CAT9555_08 Datasheet, PDF (6/17 Pages) Catalyst Semiconductor – 16-bit I2C and SMBus I/O Port with Interrupt

CAT9555
AC TEST CONDITIONS
Input Rise and Fall time
CMOS Input Voltages
CMOS Input Reference Voltages
Output Reference Voltages
Output Load: SDA, INT
Output Load: I/Os
< = 10ns
0.2V_CC to 0.8V_CC
0.3V_CC to 0.7V_CC
0.5V_CC
Current Souce I_OL = 3mA; C_L = 100pF
Current Source: I_OL/I_OH = 10mA; C_L = 50pF
tF
tHIGH
tR
tLOW
tLOW
SCL
tSU:STA
tHD:DAT
tHD:STA
tSU:DAT
SDA IN
SDA OUT
tAA
tDH
Figure 1. 2-Wire Serial Interface Timing
tSU:STO
tBUF
Doc. No. MD-9003 , Rev. G
6
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice