93LC66-I/P Microchip Technology, 93LC66-I/P Datasheet - Page 5

• Manufacturer Part Number: 93LC66-I/P
• Description: IC EEPROM 4KBIT 2MHZ 8DIP
• Manufacturer: Microchip Technology

Specifications of 93LC66-I/P

• Memory Size: 4K (512 x 8 or 256 x 16)
• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Speed: 1MHz, 2MHz
• Interface: Microwire, 3-Wire Serial
• Voltage - Supply: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-DIP (0.300", 7.62mm)
• Memory Configuration: 256 X 16 / 512 X 8
• Ic Interface Type: Microwire
• Clock Frequency: 2MHz
• Supply Voltage Range: 2.5V To 5.5V
• Memory Case Style: DIP
• No. Of Pins: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TABLE 1-5:
TABLE 1-6:
 2004 Microchip Technology Inc.
READ
EWEN
ERASE
ERAL
WRITE
WRAL
EWDS
READ
EWEN
ERASE
ERAL
WRITE
WRAL
EWDS
Instruction
Instruction
SB
SB
1
1
1
1
1
1
1
1
1
1
1
1
1
1
INSTRUCTION SET FOR 93LC66: ORG = 1 (X 16 ORGANIZATION)
INSTRUCTION SET FOR 93LC66: ORG = 0 (X 8 ORGANIZATION)
Opcode
Opcode
10
00
11
00
01
00
00
10
00
11
00
01
00
00
A7 A6 A5 A4 A3 A2 A1 A0
1 1 X X X X X X
A7 A6 A5 A4 A3 A2 A1 A0
1 0 X X X X X X
A7 A6 A5 A4 A3 A2 A1 A0
0 1 X X X X X X
0 0 X X X X X X
A8 A7 A6 A5 A4 A3 A2 A1 A0
1 1 X X X X X X X
A8 A7 A6 A5 A4 A3 A2 A1 A0
1 0 X X X X X X X
A8 A7 A6 A5 A4 A3 A2 A1 A0
0 1 X X X X X X X
0 0 X X X X X X X
Address
Address
D15 - D0
D15 - D0
Data In
Data In
D7 - D0
D7 - D0
—
—
—
—
—
—
—
—
—
—
93LC46/56/66
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
Data Out
Data Out
D15 - D0
D7 - D0
High-Z
High-Z
High-Z
High-Z
DS21712B-page 5
Req. CLK
Req. CLK
Cycles
Cycles
27
11
11
11
27
27
11
20
12
12
12
20
20
12