FN6051.7 February 27, 2006 Pin Descriptions PIN FUNCTION RO Receiver output: If A > B by at least 0.2V, RO is high; If A < B by 0.2" />
參數(shù)資料
型號(hào): ISL81487LIB-T
廠(chǎng)商: Intersil
文件頁(yè)數(shù): 8/14頁(yè)
文件大小: 0K
描述: IC TXRX RS485/422 5V HS 8-SOIC
標(biāo)準(zhǔn)包裝: 2,500
類(lèi)型: 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù): 1/1
規(guī)程: RS422,RS485
電源電壓: 4.5 V ~ 5.5 V
安裝類(lèi)型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOICN
包裝: 帶卷 (TR)
3
FN6051.7
February 27, 2006
Pin Descriptions
PIN
FUNCTION
RO
Receiver output: If A > B by at least 0.2V, RO is high; If A < B by 0.2V or more, RO is low; RO = High if A and B are unconnected (floating).
RE
Receiver output enable. RO is enabled when RE is low; RO is high impedance when RE is high.
DE
Driver output enable. The driver outputs, Y and Z, are enabled by bringing DE high. They are high impedance when DE is low.
DI
Driver input. A low on DI forces output Y low and output Z high. Similarly, a high on DI forces output Y high and output Z low.
GND
Ground connection.
A/Y
±15kV HBM ESD Protected, RS-485/422 level, noninverting receiver input and non-inverting driver output. Pin is an input (A) if
DE = 0; pin is an output (Y) if DE = 1.
B/Z
±15kV HBM ESD Protected, RS-485/422 level, inverting receiver input and inverting driver output. Pin is an input (B) if DE = 0; pin is
an output (Z) if DE = 1.
VCC
System power supply input (4.5V to 5.5V).
Typical Operating Circuits
ISL8487E, ISL81487L, ISL81487E
0.1
F
+
D
R
7
6
8
1
2
3
4
5
VCC
GND
RO
RE
DE
DI
A/Y
B/Z
+5V
0.1
F
+
D
R
6
7
8
1
2
3
4
5
VCC
GND
RO
RE
DE
DI
A/Y
B/Z
+5V
RT
ISL8487E, ISL81487L, ISL81487E
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