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PCA9515A Datasheet(PDF) 1 Page - Texas Instruments

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Part # PCA9515A
Description  DUAL BIDIRECTIONAL I2C BUS AND SMBus REPEATER
Download  13 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PCA9515A Datasheet(HTML) 1 Page - Texas Instruments

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FEATURES
D, DCT, DGK, OR PW PACKAGE
(TOP VIEW)
1
2
3
4
VCC
SCL1
SDA1
EN
NC
SCL0
SDA0
GND
8
7
6
5
NC
No internal connection
DESCRIPTION/ORDERING INFORMATION
PCA9515A
DUAL BIDIRECTIONAL I2C BUS AND SMBus REPEATER
SCPS150A – DECEMBER 2005 – REVISED JUNE 2006
Two-Channel Bidirectional Buffers
ESD Protection Exceeds JESD 22
I2C Bus and SMBus Compatible
– 2000-V Human-Body Model (A114-A)
Active-High Repeater-Enable Input
– 200-V Machine Model (A115-A)
Open-Drain I2C I/O
– 1000-V Charged-Device Model (C101)
5.5-V Tolerant I2C I/O and Enable Input
Support Mixed-Mode Signal Operation
Lockup-Free Operation
Accommodates Standard Mode and Fast
Mode I2C Devices and Multiple Masters
Supports Arbitration and Clock Stretching
Across the Repeater
Powered-Off High-Impedance I2C Pins
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
This dual bidirectional I2C buffer is operational at 2.3-V to 3.6-V VCC.
The PCA9515A is a BiCMOS integrated circuit intended for I2C bus and SMBus systems applications. The
device contains two identical bidirectional open-drain buffer circuits that enable I2C and similar bus systems to
be extended without degradation of system performance. Both buffers specifically are designed to support the
standard low-level-contention arbitration of the I2C bus and support clock stretching.
The PCA9515A buffers both the serial data (SDA) and serial clock (SCL) signals on the I2C bus, while retaining
all the operating modes and features of the I2C system. This enables two buses of 400-pF bus capacitance to be
connected in an I2C application.
The I2C bus capacitance limit of 400 pF restricts the number of devices and bus length. Using the PCA9515A
enables the system designer to isolate two halves of a bus, accommodating more I2C devices or longer trace
lengths.
ORDERING INFORMATION
TA
PACKAGE(1)
ORDERABLE PART NUMBER
TOP-SIDE MARKING(2)
Tube of 75
PCA9515AD
SOIC – D
Reel of 2500
PCA9515ADR
PD515A
Reel of 250
PCA9515ADT
Reel of 3000
PCA9515ADCTR
SSOP – DCT
PREVIEW
–40
°C to 85°C
Reel of 250
PCA9515ADCTT
Tube of 150
PCA9515APW
TSSOP – PW
Reel of 2000
PCA9515APWR
PD515A
Reel of 250
PCA9515APWT
VSSOP – DGK
Reel of 2500
PCA9515ADGKR
7B_
(1)
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
(2)
DCT: The actual top-side marking has three additional characters that designate the year, month, and assembly/test site.
DGK: The actual top-side marking has one additional character that designates the assembly/test site.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2005–2006, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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