PI6C100 Просмотр технического описания (PDF) - Pericom Semiconductor
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PI6C100 Datasheet PDF : 13 Pages
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PI6C100
Precision Clock Synthesizer
for Desktop PCs
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Buffer Specifications
Buffer Name
CPU
VDD Range(V)
2.375 -2.625
Impedance (Ω)
13.5 - 45
Buffer Type
Type 1
APIC
2.375 -2.625
9 - 30
Type 2
48MHz, REF
3.135 - 3.465
20 - 60
Type 3
PCI
3.135 - 3.465
12 - 55
Type 4
Type 1: CPU Clock Buffers (2.5V)
Symbol
Parameters
Conditions
IOHMIN
IOHMAX
IOLMIN
IOLMAX
tRH
tFH
Pull-up current
VOUT = 1.0V
Pull-up current
VOUT = 2.375V
Pull-down current
VOUT = 1.2V
Pull-down current
VOUT = 0.3V
2.5V Type 1 output rise edge rate 2.5V + /-5% @ 0.4V-2.0V
2.5V Type 1 output fall edge rate 2.5V + /-5% @ 2.0V-0.4V
Min.
-27
27
1
1
Typ. Max. Units
-27
mA
30
4
V/ns
4
Type 2: APIC Buffers (2.5V)
Symbol
Parameters
IOHMIN
IOHMAX
IOLMIN
IOLMAX
Pull-up current
Pull-up current
Pull-down current
Pull-down current
Conditions
VOUT = 1.4V
VOUT = 2.5V
VOUT = 1.0V
VOUT = 0.2V
tRH
2.5V Type 2 output rise edge rate 2.5V ±5% @0.4V-2.0V
tFH
2.5V Type 2 output fall edge rate 2.5V ±5% @2.0V-0.4V
Min.
-36
36
1
1
Typ. Max. Units
-21
mA
31
4
V/ns
4
Type 3: 48MHz, REF Buffers (3.3V)
Symbol
Parameters
IOHMIN
IOHMAX
IOLMIN
IOLMAX
Pull-up current
Pull-up current
Pull-down current
Pull-down current
Conditions
VOUT = 1.0V
VOUT = 3.135V
VOUT = 1.95V
VOUT = 0.4V
Min.
-29
29
tRH
3.3V Type 3 output rise edge rate 3.3V ±5% @0.4V-2.4V 0.5
tFH
3.3V Type 3 output fall edge rate 3.3V ±5% @2.4V-0.4V 0.5
Typ. Max. Units
-23
mA
27
2
V/ns
2
205
PS8142A 10/13/98
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