Approved Product
C9870G
High Performance Pentium® 4 Clock Synthesizer
AC Parameters
Symbol
TDC
TPeriod
VHIGH
VLOW
Tr / Tf
TCCJ
Parameter
Xin Duty Cycle
Xin period
Xin High Voltage
Xin Low Voltage
Xin rise and fall
times
Xin Cycle to Cycle
Jitter
Any CPU to CPU
clock Skew
CPU Cycle to
Cycle Jitter
CPU and CPU#
Duty Cycle
CPU and CPU#
period
CPU and CPU#
rise and fall times
Rise.Fall Matching
Rise Time Variation
Fall Time Variation
crossing point
voltage at 0.7 V
swing
Any CPU to any
CPU clock Skew
CPU Cycle to
Cycle Jitter
CPU and CPU#
Duty Cycle
CPU and CPU#
period
CPU and CPU#
rise and fall times
Absolute Single-
ended rise/fall
waveform
symmetry
Cross point at 1.0
Volt swing
3V66 Duty Cycle
3V66 period
3V66 high time
3V66 low time
3V66 rise and fall
times
3V66 to 3V66 clock
skew
3V66 to 3V66 clock
skew
DRCG Cycle to
Cycle Jitter
66 MHz
Min
Max
47.5
69.841
.7Vdd
0
-
-
52.5
71.0
Vdd
.3Vdd
10.0
500
100 MHz
Min
Max
47.5
69.841
.7Vdd
0
-
-
52.5
71.0
Vdd
.3Vdd
10.0
500
133 MHz
Min
Max
47.5
69.841
.7Vdd
0
-
-
52.5
71.0
Vdd
.3Vdd
10.0
500
200 MHz
Min
Max
47.5
69.841
.7Vdd
0
-
-
52.5
71.0
Vdd
.3Vdd
10.0
500
Units
%
nS
Volts
Volts
nS
pS
Notes
1, 11, 14
1, 2, 4, 11
13
2, 5, 11
TSKEW
TCCJ
TDC
TPeriod
Tr / Tf
-
-
45
14.85
175
-
-
-
280
100
150
55
15.3
700
20%
125
125
430
CPU at 0.7 Volts Timing
-
100
-
-
45
9.85
175
-
-
-
280
150
55
10.2
700
20%
125
125
430
-
45
7.35
175
100
150
55
7.65
700
20%
125
125
430
-
100
150
pS
pS
%
nS
ps
-
ps
ps
mV
2, 5, 17
2, 17, 22
5, 17, 22
5, 17, 22
5, 6, 25
6, 21, 22
6, 22
6, 22
5, 22
45
4.85
175
-
-
280
55
5.1
700
20%
125
125
430
DeltaTr
DeltaTf
Vcross
-
-
280
TSKEW
TCCJ
TDC
TPeriod
Differential
Tr / Tf
SE-
DeltaSlew
-
-
45
14.85
175
100
150
55
15.3
467
325
CPU at 1.0 Volts Timing
-
100
-
-
45
9.85
175
150
55
10.2
467
325
-
45
7.35
175
100
150
55
7.65
467
325
-
100
150
pS
pS
%
nS
ps
ps
2, 5, 17
2, 17
5, 17
5, 17
5, 25
7, 26
45
4.85
175
55
5.1
467
325
Vcross
510
760
510
760
510
760
510
760
mV
26
TDC
TPeriod
THIGH
TLOW
Tr / Tf
Tskew
Unbuffered
Tskew
Buffered
TCCJ
45
15.0
4.95
4.55
0.5
-
-
-
55
15.3
-
-
2.0
500
250
250
45
15.0
4.95
4.55
0.5
-
-
-
55
15.3
-
-
2.0
500
250
250
45
15.0
4.95
4.55
0.5
-
-
-
55
15.3
-
-
2.0
500
250
250
45
15.0
4.95
4.55
0.5
-
-
-
55
15.3
-
-
2.0
500
250
250
%
nS
nS
nS
nS
pS
pS
pS
2, 4
1, 2, 4
19
20
3
2, 4
2, 4
2, 4
Cypress Semiconductor Corporation
http://www.cypress.com
Document#: 38-07108 Rev. *A
12/26/2002
Page 7 of 25
CYPRESS [ CYPRESS SEMICONDUCTOR ]
