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Low EMI Clock Generator for Intel
810E Chipset Systems
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
Page 13 of 18
http://www.cypress.com
APPROVED PRODUCT
C9812
Output Buffer Characteristics (Cont.)
Buffer Characteristics for PCI, 3V66 and DOT
Characteristic
Symbol
Min
Typ
Max
Units
Conditions
Pull-Up Current
IOH1
-33
-58
-194
mA
Vout =VDDC - 1.0 V
Pull-Up Current
IOH2
-30
-54
-184
mA
Vout = 1. 5 V
Pull-Down Current
IOL1
9.4
18
38
mA
Vout = 0.4 V
Pull-Down Current
IOL1
28
55
148
mA
Vout = 1.5 V
Dynamic Output Impedance
Z0
12
55
Ω
Rise Time Min
Between 0.4 and 2.4 V
Tr
0.5
-
2.0
nS
30pF Load
Fall Time Max
Between 0.4 and 2.4 V
Tf
0.5
-
2.0
nS
30pF Load
Buffer Characteristics for USB and REF
Characteristic
Symbol
Min
Typ
Max
Units
Conditions
Pull-Up Current
IOH1
-29
-46
-99
mA
Vout =VDD - 1.0 V
Pull-Up Current
IOH2
-27
-43
-92
mA
Vout = 1. 5 V
Pull-Down Current
IOL1
9
13
27
mA
Vout = 0.4 V
Pull-Down Current
IOL1
26
39
79
mA
Vout = 1.5 V
Dynamic Output Impedance
Z0
20
60
Ω
Rise Time Min
Between 0.4 and 2.4 V
Tr
1.0
-
4.0
nS
20pF Load
Fall Time Max
Between 0.4 and 2.4 V
Tf
1.0
-
4.0
nS
20pF Load
Buffer Characteristics for IOAPIC
Characteristic
Symbol
Min
Typ
Max
Units
Conditions
Pull-Up Current
IOH1
-28
-61
-107
mA
Vout =VDDI - 0.5V
Pull-Up Current
IOH2
-26
-58
-107
mA
Vout = 1. 0 V
Pull-Down Current
IOL1
12
24
40
mA
Vout = 0.4 V
Pull-Down Current
IOL1
28
60
100
mA
Vout = 1.4 V
Dynamic Output Impedance
Z0
13.5
45
Ω
Rise Time Min
Between 0.4 and 2.0 V
Tr
0.4
-
1.6
nS
20pF Load
Fall Time Max
Between 0.4 and 2.0 V
Tf
0.4
-
1.6
nS
20pF Load
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