參數(shù)資料
型號(hào): ISL8491E
廠商: Intersil Corporation
英文描述: ±15kV ESD Protected, 5V, Low Power, High Speed and Slew Rate Limited, Full Duplex, RS-485/RS-422 Transceivers(±15kV ESD防護(hù),5V,低功率,,高速且轉(zhuǎn)換速率有限,全雙工,RS-485/RS-422收發(fā)器)
中文描述: ± 15kV的ESD保護(hù),5V,低功耗,高速率和轉(zhuǎn)換率受限的,全雙工,RS-485/RS-422收發(fā)器(± 15kV的ESD防護(hù),5V的,低功率,高速且轉(zhuǎn)換速率有限,全雙工,的RS-485/RS-422收發(fā)器)
文件頁(yè)數(shù): 7/13頁(yè)
文件大小: 468K
代理商: ISL8491E
7
FN6073.4
July 26, 2007
FIGURE 3A. TEST CIRCUIT
FIGURE 3B. MEASUREMENT POINTS
FIGURE 3. DRIVER ENABLE AND DISABLE TIMES (EXCLUDING ISL8488E, ISL8490E)
FIGURE 4A. TEST CIRCUIT
FIGURE 4B. MEASUREMENT POINTS
FIGURE 4. RECEIVER PROPAGATION DELAY
FIGURE 5A. TEST CIRCUIT
FIGURE 5B. MEASUREMENT POINTS
FIGURE 5. RECEIVER ENABLE AND DISABLE TIMES (EXCLUDING ISL8488E, ISL8490E)
Test Circuits and Waveforms
(Continued)
D
DE
DI
C
L
500
Ω
Z
Y
V
CC
GND
SW
PARAMETER OUTPUT
RE
DI
SW
C
L
(pF)
15
t
HZ
t
LZ
t
ZH
t
ZL
Y/Z
X
1/0
GND
Y/Z
X
0/1
V
CC
GND
15
Y/Z
X
1/0
100
Y/Z
X
0/1
V
CC
100
SIGNAL
GENERATOR
OUT (Y, Z)
3V
0V
1.5V
1.5V
V
OH
0V
2.3V
V
OH
- 0.5V
t
HZ
OUT (Y, Z)
V
CC
V
OL
2.3V
V
OL
+ 0.5V
t
LZ
DE
OUTPUT HIGH
OUTPUT LOW
t
ZL
t
ZH
SIGNAL
GENERATOR
R
RO
RE
A
B
+1.5V
15pF
RO
3V
0V
t
PLH
1.5V
1.5V
V
CC
0V
50%
50%
t
PHL
A
1k
Ω
V
CC
GND
SW
PARAMETER
t
HZ
t
LZ
t
ZH
t
ZL
DE
X
X
X
X
A
SW
GND
V
CC
GND
V
CC
+1.5V
-1.5V
+1.5V
-1.5V
SIGNAL
GENERATOR
R
RO
RE
A
B
15pF
RO
3V
0V
1.5V
1.5V
V
OH
0V
1.5V
V
OH
- 0.5V
t
HZ
RO
V
CC
V
OL
1.5V
V
OL
+ 0.5V
t
LZ
RE
OUTPUT HIGH
OUTPUT LOW
t
ZL
t
ZH
ISL8488E, ISL8489E, ISL8490E, ISL8491E
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ISL8490E ±15kV ESD Protected, 5V, Low Power, High Speed and Slew Rate Limited, Full Duplex, RS-485/RS-422 Transceivers(±15kV ESD防護(hù),5V,低功率,,高速且轉(zhuǎn)換速率有限,全雙工,RS-485/RS-422收發(fā)器)
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