CAT9554AHV4I-T2 ON Semiconductor, CAT9554AHV4I-T2 Datasheet - Page 5

• Manufacturer Part Number: CAT9554AHV4I-T2
• Description: IC I/O EXPANDER I2C/SMBUS 16TQFN
• Manufacturer: ON Semiconductor
• Series: -r

Specifications of CAT9554AHV4I-T2

• Interface: I²C, SMBus
• Number Of I /o: 8
• Interrupt Output: Yes
• Frequency - Clock: 400kHz
• Voltage - Supply: 2.3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TFQFN Exposed Pad
• Includes: POR
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

A.C. TEST CONDITIONS
© 2008 SCILLC. All rights reserved
Characteristics subject to change without notice
Input Rise and Fall time
CMOS Input Voltages
CMOS Input Reference Voltages
TTL Input Voltages
TTL Input Reference Voltages
Output Reference Voltages
Output Load: SDA, INT
Output Load: I/Os
SDA OUT
SDA IN
SCL
t SU:STA
¯¯¯
t F
t HD:STA
t LOW
Figure 1. I²C Serial Interface Timing
t AA
t HD:DAT
t HIGH
≤ 10ns
0.2V
0.3V
0.4V to 2.4V
0.8V, 2.0V
0.5V
Current Souce I
Current Source: I
CC
CC
CC
to 0.8V
to 0.7V
t LOW
5
t DH
CC
CC
OL
OL
t SU:DAT
= 3mA; C
/I
t R
OH
= 10mA; C
L
= 100pF
L
= 50pF
t SU:STO
t BUF
CAT9554, CAT9554A
Doc. No. MD-9002, Rev. F