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参数资料
| 型号： | IMISC643AYB |
| 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： | 12/12页 |
| 文件大小： | 138K |
| 代理商： | IMISC643AYB |
SC643
I
2C Clock Generator for 3 DIMM, Pentium
II Designs
Approved Product
INTERNATIONAL MICROCIRCUITS, INC. 525 LOS COCHES ST.
Rev.1.6
6/20/97
MILPITAS, CA 95035. TEL: 408-263-6300. FAX 408-263-6571
Page 9 of 12
TYPE 1 BUFFER CHARACTERISTICS FOR CPU (0:3)
Characteristic
Symbol
Min
Typ
Max
Units
Conditions
Pull-Up Current
IOH
-91
-131
-183
mA
Vout = 1.0 V
Pull-Up Current
IOH
-43
-62
-89
mA
Vout = 2.0V
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 2.0 V
TRFmin
0.4
-
nS
10 pF Load
Rise/Fall Time Max
Between 0.4 V and 2.0 V
TRFmax
-
2.0
nS
20 pF Load
VDD = VDDQ3 =3.3V
±5%, VDDQ2 = 2.5 + 5%, TA = 0C to +70C
TYPE 2 BUFFER CHARACTERISTICS FOR IOAPIC
Characteristic
Symbol
Min
Typ
Max
Units
Conditions
Pull-Up Current
IOH
-91
-131
-183
mA
Vout = 1.0 V
Pull-Up Current
IOH
-43
-62
-87
mA
Vout = 2.0V
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 2.0 V
TRFmin
0.4
-
nS
10 pF Load
Rise/Fall Time Max
Between 0.4 V and 2.0 V
TRFmax
-
1.9
nS
20 pF Load
VDD = VDDQ3 =3.3V
±5%, VDDQ2 = 2.5 + 5%, TA = 0C to +70C
TYPE 3 BUFFER CHARACTERISTICS FOR REF0, REF1, 24MHZ, 48MHZ
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 = 2.0V
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 2.0 V
TRFmin
0.4
-
nS
10 pF Load
Rise/Fall Time Max
Between 0.4 V and 2.0 V
TRFmax
-
2.0
nS
20 pF Load
VDD = VDDQ3 =3.3V
±5%, VDDQ2 = 2.5 + 5%, TA = 0C to +70C
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相关代理商/技术参数 |
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| IMISC652EYB | 制造商:未知厂家 制造商全称:未知厂家 功能描述:CPU System Clock Generator |
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| IMISC660EYB | 制造商:International Microcircuits Inc 功能描述:LOW SKEW CLOCK DRIVER, PDSO28 |
| IMISC670DYB | 制造商:未知厂家 制造商全称:未知厂家 功能描述:CPU System Clock Generator |
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