+/+…when timing is critical
C9810
Low EMI Clock Generator for Intel 810 Chipset for Mobile Applications
Advanced Information
IMI Confidential
Output Buffer Characteristics
CPU and IOAPIC
Characteristic
Symbol Min
Typ
-25
-58
24
Max
-40
Units
mA
mA
mA
mA
Ω
Conditions
Pull-Up Current
IOH1
IOH2
IOL1
IOL2
Z0
-12
-26
12
Vout =VDDC - 0.5V (or VDDI –0.5V)
Vout = 1.2 V
Pull-Up Current
-101
40
Pull-Down Current
Pull-Down Current
Dynamic Output Impedance
Vout = 0.4 V
27
56
93
Vout = 1.2 V
13.5
45
PCI, 3V66 and DOT
Characteristic
Symbol
IOH1
IOH2
IOL1
IOL2
Z0
Min
-33
-30
9.4
28
Typ
-58
-54
18
Max
Units
mA
mA
mA
mA
Ω
Conditions
Pull-Up Current
-194
-184
38
Vout =VDDC - 1.0 V
Vout = 1. 5 V
Vout = 0.4 V
Pull-Up Current
Pull-Down Current
Pull-Down Current
Dynamic Output Impedance
55
148
55
Vout = 1.5 V
12
USB and REF
Characteristic
Symbol
IOH1
IOH2
IOL1
IOL2
Z0
Min
-29
-27
9
Typ
-46
-43
13
Max
Units
mA
mA
mA
mA
Ω
Conditions
Pull-Up Current
-99
-92
27
Vout =VDD - 1.0 V
Vout = 1. 5 V
Vout = 0.4 V
Vout = 1.5 V
Pull-Up Current
Pull-Down Current
Pull-Down Current
Dynamic Output Impedance
26
39
79
20
60
Buffer Characteristics for SDRAM
Characteristic
Symbol
IOH1
IOH2
IOL1
IOL1
Z0
Min
-72
-68
23
Typ
-116
-110
34
Max
Units
mA
mA
mA
mA
Ω
Conditions
Pull-Up Current
-198
-188
53
Vout =VDD - 1. 0 V
Vout = 1. 4 V
Vout = 0.4 V
Pull-Up Current
Pull-Down Current
Pull-Down Current
Dynamic Output Impedance
64
98
159
24
Vout = 1.5 V
10
VDD=VDDS=3.3V ±5%, VDDC=VDDI=2.5±5%, TA=0 to 70ºC
INTERNATIONAL MICROCIRCUITS, INC. 525 LOS COCHES ST.
MILPITAS, CA 95035, USA TEL: 408-263-6300, FAX 408-263-6571
Rev 0.4
8/31/1999
Page 13 of 15
http://www.imicorp.com
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