APPROVED PRODUCT
C9812
Low EMI Clock Generator for Intel 810E Chipset Systems
AC Parameters
133 MHz Host
100 MHz Host
Symbol
Parameter
Units
Notes
Min
7.5
1.87
1.67
0.4
-
Max
8.0
-
Min
10.0
3.0
2.8
0.4
-
Max
10.5
-
TPeriod
THIGH
TLOW
Tr / Tf
CPU(0:1) period
CPU(0:1) high time
nS
nS
nS
nS
pS
pS
nS
nS
nS
nS
pS
nS
nS
nS
nS
pS
pS
nS
nS
nS
nS
pS
5, 6, 8
6,10
CPU(0:1) low time
-
-
6, 11
6, 7
CPU(0:1) rise and fall times
CPU0 to CPU1 Skew time
CPU(0:1) Cycle to Cycle Jitter
APIC(0:1) period
1.6
175
250
-
1.6
175
250
-
TSKEW
TCCJ
6, 8, 9
6, 8, 9
5, 6, 8
6,10
-
-
TPeriod
THIGH
TLOW
Tr / Tf
60.0
25.5
25.3
0.4
-
60.0
25.5
25.3
0.4
-
APIC(0:1) high time
-
-
APIC(0:1) low time
-
N/S
1.6
500
16.0
-
6, 11
6, 7
APIC(0:1) rise and fall times
APIC(0:1) Cycle to Cycle Jitter
3V66-(0:1) period
1.6
500
16.0
-
TCCJ
6, 8, 9
5, 6, 8
6,10
TPeriod
THIGH
TLOW
Tr / Tf
15.0
5.25
5.05
0.4
-
15.0
5.25
5.05
0.4
-
3V66-(0:1) high time
3V66-(0:1) low time
-
-
6, 11
6, 7
3V66-(0:1) rise and fall times
3V66-0 to 3V66-1 Skew time
3V66-(0:1) Cycle to Cycle Jitter
PCI(0:7) period
1.6
250
500
-
1.6
250
500
-
TSKEW
TCCJ
6, 8, 9
6, 8, 9
5, 6, 8
6,10
-
-
TPeriod
THIGH
TLOW
Tr / Tf
30.0
12.0
12.0
0.5
-
30.0
12.0
12.0
0.5
-
PCI(0:7) period
-
-
PCI(0:7) low time
-
-
6, 11
6, 7
PCI(0:7) rise and fall times
2.0
500
2.0
500
TSKEW
(Any PCI clock) to (Any PCI clock)
Skew time
6, 8, 9
TCCJ
PCI(0:7) Cycle to Cycle Jitter
-
500
-
500
pS
nS
6, 8, 9
5, 6, 8
TPeriod
48MHz period ( conforms to
+167ppm max)
20.8299 20.8333 20.8299 20.8333
Tr / Tf
TCCJ
48MHz rise and fall times
48MHz Cycle to Cycle Jitter
REF period
1.0
4.0
500
71.0
4.0
1.0
4.0
500
71.0
4.0
nS
pS
nS
nS
pS
nS
nS
mS
6, 7
6, 8, 9
5, 6, 8
6, 7
6, 8
13
-
69.8413
1.0
-
69.8413
1.0
TPeriod
Tr / Tf
REF rise and fall times
TCCJ
REF Cycle to Cycle Jitter
-
1000
10.0
10.0
3
-
1000
10.0
10.0
3
tpZL, tpZH
tpLZ, tpZH
tstable
Output enable delay (all outputs)
Output disable delay (all outputs)
All clock Stabilization from power-up
1.0
1.0
1.0
1.0
13
12
Cypress Semiconductor Corporation
525 Los Coches St.
Document#: 38-07053 Rev. **
05/03/01
Milpitas, CA 95035. Tel: 408-263-6300, Fax: 408-263-6571
http://www.cypress.com
Page 11 of 18
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