34LC02-I/P Microchip Technology, 34LC02-I/P Datasheet - Page 13
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34LC02-I/P
Manufacturer Part Number
34LC02-I/P
Description
IC EEPROM 2KBIT 1MHZ 8DIP
Manufacturer
Microchip Technology
Specifications of 34LC02-I/P
Memory Size
2K (256 x 8)
Package / Case
8-DIP (0.300", 7.62mm)
Format - Memory
EEPROMs - Serial
Memory Type
EEPROM
Speed
1MHz
Interface
I²C, 2-Wire Serial
Voltage - Supply
2.2 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Organization
256 K x 8
Interface Type
I2C
Maximum Clock Frequency
1 MHz
Access Time
400 ns
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.2 V
Maximum Operating Current
3 mA
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Minimum Operating Temperature
- 40 C
Operating Supply Voltage
2.5 V, 3.3 V, 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:
34LC02-I/P
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
TABLE 7-1:
TABLE 7-2:
TABLE 7-3:
© 2008 Microchip Technology Inc.
1.
2.
Permanently Protected
Protected with SWP
A0 is used to detect V
B3, B2 and B1 are compared to the A2, A1 and A0 external pins, respectively on the 34XX02.
Not Protected
Permanently Protected
Protected with SWP
Status
Read CSWP
Read PSWP
Read SWP
Not protected
CSWP
PSWP
SWP
Status
SOFTWARE WRITE PROTECTION INSTRUCTION SET WP = 0
ACKNOWLEDGE TABLE FOR WRITE OR WRITE PROTECTION WITH R/W = 0
ACKNOWLEDGE TABLE FOR WRITE OR WRITE PROTECTION WITH R/W = 1
Protect
HV
Write-
x
0
1
0
1
for the SWP and CSWP commands.
V
V
V
V
A2
A2
A2
WRITE in lower 128
WRITE in lower 128
PSWP, SWP, or CSWP
PSWP, SWP, or CSWP
SS
SS
SS
SS
PSWP, SWP, CSWP
Address Pins
PAGE or BYTE
PAGE or BYTE
PAGE or BYTE
PAGE or BYTE
PAGE or BYTE
Instruction
V
V
WRITE
WRITE
WRITE
V
V
A1
A1
A1
bytes
CSWP
PSWP
bytes
CSWP
PSWP
SWP
SWP
CC
CC
SS
SS
PSWP, SWP, CSWP
PSWP, SWP, CSWP
Instruction
V
V
V
V
A0
A0
A0
HV
HV
HV
HV
CSWP
PSWP
SWP
Device Type Identifier
ACK
Ack
Ack
Ack
Ack
Ack
Ack
Ack
Ack
Ack
Ack
Ack
Ack
Ack
Ack
No
No
No
B7
0
0
0
0
0
0
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
B6
Address
Address
Address
Address
Address
Address
1
1
1
1
1
1
B5
1
1
1
1
1
1
34AA02/34LC02
B4
0
0
0
0
0
0
ACK
Ack
Ack
Ack
Ack
Ack
Ack
Ack
Ack
Ack
Ack
Ack
Ack
Ack
Ack
No
No
No
B3
A2
A2
0
0
0
0
Don’t Care No Ack
Don’t Care No Ack
Don’t Care
Don’t Care
Don’t Care No Ack
Don’t Care No Ack
Don’t Care No Ack
Don’t Care
Don’t Care No Ack
Data Byte
Chip Select Bits
Address
Data
Data
Data
Data
No Ack
No Ack
B2
A1
A1
0
1
0
1
ACK
Ack
Ack
Ack
No Ack
No Ack
No Ack
No Ack
DS22029D-page 13
ACK
Ack
Ack
Ack
Ack
B1
A0
A0
1
1
1
1
Cycle
Write
R/W
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
B0
0
0
0
1
1
1