ICS8S89874I Datasheet, PDF (3/19 Pages) Integrated Device Technology – 1:2 Differential-to-LVPECL Buffer/Divider

ICS8S89874I Data Sheet
Function Tables
Table 3A. Control Input Function Table
Inputs
Outputs
nRESET
Selected Source
Q0, Q1
nQ0, nQ1
0
IN/nIN
Disabled; LOW
Disabled; HIGH
1
IN/nIN
Enabled
Enabled
1:2 DIFFERENTIAL-TO-LVPECL BUFFER/DIVIDER
nRESET
IN
nIN ^VIN
V_IN Swing
nQx
Qx
Figure 1. nRESET Timing Diagram
V_CC/2
t_RR
t_PD
V_OUT Swing
Table 3B. Truth Table
Inputs
nRESET
S2
S1
1
0
X
1
1
0
1
1
0
1
1
1
1
1
1
0
1
X
0
0
X
S0 Outputs
X
Reference Clock ÷1 (pass through)
0
Reference Clock ÷2
1
Reference Clock ÷4
0
Reference Clock ÷8
1
Reference Clock ÷16
X
Q = LOW, nQ = HIGH; Clock Disabled
X
Q = LOW, nQ = HIGH; Clock Disabled
ICS8S89874BKI REVISION A OCTOBER 22, 2010
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©2010 Integrated Device Technology, Inc.