CAT9555WI-T1 CATALYST SEMICONDUCTOR, CAT9555WI-T1 Datasheet - Page 5

• Manufacturer Part Number: CAT9555WI-T1
• Description: IC, I/O EXPANDER, 16BIT, 400KHZ, SOIC-24
• Manufacturer: CATALYST SEMICONDUCTOR

Specifications of CAT9555WI-T1

• Chip Configuration: 16 Bit
• Bus Frequency: 400kHz
• Ic Interface Type: I2C, SMBus
• No. Of I/o's: 16
• Supply Voltage Range: 2.3V To 5.5V
• Digital Ic Case Style: SOIC
• No. Of Pins: 24
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

A.C. CHARACTERISTICS
V
Notes:
(1)
(2)
© 2010 SCILLC. All rights reserved
Characteristics subject to change without notice
Port Timing
Interrupt Timing
CC
Symbol
Symbol
Test conditions according to "AC Test Conditions" table.
This parameter is characterized initially and after a design or process change that affects the parameter. Not 100% tested.
= 2.3V to 5.5V; T
t
t
t
t
t
t
HD:DAT
SU:STO
HD:STA
SU:STA
SU:DAT
F
t
BUF
t
t
T
t
t
HIGH
t
LOW
t
t
t
t
t
R
F
PS
SCL
PV
PH
IR
AA
DH
IV
i
(2)
(2)
(2)
(2)
Parameter
Output Data Valid
Input Data Setup Time
Input Data Hold Time
Interrupt Valid
Interrupt Reset
Parameter
Clock Frequency
START Condition Hold Time
Low Period of SCL Clock
High Period of SCL Clock
START Condition Setup Time
Data In Hold Time
Data In Setup Time
SDA and SCL Rise Time
SDA and SCL Fall Time
STOP Condition Setup Time
Bus Free Time Between STOP and START
SCL Low to Data Out Valid
Data Out Hold Time
Noise Pulse Filtered at SCL and SDA Inputs
A
= -40°C to +85°C, unless otherwise specified.
5
Min
250
100
Standard I
4.7
4.7
4.7
4
4
0
4
(1)
1000
Max
100
300
100
3.5
2
C
Min
Min
100
100
0.6
1.3
0.6
0.6
0.6
1.3
50
1
0
Fast I
2
C
Max
Max
200
400
300
300
100
0.9
4
4
Doc. No. MD-9003, Rev. J
CAT9555
Units
Units
kHz
µs
µs
µs
µs
µs
ns
ns
µs
µs
µs
ns
ns
ns
ns
µs
µs
µs
ns