參數(shù)資料
型號： AM79C989
廠商： Advanced Micro Devices, Inc.
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： Motor Driver IC; Supply Voltage Max:13.2V; Output Current Max:0.5A; Package/Case:8-SOIC; Driver Type:Motor; Leaded Process Compatible:No; Output Current:1.5A; Peak Reflow Compatible (260 C):No; Supply Voltage Min:3.8V
中文描述： 四路以太網(wǎng)交換器（QuEST的⑩）
文件頁數(shù)： 30/37頁
文件大?。?/td> 198K
代理商： AM79C989
30
Am79C989
P R E L I M I N A R Y
Note:
1. Parameter not tested.
Parameter
Symbol
Parameter Description
Test Conditions
Min
Max
Unit
Attachment Unit Interface (AUI) (continued)
V
ATH
Receive Data Differential Input
Threshold CI/DI
±
(Note 1)
-35
+35
mV
V
ASQ
DI
Threshold (Squelch)
±
and CI
±
Differential Input
-275
-160
mV
V
AIDV
DI
Voltage Range
±
and CI
±
Differential Mode Input
-2.5
+2.5
V
V
AICM
DI
±
and CI
±
Input Bias Voltage
I
IN
= 0 mA
V
DD
-3.0
V
DD
-1.0
V
10BASE-T Receive Interface
I
IRXD
Input Current at RXD
±
V
SSRX
<V
IN
<V
DD
-500
500
μ
A
R
RXD
RXD
±
Differential Input Resistance
(Note 1)
10
k
V
TIVB
RXD+, RXD- Open Circuit Input
Voltage (Bias)
I
IN
= 0 mA
V
DDTX
-3.0
V
DDTX
-1.5
V
V
TIDV
Differential Mode Input Voltage Range
(RXD
±
)
V
DDTX
= +5.0 V
-3.1
+3.1
V
V
TSQ+
RXD Positive Squelch Threshold
(Peak)
Sinusoid
5 MHz
≤
f
≤
10 MHz
300
520
mV
V
TSQ-
RXD Negative Squelch Threshold
(Peak)
Sinusoid
5 MHz
≤
f
≤
10 MHz
-520
-300
mV
V
THS+
RXD Post-Squelch Positive Threshold
(Peak)
Sinusoid
5 MHz
≤
f
≤
10 MHz
150
293
mV
V
THS-
RXD Post-Squelch Negative
Threshold (Peak)
Sinusoid
5 MHz
≤
f
≤
10 MHz
-293
-150
mV
V
LTSQ+
RXD Positive Squelch Threshold
(Peak). Extended Distance Mode.
Sinusoid
5 MHz
≤
f
≤
10 MHz
180
312
mV
V
LTSQ-
RXD Negative Squelch Threshold
(Peak). Extended Distance Mode.
Sinusoid
5 MHz
≤
f
≤
10 MHz
-312
-180
mV
V
LTHS+
RXD Post-Squelch Positive Threshold
(Peak). Extended Distance Mode.
Sinusoid
5 MHz
≤
f
≤
10 MHz
90
175
mV
V
LTHS-
RXD Post-Squelch Negative
Threshold (Peak). Extended Distance
Mode.
Sinusoid
5 MHz
≤
f
≤
10 MHz
-175
-90
mV
V
RXDTH
RXD Switching Threshold
(Note 1)
-35
35
mV
Power Supply Current
I
DDTX
Power Supply Current (All 10BASE-T
Ports Transmitting)
275
mA
相關(guān)PDF資料
PDF描述
AM79C989JC Quad Ethernet Switching Transceiver (QuEST⑩)
AM79C989JCT Quad Ethernet Switching Transceiver (QuEST⑩)
AM79C98 Twisted-Pair Ethernet Transceiver (TPEX)
AM79C98JC Twisted-Pair Ethernet Transceiver (TPEX)
AM79C98PC Twisted-Pair Ethernet Transceiver (TPEX)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AM79C989JC 制造商:Rochester Electronics LLC 功能描述:- Bulk
AM79C989JC/T 制造商:Rochester Electronics LLC 功能描述:- Bulk
AM79C989JCT 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Quad Ethernet Switching Transceiver (QuEST⑩)
AM79C98JC 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Twisted-Pair Ethernet Transceiver (TPEX)
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