pca9501 NXP Semiconductors, pca9501 Datasheet - Page 19

• Manufacturer Part Number: pca9501
• Description: 8-bit I2c And Smbus I/o Port With Interrupt, 2-kbit Eeprom And 6 Address Pins
• Manufacturer: NXP Semiconductors

Philips Semiconductors
NOTE:
Rapid fall off in V
being used as inputs, the internal current source V
sufficient V
2004 Sep 30
8-bit I
2-kbit EEPROM and 6 address pins
IH
2
threshold noise margin.
C and SMBus I/O port with interrupt,
I
OH
OH
( A)
–100
–120
–140
at current inception is due to a diode that provides 5 V overvoltage protection for the GPIO I/O pins. When the GPIO I/O are
–20
–40
–60
–80
20
0
0
T
amb
0.4
= 85 C
0.8
Figure 26. V
OH
should be evaluated to determine if external pull-up resistors are required to provide
1.2
2.5 V
2.7 V
3.0 V
OH
versus I
1.6
19
V
OH
3.3 V
(V)
OH
2.0
(T
amb
3.6 V
= 85 C)
2.4
2.8
3.2
SW02352
3.6
PCA9501
Product data sheet