APPROVED PRODUCT
C9812
Low EMI Clock Generator for Intel 810E Chipset Systems
Output Buffer Characteristics (Cont.)
Buffer Characteristics for PCI, 3V66 and DOT
Characteristic
Symbol
IOH1
IOH2
IOL1
IOL1
Z0
Min
-33
-30
9.4
28
Typ
-58
-54
18
Max
-194
Units
mA
Conditions
Vout =VDDC - 1.0 V
Pull-Up Current
Pull-Up Current
-184
38
mA
Vout = 1. 5 V
Vout = 0.4 V
Vout = 1.5 V
Pull-Down Current
Pull-Down Current
Dynamic Output Impedance
mA
55
148
55
mA
12
Ω
Rise Time Min
Between 0.4 and 2.4 V
Fall Time Max
Tr
0.5
-
-
2.0
nS
30pF Load
30pF Load
Tf
0.5
2.0
nS
Between 0.4 and 2.4 V
Buffer Characteristics for USB and REF
Characteristic
Symbol
IOH1
IOH2
IOL1
IOL1
Z0
Min
-29
-27
9
Typ
-46
-43
13
Max
Units
mA
Conditions
Pull-Up Current
-99
-92
27
Vout =VDD - 1.0 V
Vout = 1. 5 V
Vout = 0.4 V
Pull-Up Current
mA
Pull-Down Current
Pull-Down Current
Dynamic Output Impedance
mA
26
39
79
mA
Vout = 1.5 V
20
60
Ω
Rise Time Min
Between 0.4 and 2.4 V
Fall Time Max
Tr
1.0
-
-
4.0
nS
20pF Load
20pF Load
Tf
1.0
4.0
nS
Between 0.4 and 2.4 V
Buffer Characteristics for IOAPIC
Characteristic
Symbol
IOH1
IOH2
IOL1
IOL1
Z0
Min
-28
-26
12
Typ
-61
-58
24
Max
Units
mA
mA
mA
mA
Ω
Conditions
Pull-Up Current
-107
-107
40
Vout =VDDI - 0.5V
Vout = 1. 0 V
Vout = 0.4 V
Pull-Up Current
Pull-Down Current
Pull-Down Current
Dynamic Output Impedance
28
60
100
45
Vout = 1.4 V
13.5
0.4
Rise Time Min
Between 0.4 and 2.0 V
Tr
-
-
1.6
nS
20pF Load
20pF Load
Fall Time Max
Tf
0.4
1.6
nS
Between 0.4 and 2.0 V
Cypress Semiconductor Corporation
525 Los Coches St.
Milpitas, CA 95035. Tel: 408-263-6300, Fax: 408-263-6571
http://www.cypress.com
Document#: 38-07053 Rev. **
05/03/01
Page 13 of 18
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