am79c974 Advanced Micro Devices, am79c974 Datasheet - Page 135

• Manufacturer Part Number: am79c974
• Description: Pcnettm-scsi Combination Ethernet And Scsi Controller For Pci Systems
• Manufacturer: Advanced Micro Devices

Am79C974
PCnet
for PCI Systems
This amendment corrects a few minor inaccuracies and adds or clarifies a few sections. Minor corrections should be
made on the existing data sheets. However, for ease of use, pages with more than a word or two of corrections are
printed with this amendment.
Details:
Page 12
(Reprinted as page 5 of this amendment)
CONNECTION DIAGRAM
Pages 14–15
(Reprinted as pages 6, 7 of this amendment)
PIN DESIGNATIONS, Listed by Pin Number and Pin Name
Page 17
(Reprinted as page 8 of this amendment)
PIN DESIGNATIONS, Quick Reference Pin Description
PIN DESIGNATIONS, Listed By Driver Type
Change the IOH value for both TS3 and TS6 from –0.4 mA to –2.0 mA.
Change the names of the following power pins:
— Change from VDD3B to VDDB.
— Change from VSS3B to VSSB.
— Change from VDDB to VDDBS.
— Change from VSSB to VSSBS.
Change the names of the following power pins:
— Change from VDD3B to VDDB.
— Change from VSS3B to VSSB.
— Change from VDDB to VDDBS.
— Change from VSSB to VSSBS.
The number of each type of power pin is incorrect. The numbers should be:
— Change from VDD to VDD/DVDD, Digital Power, 5 pins
— Change from VDDB/VDD3B to VDDB/VDDBS, I/O Buffer Power, 5 pins
— Change from VSS to VSS/DVSS, Digital Ground, 9 pins
— Change from VSSB/VSS3B to VSSB/VSSBS, I/O Buffer Ground, 11 pins
AMENDMENT
TM
-SCSI Combination Ethernet and SCSI Controller
Publication# 18681
Issue Date: April 1994
Rev. A
Advanced
Devices
Amendment /1
Micro