ICS85311 Datasheet, PDF (2/13 Pages) Integrated Circuit Systems – Low Skew, 1-to-2 Differential-to-2.5V/3.3V ECL/LVPECL Fanout Buffer

Integrated
Circuit
Systems, Inc.
ICS85311
Low Skew, 1-to-2
Differential-to-2.5V/3.3V ECL/LVPECL Fanout Buffer
TABLE 1. PIN DESCRIPTIONS
Number
Name
Type
Description
1, 2
Q0, nQ0
Output
Differential output pair. LVPECL interface levels.
3, 4
Q1, nQ1
Output
Differential output pair. LVPECL interface levels.
5
V_EE
Power
Negative supply pin. Connect to ground.
6
nCLK
Input
Pullup Inverting differential clock input.
7
CLK
Input Pulldown Non-inverting differential clock input.
8
V_CC
Power
Positive supply pin. Connect to 2.5v or 3.3V.
NOTE: Pullup and Pulldown refers to internal input resistors. See Table 2, Pin Characteristics, for typical values.
TABLE 2. PIN CHARACTERISTICS
Symbol
C_IN
R_PULLUP
R_PULLDOWN
Parameter
Input Capacitance CLK, nCLK
Input Pullup Resistor
Input Pulldown Resistor
Test Conditions
Minimum
Typical
51
51
Maximum
4
Units
pF
KΩ
KΩ
ICS85311AM
www.icst.com/products/hiperclocks.html
2
REV. A JUNE 29, 2001