SN65LVELT23 Datasheet, PDF (1/10 Pages) Texas Instruments – 3.3-V Dual Differential LVPECL/LVDS Buffer to LVTTL Translator

SN65LVELT23
www.ti.com......................................................................................................................................................... SLLS929A – JUNE 2009 – REVISED AUGUST 2009
3.3-V Dual Differential LVPECL/LVDS Buffer to LVTTL Translator
FEATURES
1
• Dual 3.3-V Differential LVPECL/LVDS to LVTTL
Buffer Translator
• 24-mA LVTTL Ouputs
• Operating Range
– PECL V_CC = 3 V to 3.6 V With
GND = 0 V
• Support for Clock Frequencies to >180 MHz
• 2-ns Typical Propagation Delay
• Internal Input Pullup and Pulldown Resistors
• Built-in Temperature Compensation
• Drop-In Compatible to MC100LVELT23
PINOUT ASSIGNMENT
D0 1
D0 2
LVPECL
D1 3
D1 4
8 V_CC
7 Q0
LVTTL
6 Q1
5 GND
APPLICATIONS
Table 1. PIN DESCRIPTION
• Data and Clock Transmission Over Backplane
• Signaling Level Conversion for Clock or Data
PIN
D₀, D₀, D₁, D₁
PECL inputs
FUNCTION
DESCRIPTION
The SN65LVELT23 is a low-power dual
LVPECL/LVDS to LVTTL translator device. The
Q₀, Q₁
V_CC
GND
TTL outputs
Positive supply
Ground
device includes circuitry to maintain inputs at V_CC/2
when left open. The SN65LVELT23 is housed in an
industry-standard SOIC-8 package and is also
available in a TSSOP-8 option.
ORDERING INFORMATION⁽¹⁾
PART NUMBER
SN65LVELT23D
SN65LVELT23DGK
PART MARKING
LVEL23
SIMI
PACKAGE
SOIC
MSOP
LEAD FINISH
NiPdAu
NiPdAu
(1) Devices with lead (Pb)-bearing terminals not initially available; contact TI sales representative for further information.
1
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.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2009, Texas Instruments Incorporated