參數(shù)資料
型號(hào): ISL4489EIB-T
廠商: INTERSIL CORP
元件分類: 通用總線功能
英文描述: Low Power, High Speed and Slew Rate Limited, Full Duplex, RS-485/RS-422 Transceivers
中文描述: LINE TRANSCEIVER, PDSO14
封裝: PLASTIC, MS-012AB, SOIC-14
文件頁數(shù): 6/12頁
文件大?。?/td> 477K
代理商: ISL4489EIB-T
6
FN6074.2
Test Circuits and Waveforms
FIGURE 1. DRIVER V
OD
AND V
OC
FIGURE 2A. TEST CIRCUIT
FIGURE 2B. MEASUREMENT POINTS
FIGURE 2. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES
D
DE
DI
V
CC
V
OD
V
OC
R
R
Z
Y
D
DE
DI
V
CC
SIGNAL
GENERATOR
C
L
= 100pF
R
DIFF
Z
Y
C
L
= 100pF
OUT (Y)
3V
0V
t
PLH
1.5V
1.5V
V
OH
V
OL
50%
50%
t
PHL
OUT (Z)
t
PHL
V
OH
V
OL
50%
50%
t
PLH
DIFF OUT (Y - Z)
t
R
+V
OD
-V
OD
90%
90%
t
F
10%
10%
DI
SKEW = |t
PLH
(Y or Z) - t
PHL
(Z or Y)|
ISL4489E, ISL4491E
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