参数资料
型号: ISL31485EIBZ
厂商: Intersil
文件页数: 20/24页
文件大小: 0K
描述: IC TXRX RS485 FAULT PROT 8SOIC
标准包装: 980
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-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOICN
包装: 管件
ISL31480E, ISL31483E, ISL31485E, ISL31486E
5
FN7638.2
Truth Tables
TRANSMITTING
INPUTS
OUTPUTS
RE
DE
DI
INV or DINV
Y
Z
X1
1
0
1
0
X1
0
1
X1
1
0
1
X1
0
1
0
X
High-Z
10
X
High-Z*
NOTE: *Low Power Shutdown Mode (See Note 13), except for
ISL31485E.
RECEIVING
INPUTS
OUTPUT
RE
DE (Half
Duplex)
DE (Full
Duplex)
A-B
INV or
RINV
RO
00
X
≥ -0.01V
0
1
00
X
≤ -0.2V
0
00
X
≤ 0.01V
1
00
X
≥ 0.2V
1
0
00
X
Inputs
Open or
Shorted
X1
10
0
X
High-Z*
11
1
X
High-Z
NOTE: *Low Power Shutdown Mode (See Note 13), except for
ISL31485E.
Typical Operating Circuits
ISL31486E HALF DUPLEX EXAMPLE (MSOP PIN NUMBERS SHOWN)
0.1F
+
D
R
7
8
9
1
2
4
5
6
VCC
GND
RO
RE
DE
DI
B/Z
A/Y
+5V
RT
0.1F
+
10
VL
+1.8V
INV
3
0.1F
+
D
R
8
7
9
1
2
4
5
6
VCC
GND
RO
RE
DE
DI
A/Y
B/Z
+5V
0.1F
+
10
VL
+1.8V
INV
3
THE IC ON THE LEFT HAS THE CABLE CONNECTIONS
SWAPPED, SO THE INV PIN IS STRAPPED HIGH TO
INVERT ITS RX AND TX POLARITY
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