PCA9516APW - NXP

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

PCA9516APW
Manufacturer

NXP
ChipWorker Part#

CW133306607
Category

Interface IC, Interface Controller
Package

TSSOP-16
Description

I2C Buffer 2.5V/3.3V 16Pin TSSOP
Documentation

Datasheet

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PCA9516APW Specifications

Attribute	Attribute Value

Part Number	PCA9516APW
Manufacturer	NXP
ChipWorker Part#	CW133306607
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	TSSOP-16
Supply Voltage (DC)	2.50 V
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
	expand all
Product Lifecycle Status	Unknown
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

Overview
The PCA9516A is a CMOS integrated circuit intended for application in I²C-bus and SMBus systems.
While retaining all the operating modes and features of the I²C-bus system, it permits extension of the I²C-bus by buffering both the data (SDAn) and the clock (SCLn) lines, thus enabling five buses of 400 pF.
The I²C-bus capacitance limit of 400 pF restricts the number of devices and bus length. Using the PCA9516A enables the system designer to divide the bus into five segments off of a hub where any segment-to-segment transition sees only one repeater delay.
It can also be used to run different buses at 5 V and 3.3 V or 400 kHz and 100 kHz buses where the 100 kHz bus is isolated when 400 kHz operation of the other bus is required.
**Two or more**PCA9516A**s cannot be put in series.**The PCA9516A design does not allow this configuration. Since there is no direction pin, slightly different "legal" low voltage levels are used to avoid lock-up conditions between the input and the output of each repeater in the hub. A "regular LOW" applied at the input of a PCA9516A will be propagated as a "buffered LOW" with a slightly higher value on all the enabled outputs. When this "buffered LOW" is applied to another PCA9515A, PCA9516A, or PCA9518A in series, the second PCA9515A, PCA9516A, or PCA9518A will not recognize it as a "regular LOW" and will not propagate it as a "buffered LOW" again. The PCA9510A/9511A/9513A/9514A and PCA9512A cannot be used in series with the PCA9515A, PCA9516A, or PCA9518A, but can be used in series with themselves since they use shifting instead of static offsets to avoid lock-up conditions.
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## Features
* 5 channel, bidirectional buffer
* I²C-bus and SMBus compatible
* Active HIGH individual repeater enable input
* Open-drain input/outputs
* Lock-up free operation
* Supports arbitration and clock stretching across the repeater
* Accommodates Standard-mode and Fast-mode I²C-bus devices and multiple masters
* Powered-off high-impedance I²C-bus pins
* Operating supply voltage range of 2.3 V to 3.6 V
* 5.5 V tolerant I²C-bus and enable pins
* 0 Hz to 400 kHz clock frequency1
* ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101
* Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA
* Packages offered: SO16 and TSSOP16
1\\. The maximum system operating frequency may be less than 400 kHz because of the delays added by the repeater.
## Features

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