C9830
133 MHz Clock Generator for Intel 820 Chipset
Preliminary
Output Buffer Characteristics
Buffer Characteristics for CPU (0:2), CPU/2, IOAPIC (0:2)
Characteristic
Symbol
IOH1
IOH2
IOL1
IOL1
Z0
Min
-12
-26
12
Typ
Max
-43
Units Conditions
Pull-Up Current
-25
mA
mA
mA
mA
Ohm
ns
Vout =VDDCPU - 0.4V
Pull-Up Current
-58
24
56
-
-101
40
Vout = 1.2 V
Vout = 0.4 V
Vout = 1.2 V
Pull-Down Current
Pull-Down Current
27
93
Dynamic Output Impedance
Rise Time Min Between 0.4 and 2.0 V
Fall Time Max Between 0.4 and 2.0 V
13.5
0.4
0.4
45
Tr
-
1.6
1.6
20 pF Load
20 pF Load
Tf
-
ns
Buffer Characteristics for PCI(0:9), 3V66(0:2)
Characteristic
Symbol
IOH1
IOH2
IOL1
IOL1
Z0
Min
-19
-30
9.4
28
Typ
Max
Units Conditions
Pull-Up Current
-36
-54
18
55
-
-95
-184
38
mA
mA
mA
mA
Ohm
ns
Vout =VDD - 1.0 V
Pull-Up Current
Vout = 1. 5 V
Vout = 0.4 V
Vout = 1.5 V
Pull-Down Current
Pull-Down Current
148
55
Dynamic Output Impedance
Rise Time Min Between 0.4 and 2.4 V
Fall Time Max Between 0.4 and 2.4 V
12
Tr
0.5
-
-
2.0
2.0
30 pF Load
30 pF Load
Tf
-
nS
Buffer Characteristics for 24/48 MHz, 48 MHz, and HDREF
Characteristic
Symbol
IOH1
IOH2
IOL1
IOL1
Z0
Min
-18
-27
9
Typ
Max
Units Conditions
Pull-Up Current
-28
-58
-92
27
mA
mA
mA
mA
Ohm
ns
Vout =VDD - 1.0 V
Pull-Up Current
-43
13
39
-
Vout = 1. 5 V
Vout = 0.4 V
Vout = 1.5 V
Pull-Down Current
Pull-Down Current
26
79
Dynamic Output Impedance
Rise Time Min Between 0.4 and 2.4 V
Fall Time Max Between 0.4 and 2.4 V
20
60
Tr
1.0
1.0
-
4.0
4.0
20 pF Load
20 pF Load
Tf
-
ns
VDD = 3.3v ± 5%, VDDCPU = VDDIO = 2.5 ± 5%, TA = 0°C to + 70°C
INTERNATIONAL MICROCIRCUITS, INC. 525 LOS COCHES ST
MILPITAS, CA 95035, USA TEL: 408-263-6300. FAX 408-263-6571
http://www.imicorp.com/
Rev 1.1
4/25/2000
Page 11 of 14
CYPRESS [ CYPRESS ]
