+/+…when timing is critical
C9836
Low EMI Clock Generator for Intel Mobile 133MHz/2 SO-DIMM Chipset Systems
Preliminary
AC Parameters
133MHz Host
100MHz Host
66MHz 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) period5,6
CPU(0,1) high time10
CPU(0,1) low time11
ns
ns
ns
ns
ps
ps
ns
ns
ns
ns
-
-
-
CPU(0,1) rise and fall times7
Any CPU to any CPU Skew6,9
CPU(0,1) Cycle to Cycle Jitter6,9
1.6
150
250
10.5
-
1.6
150
250
10.5
-
1.6
150
250
10.5
-
TSKEW
TCCJ
-
-
-
TPeriod
THIGH
TLOW
Tr / Tf
SDRAM(0:3) 100MHz and DCLK period5,6
SDRAM(0:3) 100MHz and DCLK high time10
SDRAM(0:3) 100MHz and DCLK low time11
10.0
3.0
2.8
0.4
10.0
3.0
2.8
0.4
10.0
3.0
2.8
0.4
-
-
-
SDRAM(0:3) 100MHz and DCLK rise and
1.6
1.6
1.6
fall times7
TSKEW
TCCJ
SDRAM(0:3) 100MHz and DCLK Skew6,9
-
-
250
250
-
-
250
250
-
-
250
250
ps
ps
SDRAM(0:3) 100MHz, DCLK Cycle to Cycle
Jitter6,9
TPeriod
THIGH
TLOW
Tr / Tf
3V66-(0:2) period5,6
3V66-(0:2) high time10
15.0
5.25
5.05
0.5
-
16.0
-
15.0
5.25
5.05
0.5
-
16.0
-
15.0
5.25
5.05
0.5
-
16.0
-
ns
ns
ns
ns
ps
ps
ns
ns
ns
ns
ps
ps
ns
3V66-(0:2) low time11
-
-
-
3V66-(0:2) rise and fall times7
(Any 3V66) to (any 3V66) Skew6,9
3V66-(0:2) Cycle to Cycle Jitter6,9
PCI(_F,1:7) period5,6
PCI(_F, 1:7) high time10
PCI(_F, 1:7) low time11
PCI(_F, 1:7) rise and fall times7
(Any PCI) to (Any PCI) Skew6,9
PCI(_F, 1:7) Cycle to Cycle Jitter6,9
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
-
-
-
-
-
-
-
2.0
500
500
2.0
500
500
2.0
500
500
TSKEW
TCCJ
-
-
-
TPeriod
DOT (48M)
20.8299 20.8333 20.8299 20.8333 20.829 20.833
period (conforms to +167ppm max) 5,6
DOT rise and fall times7
Tr / Tf
TCCJ
1.0
-
4.0
1.0
-
4.0
1.0
-
4.0
ns
ps
DOT Cycle to Cycle Jitter6,9
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 1.0
3/30/2000
Page 14 of 20
CYPRESS [ CYPRESS ]
