PCA9545 具有中断逻辑和复位功能的 4 通道 I2C 和 SMBus 多路复用器

	PCA9545
tpd max(ns)	1
Interrupt Output	Yes
fSCLK(Max)(MHz)	400
VCC(Min)(V)	2.3
VCC(Max)(V)	5.5
Pin/Package	20SOIC, 20TSSOP, 20TVSOP, 20BGA MICROSTAR JUNIOR, 20VQFN
Operating Temperature Range(°C)	-40 to 85
Max Frequency(kHz)	400
I2C Address	1110 0xx
Vcc range(V)	2.3 to 5.5
Channel Width	4
Reset Input	Yes
Simultaneously Active Channels	1 to 4
5V Tolerant I/O	Yes
Open–Drain I/O Type	Yes

1-of-4 Bidirectional Translating Switches
I2C Bus and SMBus Compatible
Four Active-Low Interrupt Inputs
Active-Low Interrupt Output
Active-Low Reset Input
Two Address Pins, Allowing up to Four Devices on the I2C Bus
Channel Selection Via I2C Bus, In Any Combination
Power Up With All Switch Channels Deselected
Low RON Switches
Allows Voltage-Level Translation Between 1.8-V, 2.5-V, 3.3-V, and 5-V Buses
No Glitch on Power Up
Supports Hot Insertion
Low Standby Current
Operating Power-Supply Voltage Range of 2.3 V to 5.5 V
5.5-V Tolerant Inputs
0 to 400-kHz Clock Frequency
Latch-Up Performance Exceeds 100 mA Per JESD 78
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)

PCA9545 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
PCA9545DGVR	ACTIVE	-40 to 85	0.95 \| 1ku	TVSOP (DGV) \| 20	2000 \| LARGE T&R
PCA9545DW	ACTIVE	-40 to 85	1.15 \| 1ku	SOIC (DW) \| 20	25 \| TUBE
PCA9545DWR	ACTIVE	-40 to 85	0.95 \| 1ku	SOIC (DW) \| 20	2000 \| LARGE T&R
PCA9545GQNR	NRND	-40 to 85	2.00 \| 1ku	BGA MICROSTAR JUNIOR (GQN) \| 20	1000 \| LARGE T&R
PCA9545PW	ACTIVE	-40 to 85	1.15 \| 1ku	TSSOP (PW) \| 20	70 \| TUBE
PCA9545PWE4	ACTIVE	-40 to 85	1.15 \| 1ku	TSSOP (PW) \| 20	70 \| TUBE
PCA9545PWR	ACTIVE	-40 to 85	0.95 \| 1ku	TSSOP (PW) \| 20	2000 \| LARGE T&R
PCA9545PWRE4	ACTIVE	-40 to 85	0.95 \| 1ku	TSSOP (PW) \| 20	2000 \| LARGE T&R
PCA9545PWT	ACTIVE	-40 to 85	1.10 \| 1ku	TSSOP (PW) \| 20	250 \| SMALL T&R
PCA9545PWTE4	ACTIVE	-40 to 85	1.10 \| 1ku	TSSOP (PW) \| 20	250 \| SMALL T&R
PCA9545RGYR	ACTIVE	-40 to 85	0.95 \| 1ku	VQFN (RGY) \| 20	3000 \| LARGE T&R
PCA9545ZQNR	ACTIVE	-40 to 85	0.95 \| 1ku	BGA MICROSTAR JUNIOR (GQN) \| 20	1000 \| LARGE T&R