PCA9306DP-T datasheet, PDF - EEWORLD Datasheet

PCA9306DP-T: DescriptionVoltage Level Translator 2-CH Bidirectional 8-Pin TSSOP T/R; File Size278KB，35 Pages; ManufacturerNXP; Websitehttps://www.nxp.com; Environmental Compliance

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PCA9306DP-T Overview

Voltage Level Translator 2-CH Bidirectional 8-Pin TSSOP T/R

PCA9306DP-T Parametric

Parameter Name	Attribute value
EU restricts the use of certain hazardous substances	Compliant
ECCN (US)	EAR99
Part Status	Active
HTS	8542.39.00.01
Logic Function	Voltage Level Translator
Channel Type	Bidirectional
Number of Channels	2
Maximum Frequency (MHz)	>2000
Maximum Propagation Delay Time @ Maximum CL (ns)	3.3@3.3V
Absolute Propagation Delay Time (ns)	3.3
Output Type	Open Drain\|Push-Pull
Minimum Operating Supply Voltage (V)	0
Typical Operating Supply Voltage (V)	1.8\|2.5\|3.3
Maximum Operating Supply Voltage (V)	5
Minimum Operating Temperature (°C)	-40
Maximum Operating Temperature (°C)	105
Supplier Package	TSSOP
Pin Count	8
Mounting	Surface Mount
Package Height	0.95(Max)
Package Length	3.1(Max)
Package Width	3.1(Max)
PCB changed	8

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PCA9306

Dual bidirectional I

C-bus and SMBus voltage-level translator

Rev. 9 — 6 December 2019

Product data sheet

1. General description

The PCA9306 is a dual bidirectional I

C-bus and SMBus voltage-level translator with an

enable (EN) input, and is operational from 1.0 V to 3.6 V (V

ref(1)

) and 1.8 V to 5.5 V

bias(ref)(2)

The PCA9306 allows bidirectional voltage translations between 1.0 V and 5 V without the

use of a direction pin. The low ON-state resistance (R

) of the switch allows connections

to be made with minimal propagation delay. When EN is HIGH, the translator switch is on,

and the SCL1 and SDA1 I/O are connected to the SCL2 and SDA2 I/O, respectively,

allowing bidirectional data flow between ports. When EN is LOW, the translator switch is

off, and a high-impedance state exists between ports.

The PCA9306 is not a bus buffer like the PCA9509 or PCA9517A that provide both level

translation and physically isolates the capacitance to either side of the bus when both

sides are connected. The PCA9306 only isolates both sides when the device is disabled

and provides voltage level translation when active.

The PCA9306 can also be used to run two buses, one at 400 kHz operating frequency

and the other at 100 kHz operating frequency. If the two buses are operating at different

frequencies, the 100 kHz bus must be isolated when the 400 kHz operation of the other

bus is required. If the master is running at 400 kHz, the maximum system operating

frequency may be less than 400 kHz because of the delays added by the translator.

As with the standard I

C-bus system, pull-up resistors are required to provide the logic

HIGH levels on the translator’s bus. The PCA9306 has a standard open-collector

configuration of the I

C-bus. The size of these pull-up resistors depends on the system,

but each side of the translator must have a pull-up resistor. The device is designed to work

with Standard-mode, Fast-mode and Fast-mode Plus I

C-bus devices in addition to

SMBus devices. The maximum frequency is dependent on the RC time constant, but

generally supports > 2 MHz.

When the SDA1 or SDA2 port is LOW, the clamp is in the ON-state and a low resistance

connection exists between the SDA1 and SDA2 ports. Assuming the higher voltage is on

the SDA2 port when the SDA2 port is HIGH, the voltage on the SDA1 port is limited to the

voltage set by VREF1. When the SDA1 port is HIGH, the SDA2 port is pulled to the drain

pull-up supply voltage (V

pu(D)

) by the pull-up resistors. This functionality allows a

seamless translation between higher and lower voltages selected by the user without the

need for directional control. The SCL1/SCL2 channel also functions as the SDA1/SDA2

channel.

PCA9306DP-T Related Products

	PCA9306DP-T	PCA9306DC1/DG,125	PCA9306DP,118	PCA9306GM,125	PCA9306GF,115	PCA9306DC1,125	PCA9306D,118	PCA9306DP1,125
Description	Voltage Level Translator 2-CH Bidirectional 8-Pin TSSOP T/R	Voltage Level Translator 2-CH Bidirectional 8-Pin VSSOP T/R	Voltage Level Translator 2-CH Bidirectional 8-Pin TSSOP T/R	Voltage Level Translator 2-CH Bidirectional 8-Pin XQFN8U T/R	Voltage Level Translator 2-CH Bidirectional 8-Pin XSON T/R	Voltage Level Translator 2-CH Bidirectional 8-Pin VSSOP T/R	Voltage Level Translator 2-CH Bidirectional 8-Pin SO T/R	Voltage Level Translator 2-CH Bidirectional 8-Pin TSSOP T/R
EU restricts the use of certain hazardous substances	Compliant	Compliant	-	-	Compliant	Compliant	-	Compliant
ECCN (US)	EAR99	EAR99	-	-	EAR99	EAR99	-	EAR99
Part Status	Active	LTB	-	-	Active	LTB	-	Active
HTS	8542.39.00.01	8542.39.00.01	-	-	8542.39.00.01	8542.39.00.01	-	8542.39.00.01
Logic Function	Voltage Level Translator	Voltage Level Translator	-	-	Voltage Level Translator	Voltage Level Translator	-	Voltage Level Translator
Channel Type	Bidirectional	Bidirectional	-	-	Bidirectional	Bidirectional	-	Bidirectional
Number of Channels	2	2	-	-	2	2	-	2
Maximum Frequency (MHz)	>2000	>2000	-	-	>2000	>2000	-	>2000
Maximum Propagation Delay Time @ Maximum CL (ns)	3.3@3.3V	3.3@3.3V	-	-	3.3@3.3V	3.3@3.3V	-	3.3@3.3V
Absolute Propagation Delay Time (ns)	3.3	3.3	-	-	3.3	3.3	-	3.3
Output Type	Open Drain\|Push-Pull	Push-Pull\|Open Drain	-	-	Open Drain\|Push-Pull	Open Drain\|Push-Pull	-	Open Drain\|Push-Pull
Typical Operating Supply Voltage (V)	1.8\|2.5\|3.3	3.3\|2.5\|1.8	-	-	1.8\|2.5\|3.3	1.8\|2.5\|3.3	-	1.8\|2.5\|3.3
Maximum Operating Supply Voltage (V)	5	5	-	-	5	5	-	5
Minimum Operating Temperature (°C)	-40	-40	-	-	-40	-40	-	-40
Maximum Operating Temperature (°C)	105	105	-	-	105	105	-	105
Supplier Package	TSSOP	VSSOP	-	-	XSON	VSSOP	-	TSSOP
Pin Count	8	8	-	-	8	8	-	8
Mounting	Surface Mount	Surface Mount	-	-	Surface Mount	Surface Mount	-	Surface Mount
Package Height	0.95(Max)	0.85(Max)	-	-	0.46(Max)	0.85(Max)	-	0.95(Max)
Package Length	3.1(Max)	2.1(Max)	-	-	1.35	2.1(Max)	-	3.1(Max)
Package Width	3.1(Max)	2.4(Max)	-	-	1	2.4(Max)	-	3.1(Max)
PCB changed	8	8	-	-	8	8	-	8

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