參數(shù)資料
型號(hào): ISL8485E
廠商: Intersil Corporation
英文描述: ESD Protected to ±15kV, 5V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers(±15kV ESD防護(hù), 5V, 低功率, 高速或帶有限斜率功能的RS-485/RS-422收發(fā)器)
中文描述: ESD保護(hù)± 15kV的,5V,低功耗,高速或擺率限制,RS-485/RS-422收發(fā)器(± 15kV的ESD防護(hù),5V的,低功率,高速或帶有限斜率功能的RS-485/RS- 422收發(fā)器)
文件頁數(shù): 7/14頁
文件大?。?/td> 503K
代理商: ISL8485E
7
FIGURE 2A. TEST CIRCUIT
FIGURE 2B. MEASUREMENT POINTS
FIGURE 2. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES
FIGURE 3A. TEST CIRCUIT
FIGURE 3B. MEASUREMENT POINTS
FIGURE 3. DRIVER ENABLE AND DISABLE TIMES
Test Circuits and Waveforms
(Continued)
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)|
D
DE
DI
C
L
500
Z
Y
V
CC
GND
SW
(SHDN) FOR ISL8483E ONLY
PARAMETER OUTPUT
RE
DI
SW
C
L
(pF)
t
HZ
Y/Z
X
1 / 0
GND
15
t
LZ
Y/Z
X
0 / 1
V
CC
15
t
ZH
Y/Z
0 (Note 5)
1 / 0
GND
100
t
ZL
Y/Z
0 (Note 5)
0 / 1
V
CC
100
t
ZH(SHDN)
Y/Z
1 (Note 8)
1 / 0
GND
100
t
ZL(SHDN)
Y/Z
1 (Note 8)
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
ZL(SHDN)
NOTE 7
t
ZH
, t
ZH(SHDN)
NOTE 7
NOTE 7
ISL8483E, ISL8485E
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