参数资料
型号: ISL4486IU
厂商: Intersil
文件页数: 7/11页
文件大小: 0K
描述: IC TXRX RS-485 HS 40MBPS 8-MSOP
标准包装: 98
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: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-MSOP
包装: 管件
5
Test Circuits and Waveforms
FIGURE 1A. VOD AND VOC
FIGURE 1B. VOD WITH COMMON MODE LOAD
FIGURE 1. DC DRIVER TEST CIRCUITS
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
D
DE
DI
VCC
VOD
VOC
R
Z
Y
D
DE
DI
VCC
VOD
375
375
Z
Y
RD = 60
VCM
-7V to +12V
D
DE
DI
VCC
SIGNAL
GENERATOR
CL = 100pF
RDIFF
Z
Y
CL = 100pF
OUT (Y)
3V
0V
tPLH
1.5V
VOH
VOL
50%
tPHL
OUT (Z)
tPHL
VOH
VOL
50%
tPLH
DIFF OUT (Y - Z)
tR
+VOD
-VOD
90%
tF
10%
DI
SKEW =
|CROSSING PT. OF Y
↑ & Z↓ - CROSSING PT. OF Y↓ & Z↑|
D
DE
DI
CL
110
Z
Y
VCC
GND
SW
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
X
1/0
GND
50
tZL
Y/Z
X
0/1
VCC
50
SIGNAL
GENERATOR
OUT (Y, Z)
3V
0V
1.5V
VOH
0V
2.3V
VOH - 0.5V
tHZ
OUT (Y, Z)
VCC
VOL
2.3V
VOL + 0.5V
tLZ
DE
OUTPUT HIGH
OUTPUT LOW
tZL
tZH
ISL4486, ISL81486
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