参数资料
型号: WBLXT974BHCA8
厂商: CORTINA SYSTEMS INC
元件分类: 网络接口
英文描述: DATACOM, ETHERNET TRANSCEIVER, PQFP160
封装: ROHS COMPLIANT, PLASTIC, MS-002DD-1, HQFP-160
文件页数: 48/76页
文件大小: 1004K
代理商: WBLXT974BHCA8
LXT974/LXT975 — Fast Ethernet 10/100 Quad Transceivers
52
Datasheet
Table 29. 100BASE-FX Transceiver Characteristics
Parameter
Sym
Min
Typ
1
Max
Units
Test Conditions
Transmitter
Peak differential output voltage
(single ended)
VOP
0.6
1.5
V
Signal rise/fall time
TRF
1.6
ns
10 <–> 90%
2.0 pF load
Jitter (measured differentially)
1.3
ns
Receiver
Peak differential input voltage
VIP
0.55
1.5
V
Common mode input range
VCMIR
2.25
VCC - 0.5
V
1. Typical values are at 25 °C and are for design aid only; not guaranteed and not subject to production testing.
Table 30. 10BASE-T Transceiver Characteristics
Parameter
Sym
Min
Typ
1
Max
Units
Test Conditions
Transmitter
Peak differential
output voltage
VOP
2.2
2.5
2.8
V
With specified transformer, line
replaced by 100
Ω (±1%) resistor
Link transmit period
8
24
ms
Transmit timing jitter added by the
MAU and PLS sections2,3
–0
2
11
ns
After line model specified by IEEE
802.3 for 10BASE-T MAU
Receiver
Receive input impedance
2
ZIN
–3.6
k
Ω
Between TPIP and TPIN
Link min receive
2
7
ms
Link max receive
50
150
ms
Time link loss receive
50
150
ms
Differential squelch threshold
VDS
300
390
585
mV Peak
5 MHz square wave input
1. Typical values are at 25 °C and are for design aid only; not guaranteed and not subject to production testing.
2. Parameter is guaranteed by design; not subject to production testing.
3. IEEE 802.3 specifies maximum jitter addition at 1.5 ns for the AUI cable, 0.5 ns from the encoder, and 3.5 ns from the MAU.
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