11
11
11
T
CZ
CZ
12
12
12
12
20
20
20
CSH