CAT34C02YI-GT3 CATALYST SEMICONDUCTOR, CAT34C02YI-GT3 Datasheet - Page 9

• Manufacturer Part Number: CAT34C02YI-GT3
• Description: IC, EEPROM, 2KBIT, SERIAL 400KHZ TSSOP-8
• Manufacturer: CATALYST SEMICONDUCTOR

Specifications of CAT34C02YI-GT3

• Memory Size: 2Kbit
• Memory Configuration: 2 BLK(256 X 8)
• Ic Interface Type: I2C
• Clock Frequency: 400kHz
• Supply Voltage Range: 1.7V To 5.5V
• Memory Case Style: TSSOP
• No. Of Pins: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 9. SWP COMMANDS
12. Here A
13. 1 stands for ‘Set’, 0 stands for ‘Not Set’, X stands for ‘don’t care’.
Action
PSWP
RSWP
RSWP
Clear
Set
Set
GND
GND GND
GND GND
2
V
V
V
WP
, A
X
X
X
X
X
X
X
CC
CC
CC
Control Pin Levels
1
and A
GND
GND
GND
GND
GND
GND
GND
(Note 12)
A
A
A
A
A
2
2
2
2
2
0
are either at V
GND
GND
GND
GND
GND
V
V
V
V
A
A
A
A
A
BUS ACTIVITY:
CC
CC
CC
CC
1
1
1
1
1
SDA LINE
MASTER
V
V
V
V
V
V
V
V
V
A
A
A
A
A
HV
HV
HV
HV
HV
HV
HV
HV
HV
0
0
0
0
0
CC
PSWP
or GND.
Flag State
(Note 13)
1
0
0
0
1
0
0
0
0
1
0
0
0
S
Figure 14. Software Write Protect (Write)
Figure 15. Software Write Protect (Read)
S
T
A
R
T
BUS ACTIVITY:
RSWP
ADDRESS
X
X
X
X
X
X
X
X
X
1
0
0
0
SLAVE
SDA LINE
MASTER
b
http://onsemi.com
7
0110
to b
Slave Address
4
A
C
K
S
S
T
A
R
T
X
9
b
A
A
A
A
X = Don’t Care
0
0
0
0
0
0
0
0
0
X X X X X X X
3
2
2
2
2
ADDRESS
ADDRESS
BYTE
A
A
A
A
SLAVE
b
0
0
0
0
0
1
1
1
1
1
1
1
1
2
A
A
A
A
b
1
1
1
1
1
1
1
1
1
1
0
0
0
0
C
A
K
b
X
X
X
X
0
0
1
0
0
1
0
0
1
or
0
A
C
K
X X X X X X X X
P
S
O
P
T
N
O
C
A
K
ACK
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
?
DATA
Address
Byte
X
X
X
X
X
X
A
C
K
or
P
O
S
T
P
ACK
N
O
C
A
K
Yes
Yes
Yes
Yes
Yes
Yes
?
Data
Byte
X
X
X
X
X
X
ACK
Yes
Yes
Yes
No
No
No
?
Cycle
Write
Yes
Yes
Yes
No
No
No