參數(shù)資料
型號(hào): ISL3174EIBZ
廠商: Intersil
文件頁(yè)數(shù): 13/19頁(yè)
文件大?。?/td> 0K
描述: TXRX ESD 3.3V RS-485/422 8-SOIC
產(chǎn)品培訓(xùn)模塊: Solutions for Industrial Control Applications
標(biāo)準(zhǔn)包裝: 98
類型: 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: 3 V ~ 3.6 V
安裝類型: 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: 管件
產(chǎn)品目錄頁(yè)面: 1240 (CN2011-ZH PDF)
3
FN6307.5
June 8, 2012
Truth Tables
TRANSMITTING
INPUTS
OUTPUTS
RE
DE
DI
Z
Y
X
1101
X
1010
0
X
High-Z
1
0
X
High-Z *
NOTE: *Shutdown Mode (See Note 10), except for ISL3171E,
ISL3174E, ISL3177E
Truth Tables (continued)
RECEIVING
INPUTS
OUTPUT
RE
DE
Half Duplex
DE
Full Duplex
A-B
RO
00
X
≥ -0.05V
1
00
X
≤ -0.2V
0
X
Inputs
Open/Shorted
1
0
X
High-Z *
1
X
High-Z
NOTE: *Shutdown Mode (See Note 10), except for ISL3171E,
ISL3174E, ISL3177E
Pin Descriptions
PIN
FUNCTION
RO
Receiver output: If A-B
≥ -50mV, RO is high; If A-B ≤ -200mV, RO is low; RO = High if A and B are unconnected (floating) or shorted.
RE
Receiver output enable. RO is enabled when RE is low; RO is high impedance when RE is high. If the Rx enable function isn’t
required, connect RE directly to GND or through a 1k
Ω to 3kΩ resistor to GND.
DE
Driver output enable. The driver outputs, Y and Z, are enabled by bringing DE high, and are high impedance when DE is low. If the
Tx enable function isn’t required, connect DE to VCC through a 1kΩ to 3kΩ resistor.
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 IEC61000 ESD Protected RS-485/422 level, noninverting receiver input and noninverting driver output. Pin is an input if
DE = 0; pin is an output if DE = 1.
B/Z
±15kV IEC61000 ESD Protected RS-485/422 level, Inverting receiver input and inverting driver output. Pin is an input if DE = 0;
pin is an output if DE = 1.
A
±15kV
IEC61000 ESD Protected RS-485/422 level, noninverting receiver input.
B
±15kV
IEC61000 ESD Protected RS-485/422 level, inverting receiver input.
Y
±15kV
IEC61000 ESD Protected RS-485/422 level, noninverting driver output.
Z
±15kV
IEC61000 ESD Protected RS-485/422 level, inverting driver output.
VCC
System power supply input (3.0V to 3.6V).
NC
No Connection.
ISL3170E, ISL3171E, ISL3172E, ISL3173E, ISL3174E, ISL3175E,ISL3176E, ISL3177E, ISL3178E
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