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| 型號(hào)： | PI5L100LE |
| 廠商： | Pericom |
| 文件頁(yè)數(shù)： | 11/13頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC ETHERNET SWITCH QUAD 20TSSOP |
| 產(chǎn)品變化通告： | Product Discontinuation Notice 22/Jan/2010 |
| 標(biāo)準(zhǔn)包裝： | 74 |
| 功能： | 以太網(wǎng)開(kāi)關(guān) |
| 電路： | 4 x 2:1 |
| 導(dǎo)通狀態(tài)電阻： | 11.2 歐姆 |
| 電壓電源： | 單電源 |
| 電壓 - 電源，單路/雙路(±)： | 6 V ~ 6.5 V |
| 電流 - 電源： | 100nA |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-TSSOP |
| 包裝： | 管件 |
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PI5L100
Wide-Bandwidth,Low-Voltage
LanSwitch Quad 2:1 Mux/Demux
7
PS7031F
09/17/04
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Figure 7. Crosstalk vs Frequency
DIV
10.00
24
6
8
1
2
4
6
8
1
2
NETWORK
A: REF
0.000
[dB]
B: REF
180.0
[deg]
MKR 10 074 746.057 Hz
T/R
519.486m
dB
θ
–90.2501
deg
RBW: 10 kHz
ST: 4.05 sec
RANGE: R = 0, T = 0dBm
PI5L100
XTALK 10 MHz, RL = 50 Ohm
DIV
36.00
START
STOP
1 000 000 . 000 Hz
300 000 000 . 000 Hz
0dB
–10dB
–20dB
–30db
–40dB
–50dB
–60dB
–70dB
–80dB
–90dB
–100dB
+180
+144
+108
+72
+36
0
–36
–72
–108
–144
–180
MAGNITUDE
PHASE
LANSwitchApplications
The PI5L100 was designed to switch between various standards
such as 10Base-T, 100Base-T, 100VG-AnyLAN, and Token Ring.
Also general purpose applications such as loopback, line termina-
tion, and line clamps that might normally use mechanical relays are
also ideal uses for this LAN Switch (see Figure 11 applications).
Generally speaking, this LAN Switch can be used for data rates to
200 Mbps and data signal levels from 0V to 4.5V.
LAN Standards
Data Rate per twisted pair (UTP)
10Base-T
10 Mbps
100Base-T
100 Mbps
100VG-AnyLAN
25 Mbps
Differential Crosstalk . . . XTALK(DIF)
Adjacent pins cause the most crosstalk because of the interlead
package capacitance which is generally in the order of 0.5pF (pin-
to-pin). It can be seen in Figure 11 that this Evaluation (EV) Board
schematic uses four pairs of switches. Pair 1B/2B are RX1 that
connect to YA and YB. The second pair, 3B/4B, are TX1 and connect
to YC and YB. Pairs 3 and 4 are grounded for this differential
crosstalk test. The purpose of this EV board is to determine the
amount of crosstalk between the transmit and receive pairs in a full
duplex application. Figure 15 shows the scope waveforms. Traces
Applications
1 and 2 are single ended inputs to the differential inputs of the DUT.
Trace 3 is the differential XTALK output which equates to 20LOG
VOUT/VIN = 20LOG 30 mV/5V = –44dB. Since the edge rate is 2ns,
the effective input frequency is equal to 0.3/tR which is ~150 MHz.
So the approximate Differential Crosstalk at 150 MHz is –44dB.
Because pins measured are not adjacent, the differential crosstalk
is typically > 60 dB at 10 MHz. The load resistor (RL) used was 100
( to match the UTP impedance). Increasing the data rate or RL will
also increase differential crosstalk.
VCC Bias Voltage vs RON
To keep RON to a minimum, it is recommended that the VCC voltage
be increased to a voltage between +6.0V and +6.5V (see Figure 13).
The RON vs. VIN curve shows the effect of on-resistance and input
voltage which is exponential. Ideally an input voltage between 0.2V
and 3.6V will keep RONin the flat part of the curve (RONor flatness
is ~2 ohms).
Signal Distortion
Distortion of the input signal is equated to 20LOG
RON/ RL. So
keeping RON flat as data signal level varies is critical to low
distortion. Also, increasing the data rate increases harmonic distor-
tion which also effects the signal amplitude.
EvaluationBoard
Figure 14 shows the layout for an EV board that can be used for
evaluation. This is a 2-layer board and is one-inch square.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PI5L100LEX | 功能描述:多路器開(kāi)關(guān) IC Quad 2:1 Multiplexer Demultiplexer RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:7 Ohms 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| PI5L100Q | 功能描述:IC ETHERNET SWITCH QUAD 16QSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 模擬開(kāi)關(guān)，多路復(fù)用器，多路分解器 系列:- 標(biāo)準(zhǔn)包裝:48 系列:- 功能:開(kāi)關(guān) 電路:4 x SPST - NO 導(dǎo)通狀態(tài)電阻:100 歐姆 電壓電源:單/雙電源 電壓 - 電源，單路/雙路(±):2 V ~ 12 V，±2 V ~ 6 V 電流 - 電源:50nA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:管件 |
| PI5L100QE | 功能描述:多路器開(kāi)關(guān) IC Quad 2:1 Multiplexer Demultiplexer RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:7 Ohms 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| PI5L100QEX | 功能描述:多路器開(kāi)關(guān) IC Quad 2:1 Multiplexer Demultiplexer RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:7 Ohms 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| PI5L100W | 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:Wide Bandwidth Low Voltage LanSwitch Quad 2:1 Mux/Demux |
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