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AM79C974 Datasheet(PDF) 121 Page - Advanced Micro Devices

Part # AM79C974
Description  PCnetTM-SCSI Combination Ethernet and SCSI Controller for PCI Systems
PDF  153 Pages
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Manufacturer  AMD [Advanced Micro Devices]
Direct Link  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM79C974 Datasheet(HTML) 121 Page - Advanced Micro Devices

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AMD
P R E L I M I N A R Y
121
Am79C974
To determine the value for the resistor and capacitor,
the formula is:
R * C
≥ 88
Where R is in ohms and C is in microfarads. Some pos-
sible combinations are given below. To minimize the
voltage drop across the resistor, the R value should not
be more than 20
Ω.
2.7
Ω
33
µF
4.3
Ω
22
µF
6.8
Ω
15
µF
10
Ω
10
µF
20
Ω
6.8
µF
RC
AVDD1 (Pin 103) and AVDD4 (Pin 91)
These pins provide power for the AUI and twisted-pair
receive circuitry. No specific decoupling has been nec-
essary on these pins.



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