+/+…when timing is critical
C9829B
Low EMI Clock Generator for Intel 133MHz/3DIMM Chipset Systems
Approved Product
AC Parameters
133 MHz Host
100 MHz Host
66 MHz Host
Symbol
Parameter
Units
Min
7.5
1.87
1.67
0.4
-
Max
8.0
-
Min
10.0
3.0
2.8
0.4
-
Max
10.5
-
Min
15.0
5.2
5.0
0.4
-
Max
15.5
-
TPeriod
THIGH
TLOW
Tr / Tf
CPU(0:1) period1,2
nS
nS
nS
nS
pS
pS
nS
nS
nS
nS
pS
pS
nS
nS
nS
nS
pS
nS
nS
nS
nS
pS
pS
nS
nS
nS
nS
pS
pS
nS
CPU(0:1) high time6
CPU(0:1) low time7
-
-
-
CPU(0:1) rise and fall times3
CPU0 to CPU Skew2,5
1.6
175
250
8.0
-
1.6
175
250
10.5
-
1.6
175
250
10.5
-
TSKEW
TCCJ
CPU(0:1) Cycle to Cycle Jitter2,5
SDRAM(0:12) period1,2
SDRAM(0:12) high time16
SDRAM(0:12) low time7
SDRAM(0:12) rise and fall times3
(Any SDRAM) to (any SDRAM) Skew2,5
SDRAM(0:12) Cycle to Cycle Jitter2,5
IOAPIC period1,2
IOAPIC high time6
IOAPIC low time7
IOAPIC rise and fall times3
IOAPIC Cycle to Cycle Jitter2,5
3V66-(0:2) period1,2
3V66-(0:2) high time6
3V66-(0:2) low time7
3V66-(0:2) rise and fall times3
(Any 3V66) to (any 3V66) Skew2,5
3V66-(0:2) Cycle to Cycle Jitter2,5
PCI(0:6) period1,2
-
-
-
TPeriod
THIGH
TLOW
Tr / Tf
7.5
1.87
1.67
0.4
-
10.0
3.0
2.8
0.4
-
10.0
3.0
2.8
0.4
-
-
-
-
1.6
250
250
-
1.6
250
250
-
1.6
250
250
-
TSKEW
TCCJ
-
-
-
TPeriod
THIGH
TLOW
Tr / Tf
30.0
12.0
12.0
0.4
-
30.0
12.0
12.0
0.4
-
30.0
12.0
12.0
0.4
-
-
-
-
-
-
-
1.6
500
16.0
-
1.6
500
16.0
-
1.6
500
16.0
-
TCCJ
TPeriod
THIGH
TLOW
Tr / Tf
15.0
5.25
5.05
0.5
-
15.0
5.25
5.05
0.5
-
15.0
5.25
5.05
0.5
-
-
-
-
2.0
175
500
-
2.0
175
500
-
2.0
175
500
-
TSKEW
TCCJ
-
-
-
TPeriod
THIGH
TLOW
Tr / Tf
30.0
12.0
12.0
0.5
-
30.0
12.0
12.0
0.5
-
30.0
12.0
12.0
0.5
-
PCI(0:6) period6
-
-
-
PCI(0:6) low time7
-
-
-
PCI(0:6) rise and fall times3
(Any PCI) to (Any PCI) Skew2,5
PCI(0:6) Cycle to Cycle Jitter2,5
2.0
500
500
2.0
500
500
2.0
500
500
TSKEW
TCCJ
-
-
-
TPeriod
DOT & USB period (conforms to +167ppm
max) 1,2
DOT & USB rise and fall times3
DOT & USB Cycle to Cycle Jitter2,5
20.8299 20.8333 20.8299 20.8333 20.829 20.833
Tr / Tf
TCCJ
1.0
-
4.0
1.0
-
4.0
1.0
-
4.0
nS
pS
500
500
500
INTERNATIONAL MICROCIRCUITS, INC. 525 LOS COCHES ST.,
MILPITAS, CA 95035, USA. TEL: 408-263-6300, FAX 408-263-6571
http://www.imicorp.com
Rev 1.3
4/12/2000
Page 16 of 20
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