ICS87951I
LOW SKEW, 1-TO-9
DIFFERENTIAL-TO-LVCMOS/LVTTL ZERO DELAY BUFFER
Integrated
Circuit
Systems, Inc.
TABLE 3A. OUTPUT CONTROL PIN FUNCTION TABLE
Inputs
Outputs
MR/nOE
QA
HiZ
QB
HiZ
QC0, QC1
HiZ
QD0:QD4
HiZ
1
0
Enabled
Enabled
Enabled
Enabled
TABLE 3B. OPERATING MODE FUNCTION TABLE
Inputs
Operating Mode
PLL_SEL
0
1
Bypass
PLL
TABLE 3C. PLL INPUT FUNCTION TABLE
Inputs
CLK_SEL
PLL Input
CLK1, nCLK1
CLK0
0
1
TABLE 3D. PROGRAMMABLE OUTPUT FREQUENCY FUNCTION TABLE
Inputs
Outputs
DIV_SELA
DIV_SELB
DIV_SELC
DIV_SELD
QA
QB
QCx
QDx
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
VCO/2
VCO/2
VCO/2
VCO/2
VCO/2
VCO/2
VCO/2
VCO/2
VCO/4
VCO/4
VCO/4
VCO/4
VCO/4
VCO/4
VCO/4
VCO/4
VCO/4
VCO/4
VCO/4
VCO/4
VCO/8
VCO/8
VCO/8
VCO/8
VCO/4
VCO/4
VCO/4
VCO/4
VCO/8
VCO/8
VCO/8
VCO/8
VCO/4
VCO/4
VCO/8
VCO/8
VCO/4
VCO/4
VCO/8
VCO/8
VCO/4
VCO/4
VCO/8
VCO/8
VCO/4
VCO/4
VCO/8
VCO/8
VCO/4
VCO/8
VCO/4
VCO/8
VCO/4
VCO/8
VCO/4
VCO/8
VCO/4
VCO/8
VCO/4
VCO/8
VCO/4
VCO/8
VCO/4
VCO/8
87951AYI
www.icst.com/products/hiperclocks.html
REV.B NOVEMBER 23, 2005
4
SPECTRUM [ SPECTRUM MICROWAVE, INC. ]
