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参数资料
| 型号： | IMISG570CYB |
| 厂商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封装： | SSOP-48 |
| 文件页数： | 3/14页 |
| 文件大小： | 176K |
| 代理商： | IMISG570CYB |
SG570
I
2C Frequency Clock Generator w/ EMI Reduction Spread Spectrum Technology
for Pentium Processor Based Designs.
Preliminary
INTERNATIONAL MICROCIRCUITS, INC. 525 LOS COCHES ST.
Rev.1.1
3/23/98
MILPITAS, CA 95035. TEL: 408-263-6300. FAX 408-263-6571
Page 11 of 14
TYPE 3 BUFFER CHARACTERISTICS FOR REF(1) 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
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