+/+…when timing is critical
C9819
133 MHz I2C Clock Generator for Mobile Pentium®III / Rambus Systems
Preliminary
Test and Measurement Setup
Output under Test
Probe
Load Cap
3.3V signals
2.5V signals
tDC
tDC
-
-
-
-
3.3V
2.5V
2.4V
2.0V
1.5V
0.4V
1.25V
0.4V
0V
0V
Tr
Tf
Tr
Tf
Fig.7A
Fig.7B
Output Buffer Characteristics
Buffer Characteristics for CPU, CPU/2
Characteristic
Symbol
IOH1
IOH2
IOL1
IOL2
Z0
Min
Typ
-31
- 58
24
Max
-51
Units
mA
mA
mA
mA
Ω
Conditions
Conditions
Rev 1.0
Pull-Up Current
Pull-Up Current
Pull-Down Current
Pull-Down Current
Output Impedance
-17
-26
12
VDD-0.5
1.2V
-101
40
0.4V
27
56
93
1.2V
13.5
45
Buffer Characteristics for IOAPIC(0:1)
Characteristic
Symbol
IOH1
IOH2
IOL1
IOL2
Z0
Min
Typ
Max
Units
mA
mA
mA
mA
Ω
Pull-Up Current
Pull-Up Current
Pull-Down Current
Pull-Down Current
Output Impedance
-22.5
-39
18
-45
- 85
36
-74
-150
59
VDD-0.5
1.2V
0.4V
40
82
138
45
1.2V
13.5
INTERNATIONAL MICROCIRCUITS, INC 525 LOS COCHES ST.
MILPITAS, CA 95035, USA TEL: 408-263-6300 FAX 408-263-6571
11/1/1999
Page 13 of 17
http://www.imicorp.com
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