SC670
I
2C Clock Generator for Pentium Notebook Designs.
Approved Product
INTERNATIONAL MICROCIRCUITS, INC. 525 LOS COCHES ST.
Rev.1.4
6/20/97
MILPITAS, CA 95035. TEL: 408-263-6300. FAX 408-263-6571
Page 10 of 12
TYPE 3 BUFFER CHARACTERISTICS FOR REF(1:2) and 48/24 MHz
Characteristic
Symbol
Min
Typ
Max
Units
Conditions
Pull-Up Current
IOH
-40
-53
-69
mA
Vout = 1.0 V
Pull-Up Current
IOH
-32
-42
-53
mA
Vout = 2.0 V
Pull-Down Current
IOL
37
47
58
mA
Vout = 1.2 V
Pull-Down Current
IOL
12
15
19
mA
Vout = 0.3 V
Rise/Fall Time Min Between 0.4 V and 2.4 V
TRFmin
1.0
-
nS
10 pF Load
Rise/Fall Time Max Between 0.4 V and 2.4 V
TRFmax
-
2.0
nS
20 pF Load
VDD = VDDQ3 =3.3V
±5%, VDDQ2 = 2.5V±5% , TA = 0C to +70C
TYPE 4 BUFFER CHARACTERISTICS FOR REF0 and SDRAM(0:7)
Characteristic
Symbol
Min
Typ
Max
Units
Conditions
Pull-Up Current
IOH
-94
-134
-188
mA
Vout = 1.0 V
Pull-Up Current
IOH
-74
-106
-148
mA
Vout = 2.0 V
Pull-Down Current
IOL
83
119
167
mA
Vout = 1.2 V
Pull-Down Current
IOL
26
38
53
mA
Vout = 0.3 V
Rise/Fall Time Min Between 0.4 V and 2.4 V
TRFmin
0.5
-
nS
20 pF Load
Rise/Fall Time Max Between 0.4 V and 2.4 V
TRFmax
-
2.0
nS
30 pF Load
VDD = VDDQ3 =3.3V
±5%, VDDQ2 = 2.5V±5% , TA = 0C to +70C
TYPE 5 BUFFER CHARACTERISTICS FOR PCICLK(0:5,F)
Characteristic
Symbol
Min
Typ
Max
Units
Conditions
Pull-Up Current
IOH
-94
-134
-188
mA
Vout = 1.0 V
Pull-Up Current
IOH
-74
-106
-148
mA
Vout = 2.0 V
Pull-Down Current
IOL
83
119
167
mA
Vout = 1.2 V
Pull-Down Current
IOL
26
38
53
mA
Vout = 0.3 V
Rise/Fall Time Min Between 0.4 V and 2.4 V
TRFmin
0.5
-
nS
15 pF Load
Rise/Fall Time Max Between 0.4 V and 2.4 V
TRFmax
-
2.0
nS
30 pF Load
VDD = VDDQ3 =3.3V
±5%, VDDQ2 = 2.5V±5% , TA = 0C to +70C