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參數(shù)資料
| 型號(hào)： | AM7996DCB |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | 網(wǎng)絡(luò)接口 |
| 英文描述： | IEEE 802.3/Ethernet/Cheapernet Transceiver |
| 中文描述： | DATACOM, ETHERNET TRANSCEIVER, CDIP20 |
| 封裝： | CERAMIC, DIP-20 |
| 文件頁(yè)數(shù)： | 7/18頁(yè) |
| 文件大?。?/td> | 179K |
| 代理商： | AM7996DCB |
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AMD
7
Am7996
Figure 2 is an external component diagram showing
how to implement the transmit mode collision detect
levels recommended by IEEE 802.3. Figure 3 on the
following page shows how to implement the receive
mode collision detect levels recommended by
IEEE 802.3. Receive mode collision detect threshold
levels of the Am7996 are implemented by adding R9,
R10 and C4. For the values of the components shown in
Figure 3, a nominal receive mode collision detect
threshold of –1.5 V, for a –1.404 V to –1.581 V window,
is achieved.
Notes:
1.
2.
3.
4.
C
L
is the effective load capacitance across R6; C
C
is the compensation capacitance (C
C
= 1/3 C
L
).
D2 can be eliminated in Cheapernet (IEEE 802.3, 10BASE2) applications.
Shown with SQE Test disabled.
Discrete Power Supply or Hybrid-Hybrid DC-DC Converter Manufacturers include:
Ethernet (IEEE 802.3, 10BASE5)
Reliability: 2E12R9
Valor Electronics: PM1001
Cheapernet (IEEE 802.3, 10BASE2)
Reliability Inc: 2VP5U9
Valor Electronics: PM7102
The capacitance of C3, Am7996 package, D3 and the printed circuit board should add up to 180 pF
±
20%.
The capacitance of C1, Am7996 package and the printed circuit board should add up to 39 pF.
Figure 2 used for production testing of all parameters that are tested.
5.
6.
7.
07506E-5
COLL
RCV
XMT
1:1
1:1
1:1
Power (DTE)
(Note 3)
2
3
4
5
GND
–9 V
6
7
8
9
10
R1
40.2
1%
R2
40.2
1%
R3
174
9.09
1%
(Note 5)
1N4001
D3
C3
180 pF
(Note 1)
9.09
1%
1N4150
D2
D1
CC
R6
24.9 k
1%
CL
(Note 6)
C1
39 pF
C2
0.1
μ
F
1%
1%
R4
1.1 k
Coax
Connector
1
20
19
18
17
16
15
14
13
12
11
MAU Power Supply
(Note 4)
1%
(75
μ
H)
PE64102/PE64107 (or equivalent)
VCC1
CI+
CI–
DI+
DI–
VCREF
SQE^TEST
DO+
DO–
VEE
COLL OSC
VCC2
VCOL
NC
RXT
Tap
Shield
VTX-
TXT
VTX+
NC
R5
75 k
(Note 1)
(Note 2)
R8
Am7996
R7
Figure 2. Am7996 External Component Diagram for Transmit Mode Collision Detect
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AM7996DCTR | IEEE 802.3/Ethernet/Cheapernet Transceiver |
| AM7996JCB | IEEE 802.3/Ethernet/Cheapernet Transceiver |
| AM7996JCTR | IEEE 802.3/Ethernet/Cheapernet Transceiver |
| AM7996 | IEEE 802.3/Ethernet/Cheapernet Transceiver |
| AM7996PC | IEEE 802.3/Ethernet/Cheapernet Transceiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM7996DCTR | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:IEEE 802.3/Ethernet/Cheapernet Transceiver |
| AM7996DMB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LAN Transceiver |
| AM7996EVAL-HW | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Am7996EVAL-HW - Ethernet/Cheapernet Transceiver Evaluation Kit |
| AM7996JC | 制造商:Advanced Micro Devices 功能描述:LAN Transceiver, Single, 20 Pin, Plastic, PLCC |
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