C9577
Low EMI Clock Generator/Buffers for Pentium® II Systems
Preliminary
OUTPUT BUFFERS CHARACTERISTICS
TYPE TB40 BUFFER CHARACTERISTICS FOR CPU (1:4)
Characteristic
Symbol
Min
Typ
Max
Units
mA
Conditions
Vout =VDDC - 0.5V
Pull-Up Current
IOH1
IOH2
IOL1
IOL1
Tr, Tf
-22
-37
30
-
-
-
-
-
-
-
-
-
Pull-Up Current
mA
mA
mA
nS
Vout = 1.25 V
Vout = 0.4 V
Pull-Down Current
Pull-Down Current
Rise/Fall Time, @ 0.4V-2.0V
75
Vout = 1.2 V
0.4
1.6
See table 7 page 8
TYPE TB4 BUFFER CHARACTERISTICS FOR REF3 and PCI(1:7, _F)
Characteristic
Symbol
Min
Typ
Max
Units
mA
Conditions
Pull-Up Current
IOH1
IOH2
IOL1
IOL1
Tr, Tf
-18
-44
18
-
-
-
-
-
-
-
Vout =VDDC - 0.5V
Vout = 1. 5 V
Pull-Up Current
mA
mA
mA
nS
Pull-Down Current
Pull-Down Current
Rise/Fall Time, @ 0.4V-2.4V
-
Vout = 0.4 V
50
-
Vout = 1.5 V
0.4
2
See table 7 page 8
TYPE TB5 BUFFER CHARACTERISTICS FOR 48 MHz and REF(1:2)
Characteristic
Symbol
Min
Typ
Max
Units
mA
Conditions
Pull-Up Current
IOH1
IOH2
IOL1
IOL1
Tr, Tf
-13
-30
13
-
-
-
-
-
-
-
Vout =VDDC - 0.5V
Vout = 1. 5 V
Pull-Up Current
mA
mA
mA
nS
Pull-Down Current
Pull-Down Current
Rise/Fall Time, @ 0.4V-2.4V
-
Vout = 0.4 V
32
-
Vout = 1.5 V
0.4
3
See table 7 page 8
TYPE TB4 BUFFER CHARACTERISTICS FOR IOAPIC(1:2)
Characteristic
Symbol
Min
Typ
Max
Units
mA
Conditions
Pull-Up Current
IOH1
IOH2
IOL1
IOL1
Tr, Tf
-13
-22
18
-
-
-
-
-
-
-
-
-
Vout =VDDC - 0.5V
Vout = 1. 25 V
Vout = 0.4 V
Pull-Up Current
mA
mA
mA
nS
Pull-Down Current
Pull-Down Current
Rise/Fall Time, @ 0.4V-2.4V
50
Vout = 1.5 V
0.4
1.6
See table 7 page 8
VDD = 3.3V ±5%, VDDC = VDDI = 2.5 + 5%, TA = 0ºC to +70ºC
INTERNATIONAL MICROCIRCUITS, INC. 525 LOS COCHES ST.
MILPITAS, CA 95035 TEL: 408-263-6300 FAX 408-263-6571
Rev 1.5
4/22/1999
Page 7 of 10
CYPRESS [ CYPRESS ]
