Diodes Incorporated
Infineon
Lumissil
Microchip
Nuvoton
NXP
Renesas Electronics
Texas Instruments
82C55
82C55A
82C59A
CMS82C55A
CY8C95xx
IS31IO7325
MCP23017
MCP23S17
PCA9518
PCA9534
PCA9534A
PCA9535
PCA9538
PCA9539
PCA9554
PCA9555
PCA9557
PCF8574
PCF8574A
PCF8575C
CDIP-40
PDIP-14
PDIP-16
PDIP-18
PDIP-28
PLCC-28
PLCC-44
QFN-16
QFN-20
QFN-24
QFN-28
SOIC-14
SOIC-16
SOIC-18
SOIC-20
SOIC-24
SOIC-28
SOP-14
SOP-24
SPDIP-28
CAN
I2C, Serial
I2C, Serial, SMBus
Parallel
Serial, SPI
5 I/O
8 I/O
16 I/O
20 I/O
24 I/O
40 I/O
With Interrupt
Without Interrupt
1.8 V
2 V
2.3 V
2.5 V
2.7 V
2.75 V
3 V
3.3 V
4.5 V
5 V
5.5 V
3.3 V
3.6 V
5 V
5.25 V
5.5 V
6 V
100 kHz
400 kHz
1.7 MHz
3.4 MHz
4 MHz
8 MHz
10 MHz
12 MHz
24 MHz
25 MHz
+ 70 C
+ 85 C
+ 125 C
+ 150 C
1 kV
2 kV
3.5 kV
4 kV
Without ESD Protection