參數(shù)資料
型號(hào): SN74GTLP1394PWR
元件分類: 通用總線功能
英文描述: Bus Exchanger
中文描述: 總線交換
文件頁(yè)數(shù): 9/16頁(yè)
文件大?。?/td> 234K
代理商: SN74GTLP1394PWR
SN74GTLP1394
2-BIT LVTTL-TO-GTLP ADJUSTABLE-EDGE-RATE BUS TRANSCEIVER
WITH SPLIT LVTTL PORT FEEDBACK PATH, AND SELECTABLE POLARITY
SCES286E
OCTOBER 1999
REVISED AUGUST 2001
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
DISTRIBUTED-LOAD BACKPLANE SWITCHING CHARACTERISTICS
The preceding switching characteristics table shows the switching characteristics of the device into a lumped load
(Figure 1). However, the designer
s backplane application probably is a distributed load. The physical representation
is shown in Figure 2. This backplane, or distributed load, can be approximated closely to a resistor inductance
capacitance (RLC) circuit, as shown in Figure 3. This device has been designed for optimum performance in this RLC
circuit. The following switching characteristics table shows the switching characteristics of the device into the RLC
load, to help the designer better understand the performance of the GTLP device in this typical backplane. See
www.ti.com/sc/gtlp for more information.
Drvr
1.5 V
.25
1
1
1
1.5 V
1
1
1
.25
Rcvr
Rcvr
Rcvr
Figure 2. High-Drive Test Backplane
Slot 1
Slot 2
Slot 19
Slot 20
Conn.
Conn.
Conn.
Conn.
ZO = 50
2
2
Figure 3. High-Drive RLC Network
From Output
Under Test
Test
Point
1.5 V
CL = 18 pF
11
LL = 14 nH
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