5 Device Comparison Table

DEVICE	MAX FREQUENCY	I²C ADDRESS	V_CC RANGE	NO. OF GPIOs	INTERRUPT OUTPUT	RESET INPUT	CONFIGURATION REGISTERS	5-V TOLERANT	PUSH-PULL I/O TYPE	OPEN-DRAIN I/O TYPE	COMMENT
TCA6408	400	0100 00x	1.65 to 5.5	8	Yes	Yes	Yes	Yes	Yes	No	Power on reset, t_f (fall time) > 100 ms and t_r (ramp time) < 10 ms
TCA6408	400	0100 00x	1.65 to 5.5	8	Yes	Yes	Yes	Yes	Yes	No	Unrestricted power on reset ramp/fall time. Both t_f (fall time) and TRT (ramp time) can be between 0.1 ms and 2000 ms
TCA6416	400	0100 00x	1.65 to 5.5	16	Yes	Yes	Yes	Yes	Yes	No	Power on reset, t_f (fall time) > 100 ms and TRT (ramp time) < 10 ms
TCA6416A	400	0100 00x	1.65 to 5.5	16	Yes	Yes	Yes	Yes	Yes	No	Unrestricted power on reset ramp/fall time. Both t_f (fall time) and TRT (ramp time) can be between 0.1 ms and 2000ms
TCA6424	400	0100 00x	1.65 to 5.5	24	Yes	Yes	Yes	Yes	Yes	No	Power on reset, t_f (fall time) > 100 ms and TRT (ramp time) < 10 ms
TCA9535	400	0100 xxx	1.65 to 5.5	16	Yes	No	Yes	Yes	Yes	No
TCA9539	400	1110 1xx	1.65 to 5.5	16	Yes	Yes	Yes	Yes	Yes	No
TCA9555	400	0100 xxx	1.65 to 5.5	16	Yes	No	Yes	Yes	Yes	No
PCA6107	400	0011 xxx	2.3 to 5.5	8	Yes	Yes	Yes	Yes	Yes P1―P7 bits	Yes P0 bit	One open drain output; eight push pull outputs
PCA9534	400	0100 xxx	2.3 to 5.5	8	Yes	No	Yes	Yes	Yes	No	PCA9534 has a different slave address as the PCA9534A, allowing up to 16 devices '9534 type devices on the same I²C bus
PCA9534A	400	0111 xxx	2.3 to 5.5	8	Yes	No	Yes	Yes	Yes	No	PCA9534A has a different slave address as the PCA9534, allowing up to 16 devices '9534 type devices on the same I²C bus
PCA9535	400	0100 xxx	2.3 to 5.5	16	Yes	No	Yes	Yes	Yes	No
PCA9536	400	1000 001	2.3 to 5.5	4	No	No	Yes	Yes	Yes	No
PCA9538	400	1110 0xx	2.3 to 5.5	8	Yes	Yes	Yes	Yes	Yes	No
PCA9539	400	1110 1xx	2.3 to 5.5	16	Yes	Yes	Yes	Yes	Yes	No
PCA9554	400	0100 xxx	2.3 to 5.5	8	Yes	No	Yes	Yes	Yes	No
PCA9554A	400	0111 xxx	2.3 to 5.5	8	Yes	No	Yes	Yes	Yes	No
PCA9555	400	0100 xxx	2.3 to 5.5	16	Yes	No	Yes	Yes	Yes	No
PCA9557	400	0011 xxx	2.3 to 5.5	8	No	Yes	Yes	Yes	Yes	Yes
PCF8574	400	0100 xxx	2.5 to 6.0	8	Yes	No	No	Yes	Yes	No	PCA8574 has a different slave address as the PCA8574A, allowing up to 16 devices '9534 type devices on the same I²C bus
PCF8574A	400	0111 xxx	2.5 to 6.0	8	Yes	No	No	Yes	Yes	No	PCA8574A has a different slave address as the PCA8574, allowing up to 16 devices '9534 type devices on the same I²C bus
PCF8575	400	0100 xxx	2.5 to 5.5	16	Yes	No	No	Yes	Yes	No
PCF8575C	400	0100 xxx	4.5 to 5.5	16	Yes	No	No	Yes	No	Yes