am79c989 Advanced Micro Devices, am79c989 Datasheet - Page 3
am79c989
Manufacturer Part Number
am79c989
Description
Quad Ethernet Switching Transceiver
Manufacturer
Advanced Micro Devices
Datasheet
1.AM79C989.pdf
(37 pages)
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CONNECTION DIAGRAM
QRST/STRB
QINT/CI-
VSSAUI
PCI/CI+
VDDTX
REXT
DO+
VSS
DO-
DI+
DI-
7
8
9
10
11
12
13
14
15
16
17
18
6
P R E L I M I N A R Y
19 20 21 22
5 4
Am79C989
3 2
Am79C989
Version 2.0
44 PLCC
QuEST
23 24 25 26
1 44 43 42
27 28
41 40
39
38
37
30
36
35
34
33
32
31
29
VDD
RXD3+
RXD3-
RXD2+
RXD2-
VSSRX
RXD1+
RXD1-
RXD0+
RXD0-
VDDTX
21173B-2
3
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