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AM79C981 数据表(PDF) 2 Page - Advanced Micro Devices

部件名 AM79C981
功能描述  Integrated Multiport Repeater Plus??(IMR??
PDF  40 Pages
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制造商  AMD [Advanced Micro Devices]
网页  http://www.amd.com
标志 AMD - Advanced Micro Devices

AM79C981 数据表(HTML) 2 Page - Advanced Micro Devices

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AMD
PRELIMINARY
1–72
Am79C981
For application examples on building a fully managed
repeater using the IMR+ and HIMIB devices, refer to
AMD’s IEEE 802.3 Repeater Technical Manual
(PID#17314A) and the ISA-HUBTM User Manual
(PID # 17642A).
The device is fabricated in CMOS technology and re-
quires a single +5 V supply.
BLOCK DIAGRAM
RX
MUX
Phase =
Locked
Loop
FIFO
FIFO
Control
Preamble
Jam Sequence
Manchester
Encoder
IMR+ Chip
Control
Partitioning
Link Test
Timers
Manchester
Decoder
AUI
Port
DI
±
CI
±
DO
±
TP
Port
0
RXD
±
TXD
±
TXP
±
TP
Port
7
RXD
±
TXD
±
TXP
±
Reset
Clock
Gen
X1
X2
Expansion Port
REQ
ACK
COL
DAT
JAM
Test
and
Management
Port
SI
SO
RST
SCLK
TEST
CRS
STR
TX
MUX
17306B-1
RELATED AMD PRODUCTS
Part No.
Description
Am79C98
Twisted Pair Ethernet Transceiver (TPEX)
Am79C100
Twisted Pair Ethernet Transceiver Plus (TPEX+)
Am7996
IEEE 802.3/Ethernet/Cheapernet Transceiver
Am79C987
Hardware Implemented Management Information Base
™ (HIMIB™)
Am79C940
Media Access Controller for Ethernet (MACE
™)
Am7990
Local Area Network Controller for Ethernet (LANCE)
Am79C90
CMOS Local Area Network Controller for Ethernet (C-LANCE)
Am79C900
Integrated Local Area Communications Controller
™ (ILACC™)
Am79C960
PCnet-ISA Single-Chip Ethernet Controller (for ISA bus)
Am79C961
PCnet-ISA
+ Single-Chip Ethernet Controller for ISA (with Microsoft® Plug n’ Play® Support)
Am79C965
PCnet-32 Single-Chip 32-Bit Ethernet Controller
Am79C970
PCnet-PCI Single-Chip Ethernet Controller (for PCI bus)
Am79C974
PCnet-SCSI Combination Ethernet and SCSI Controller for PCI Systems



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