CAT9555_08 Datasheet, PDF (5/17 Pages) Catalyst Semiconductor – 16-bit I2C and SMBus I/O Port with Interrupt

CAT9555
A.C. CHARACTERISTICS
V_CC = 2.3V to 5.5V, T_A = -40°C to +85°C, unless otherwise specified (Note 1).
Symbol ^Parameter
f_SCL
t_SP
t_LOW
t_HIGH
(2)
t_R
(2)
t_F
t_HD:STA
t_SU:STA
t_HD:DAT
t_SU:DAT
t_SU:STO
t_AA
t_DH
(2)
t_BUF
Port Timing
Clock Frequency
Input Filter Spike Suppression (SDA, SCL)
Clock Low Period
Clock High Period
SDA and SCL Rise Time
SDA and SCL Fall Time
Start Condition Hold Time
Start Condition Setup Time (for a Repeated Start)
Data Input Hold Time
Data In Setup Time
Stop Condition Setup Time
SCL Low to Data Out Valid
Data Out Hold Time
Time the Bus must be Free Before a New Transmission Can Start
t_PV
Output Data Valid
t_PS
Input Data Setup Time
t_PH
Input Data Hold Time
Interrupt Timing
Min
Max
400
50
1.3
0.6
20
300
20
300
0.6
0.6
0
100
0.6
900
50
1.3
200
100
1
t_IV
Interrupt Valid
4
t_IR
Interrupt Reset
4
Notes:
1. Test conditions according to "AC Test Conditions" table.
2. This parameter is characterized initially and after a design or process change that affects the parameter. Not 100% tested.
Units
kHz
ns
µs
µs
ns
ns
µs
µs
ns
ns
µs
ns
ns
µs
ns
ns
µs
µs
µs
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
5
Doc. No. MD-9003, Rev. G