CAT3626 Datasheet, PDF (3/14 Pages) Catalyst Semiconductor – 6-Channel LED Driver with I2C Interface

CAT3626
A.C. CHARACTERISTICS
For 3V ≤ VIN ≤ 5.5V, over full ambient temperature range -40 to +125°C (over recommended operating conditions
unless specified otherwise).
Symbol Parameter
f_SCL
Clock Frequency
t_AA
SCL Low to SDA Data Out and ACK Out
t_BUF
Bus Free Time Before a New Transmission Can Start
t_HD:STA Start Condition Hold Time
t_LOW
Clock Low Period
t_HIGH
Clock High Period
t_SU:STA Start Condition Setup Time (For a Repeated Condition)
t_HD:DAT Data In Hold Time
t_SU:DAT Data In Setup Time
t_R
SDA and SCL Rise Time
t_F
SDA and SCL Fall Time
t_SU:STO Stop Condition Setup Time
t_DH
Data Out Hold Time
Min Typ Max Unit
400
kHz
0.9
µs
1.2
µs
0.6
µs
1.2
µs
0.6
µs
0.6
µs
0
ns
100
ns
0.3
µs
300
ns
0.6
µs
50
ns
Figure 1. I²C Bus Timing Characteristics
© 2006 Catalyst Semiconductor, Inc.
3
Characteristics subject to change without notice
Doc. No. 5014 Rev. A