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CDC930 Datasheet(PDF) 4 Page - Texas Instruments

Part No. CDC930
Description  133-MHz DIFFERENTIAL CLOCK SYNTHESIZER / DRIVER FOR PC MOTHERBOARDS WITH 3-STATE OUTPUTS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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CDC930 Datasheet(HTML) 4 Page - Texas Instruments

 
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SCAS641
– JULY 2000
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Function Tables
SELECT FUNCTIONS
INPUTS
OUTPUTS
FUNCTION
SEL100/133
SelA
SelB
HOST, HCLK
3VMREF, 3VMREF
PCI
3V66
3V48
REF
FUNCTION
0
0
0
100 MHz
50 MHz
33 MHz
66 MHz
48 MHz
14.318 MHz
Active 100 MHz
0
1
1
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
All outputs 3-stated
1
0
0
133 MHz
66 MHz
33 MHz
66 MHz
48 MHz
14.318 MHz
Active 133 MHz
1
1
1
TCLK/2
TCLK/4
TCLK/8
TCLK/4
TCLK/2
TCLK
Test Mode
ENABLE FUNCTION
INPUT
OUTPUTS
SEL100/133
HCLK
HCLK
3VMREF, 3VMREF
PCI
3V66
3V48
REF
0
2 IREF
Not driven
L
L
L
L
L
1
On
On
On
On
On
On
On
SPREAD SPECTRUM FUNCTION
INPUT
OUTPUTS
SPREAD
0
Spread spectrum clocking active,
–0.6% at HCLK/HCLK, 3VMREF/3VMREF, 3V66, PCI
SPREAD
1
Spread spectrum clocking nonactive
OUTPUT BUFFER SPECIFICATIONS
BUFFER NAME
VDD RANGE
(V)
IMPEDANCE
( )
BUFFER TYPE
3V48, REF
3.135
– 3.465
20
–60
TYPE 3
PCI, 3V66
3.135
– 3.465
12
–65
TYPE 5
3VMREF/3VMREF
3.135
– 3.465
12
–55
TYPE 5
HCLK/HCLK
TYPE X1
OUTPUT BUFFER SPECIFICATIONS
INPUTS
BOARD TARGET
REFERENCE R,
OUTPUT CURRENT
VOH AT Z
MultSel0
MultSel1
BOARD TARGET
TRACE/TERM Z
REFERENCE R,
IREF = VDD/3 Rr)
OUTPUT CURRENT
VOH AT Z
IREF = 2.32 mA
0
0
60
Rr = 475 1%, IREF = 2.32 mA
IOH = 5 IREF
0.71 V at 60
0
0
50
Rr = 475 1%, IREF = 2.32 mA
IOH = 5 IREF
0.59 V at 50
0
1
60
Rr = 475 1%, IREF = 2.32 mA
IOH = 6 IREF
0.85 V at 60
0
1
50
Rr = 475 1%, IREF = 2.32 mA
IOH = 6 IREF
0.71 V at 50
1
0
60
Rr = 475 1%, IREF = 2.32 mA
IOH = 4 IREF
0.56 V at 60
1
0
50
Rr = 475 1%, IREF = 2.32 mA
IOH = 4 IREF
0.47 V at 50
1
1
60
Rr = 475 1%, IREF = 2.32 mA
IOH = 7 IREF
0.99 V at 60
1
1
50
Rr = 475 1%, IREF = 2.32 mA
IOH = 7 IREF
0.82 V at 50
NOTE: The entries in boldface are the primary system configurations of interest. The outputs should be optimized for these configurations


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