CDCP1803 Datasheet, PDF (1/19 Pages) Texas Instruments – 1:3 LVPECL CLOCK BUFFER WITH PROGRAMMABLE DIVIDER

D Distributes One Differential Clock Input to
Three LVPECL Differential Clock Outputs
D Programmable Output Divider for Two
LVPECL Outputs
D Low-Output Skew 15 ps (Typical)
D V_CC Range 3 V−3.6 V
D Signaling Rate Up to 800-MHz LVPECL
D Differential Input Stage for Wide
Common-Mode Range
D Provides VBB Bias Voltage Output for
Single-Ended Input Signals
D Receiver Input Threshold +75 mV
D 24-Pin MLF Package (4 mm x 4 mm)
D Accepts Any Differential Signaling: LVDS,
HSTL, CML, VML, SSTL-2, and
Single-Ended: LVTTL/LVCMOS
CDCP1803
1:3 LVPECL CLOCK BUFFER
WITH PROGRAMMABLE DIVIDER
SCAS727B − NOVEMBER 2003 − REVISED FEBRUARY 2004
MLF PACKAGE
(TOP VIEW)
EN 1
VddPECL 2
IN 3
IN 4
VddPECL 5
VBB 6
V_SS^{
18 S0
17 Vdd1
16 Y1
15 Y1
14 Vdd1
13 _VSS
description
{ _{PowerPad must be connected to VSS.}
The CDCP1803 clock driver distributes one pair of differential clock inputs to three pairs of LVPECL differential
clock outputs Y[2:0] and Y[2:0], with minimum skew for clock distribution. The CDCP1803 is specifically
designed for driving 50-Ω transmission lines.
The CDCP1803 has three control pins, S0, S1, and S2, to select different output mode settings, see Table 1
for details. The CDCP1803 is characterized for operation from −40°C to 85°C. For use in single-ended driver
applications, the CDCP1803 also provides a VBB output pin that can be directly connected to the unused input
as a common-mode voltage reference.
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 Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright  2004, Texas Instruments Incorporated
1