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參數(shù)資料
| 型號： | CBTU0808 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Dual lane PCI Express port multiplexer |
| 中文描述： | 雙通道PCI Express端口復(fù)用器 |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 86K |
| 代理商： | CBTU0808 |
CBTU0808_1
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 01 — 2 June 2006
5 of 16
Philips Semiconductors
CBTU0808
Dual lane PCI Express port multiplexer
7.
Functional description
7.1 Functional description
7.1.1
General information
The CBTU0808 Dual lane PCI Express port multiplexer is designed to allow port switching
of up to two PCI Express lanes (each including a Transmit and Receive channel)
according to three switch configuration settings (described in
Section 7.1.2.1
). The basic
switch element of the CBTU0808 is designed integrally with its package and chip
interconnect to present an optimum characteristic on-impedance when used in a
PCI Express signaling environment, and to provide high off-port isolation and low
crosstalk.
7.1.2
Functional information
The following paragraphs describe the control and configuration possibilities available in
the CBTU0808.
7.1.2.1
Switch configuration
The position of the port switches is controlled by CMOS input signals CTRL[1:0] and can
be overridden by CMOS input TEST0 to disconnect (open) all ports between source and
destination. For a given lane, the switch positions are always identical between transmit
and receive channels. Lane 0 is controlled by CTRL0 and Lane 1 is controlled by CTRL1.
The truth table for the switch position as a function of these inputs is shown in
Table 3
.
[1]
n is the Lane number (0 or 1).
[2]
CTRL1 or CTRL0 = HIGH.
Table 3.
Inputs
CTRLn
[1]
Switch configuration truth table
Function
TEST0
Source ports
[1]
Destination ports
A
R
on
high-Z
high-Z
high-Z
high-Z
high-Z
Comment
B
high-Z
R
on
R
on
high-Z
high-Z
high-Z
LOW
LOW
An
Bn
An
Bn
An
Bn
SA:DA/SB:DB
(Dual Through mode)
HIGH
[2]
LOW
SA:DB
(Single Cross mode)
LOW
HIGH
All ports open-circuit
(Disconnect mode)
> LOW
HIGH
Test mode for internal use only
do not use
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|---|---|
| CBTU0808EE/G | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Dual lane PCI Express port multiplexer |
| CBTU0808EE/G,518 | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 DUAL LN PCI EXPRESS RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| CBTU0808EE/G-T | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 DUAL LN PCI EXPRESS PORT MUX RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| CBTU4411_09 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:11-bit DDR2 SDRAM MUX/bus switch with 12 W ON resistance |
| CBTU4411EE | 功能描述:數(shù)字總線開關(guān) IC 10BIT DDR SDRAM MUX BUS SWITCH RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:24 傳播延遲時間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel |
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