参数资料
型号: ISL32470EIBZ-T
厂商: Intersil
文件页数: 2/19页
文件大小: 0K
描述: IC TXRX RS485 FAULT PROT 14SOIC
产品培训模块: Solutions for Industrial Control Applications
标准包装: 2,500
类型: 收发器
驱动器/接收器数: 1/1
规程: RS422,RS485
电源电压: 4.5 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
供应商设备封装: 14-SOIC
包装: 带卷 (TR)
ISL32470E, ISL32472E, ISL32475E, ISL32478E
10
FN7784.1
March 16, 2012
FIGURE 4A. TEST CIRCUIT
FIGURE 4B. MEASUREMENT POINTS
FIGURE 4. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES
FIGURE 5A. TEST CIRCUIT
FIGURE 5B. MEASUREMENT POINTS
FIGURE 5. DRIVER ENABLE AND DISABLE TIMES
FIGURE 6A. TEST CIRCUIT
FIGURE 6B. MEASUREMENT POINTS
FIGURE 6. DRIVER DATA RATE
Test Circuits and Waveforms (Continued)
D
DE
DI
VCC
SIGNAL
GENERATOR
RD
Z
Y
CD
OUT (Z)
0V
1.5V
VOH
VOL
OUT (Y)
tPLH
tPHL
DIFF OUT (Y - Z)
tR
+VOD
-VOD
90%
tF
10%
DI
SKEW = |tPLH - tPHL|
3V
PARAMETER
OUTPUT
RE
DI
SW
CL (pF)
tHZ
Y/Z
X
1/0
GND
50
tLZ
Y/Z
X
0/1
VCC
50
tZH
Y/Z
0 (Note 9)
1/0
GND
100
tZL
Y/Z
0 (Note 9)
0/1
VCC
100
tZH(SHDN)
Y/Z
1 (Note 12)
1/0
GND
100
tZL(SHDN)
Y/Z
1 (Note 12)
0/1
VCC
100
D
DE
DI
Z
Y
VCC
GND
SW
SIGNAL
GENERATOR
110
CL
OUT (Y, Z)
0V
1.5V
VOH
0V
VOH - 0.5V
tHZ
OUT (Y, Z)
VCC
VOL
VOL + 0.5V
tLZ
DE
OUTPUT LOW
tZL, tZL(SHDN)
tZH, tZH(SHDN)
2.3V
3V
(Note 11)
(Note 11)
(Note 11)
OUTPUT HIGH
D
DE
DI
VCC
SIGNAL
GENERATOR
Z
Y
CD
VOD
+
-
54
0V
DIFF OUT (Y - Z)
+VOD
-VOD
DI
0V
3V
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