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LTC4316IMS Datasheet

Single I2C/SMBus Address Translator

No Preview Available !

LTC4316
Single I2C/SMBus
Address Translator
FEATURES
n Allows Multiple Slaves with the Same Address to
Coexist on the Same Bus
n Resistor Configurable Address Translation
n No Software Programming Required
n Compatible with SMBus, I2C and I2C Fast Mode
n Pass-Through Mode Allows General Call Addressing
n ±4kV HBM ESD Ruggedness
n Level Translation for 2.5V, 3.3V and 5V Buses
n Stuck Bus Timeout
n Prevents SDA and SCL Corruption During Live Board
Insertion and Removal
n Support Bus Hot Swap
n 10-Lead MSOP and DFN 3mm × 3mm Packages
APPLICATIONS
n I2C, SMBus Address Expansion
n Address Translation
n Servers
n Telecom
DESCRIPTION
The LTC®4316 enables the hardwired address of one or
more I2C or SMBus slave devices to be translated to a
different address. This allows slaves with the same hard-
wired address to coexist on the same bus. Only discrete
resistors are needed to select the new address and no
software programming is required. Up to 127 different
address translations are available.
The LTC4316 incorporates a pass-through mode which
disables the address translation and allows general call
addressing by the master. The LTC4316 is designed to
automatically recover from abnormal bus conditions like
bus stuck low or premature STOP bits.
PART NUMBER
LTC4316
LTC4317
LTC4318
NUMBER OF INPUT
CHANNELS
1
1
2
NUMBER OF OUTPUT
CHANNELS
1
2
2
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
Protected by U.S. Patents, including 6356140, 6650174, 7032051, 7478286. Patent pending.
TYPICAL APPLICATION
TRANSLATES BY 0x02
3.3V
SENDS
ADDRESS 0x34
SCL
MASTER
SDA
VCC
SCLIN SCLOUT
LTC4316
SDAIN SDAOUT
3.3V ENABLE READY
XORL XORH GND
976k 182k
3.3V
5V
RECEIVES
ADDRESS 0x36
SCL
START
BIT
ADDRESS BITS
R/W ACK
BIT BIT
a6
a5
a4
a3
a2
a1
a0
SCLIN
SLAVE
SDA
SDAIN
TRANSLATION
BYTE
0
0
1
1
0
1
0
0 = 0x34
0
0
0
0
0
0
1
0 = 0x02
SDAOUT
0
0
1
1
0
1
1
0 = 0x36
4316 TA01b
4316 TA01a
For more information www.linear.com/LTC4316
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Linear Technology Electronic Components Datasheet

LTC4316IMS Datasheet

Single I2C/SMBus Address Translator

No Preview Available !

LTC4316
ABSOLUTE MAXIMUM RATINGS (Notes 1, 2)
Input Supply Voltage VCC.............................. –0.3V to 6V
Input Voltages
ENABLE......................................................... –0.3V to 6V
XORL, XORH.....................................–0.3V to VCC + 0.3V
Output Voltage
READY.......................................................... –0.3V to 6V
Output Currents
READY, SDAOUT.....................................................50mA
Input/Output Voltages
SCLIN, SCLOUT, SDAIN, SDAOUT................. –0.3V to 6V
Operating Temperature Range
LTC4316C................................................. 0°C to 70°C
LTC4316I..............................................–40°C to 85°C
Storage Temperature Range................... –65°C to 150°C
PIN CONFIGURATION
TOP VIEW
GND 1
XORH 2
XORL 3
VCC 4
ENABLE 5
10 SCLIN
9 SCLOUT
11
GND
8 SDAOUT
7 SDAIN
6 READY
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
TJMAX = 150°C, θJA = 43°C/W
EXPOSED PAD (PIN 11) IS GND, PCB CONNECTION OPTIONAL
GND 1
XORH 2
XORL 3
VCC 4
ENABLE 5
TOP VIEW
10 SCLIN
9 SCLOUT
8 SDAOUT
7 SDAIN
6 READY
MS PACKAGE
10-LEAD PLASTIC MSOP
TJMAX = 150°C, θJA = 160°C/W
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC4316CDD#PBF
LTC4316CDD#TRPBF LGSW
10-Lead (3mm × 3mm) Plastic DFN
0°C to 70°C
LTC4316IDD#PBF
LTC4316IDD#TRPBF
LGSW
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 85°C
LTC4316CMS#PBF
LTC4316CMS#TRPBF LTGSV
10-Lead Plastic MSOP
0°C to 70°C
LTC4316IMS#PBF
LTC4316IMS#TRPBF
LTGSV
10-Lead Plastic MSOP
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/. Some Packages are available in 500 unit reels through
designated sales channels with #TRMPBF suffix.
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For more information www.linear.com/LTC4316


Part Number LTC4316IMS
Description Single I2C/SMBus Address Translator
Maker Linear
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