TCA6408A 低压 8 位 I2C 和 SMBus I/O 扩展器

	TCA6408A
No. of Outputs	8
Interrupt Output	Yes
Reset Input	Yes
fSCLK(Max)(MHz)	400
VCC(Min)(V)	1.65
VCC(Max)(V)	5.5
Pin/Package	16QFN, 16TSSOP, 16UQFN
Operating Temperature Range(°C)	-40 to 85
Max Frequency(kHz)	400
I2C Address	0100 00x
# of I/Os	8
Vcc range(V)	1.65 to 5.5
Low Power	Yes
Configuration Registers	Yes
5V Tolerant I/O	Yes
Push–Pull I/O Type	Yes

Operating Power-Supply Voltage Range of 1.65 V to 5.5 V
Allows Bidirectional Voltage-Level Translation and GPIO Expansion Between
- 1.8-V SCL/SDA and 1.8-V, 2.5-V, 3.3-V, or 5-V P Port
- 2.5-V SCL/SDA and 1.8-V, 2.5-V, 3.3-V, or 5-V P Port
- 3.3-V SCL/SDA and 1.8-V, 2.5-V, 3.3-V, or 5-V P Port
- 5-V SCL/SDA and 1.8-V, 2.5-V, 3.3-V, or 5-V P Port
I2C to Parallel Port Expander
Low Standby Current Consumption of 1 uA
Schmitt-Trigger Action Allows Slow Input Transition and Better Switching Noise Immunity at the SCL and SDA Inputs
- Vhys = 0.18 V Typ at 1.8 V
- Vhys = 0.25 V Typ at 2.5 V
- Vhys = 0.33 V Typ at 3.3 V
- Vhys = 0.5 V Typ at 5 V
5-V Tolerant I/O Ports
Active-Low Reset (RESET) Input
Open-Drain Active-Low Interrupt (INT) Output
400-kHz Fast I2C Bus
Input/Output Configuration Register
Polarity Inversion Register
Internal Power-On Reset

TCA6408A 芯片订购指南

器件	状态	温度	价格	封装 \| 引脚	封装数量 \| 封装载体	丝印标记
TCA6408APWR	ACTIVE	-40 to 85	0.75 \| 1ku	TSSOP (PW) \| 16	2000 \| LARGE T&R
TCA6408ARGTR	ACTIVE	-40 to 85	0.75 \| 1ku	QFN (RSA) \| 16	3000 \| LARGE T&R
TCA6408ARSVR	ACTIVE	-40 to 85	0.75 \| 1ku	UQFN (RSV) \| 16	3000 \| LARGE T&R