參數(shù)資料
型號: HD26C31
廠商: Hitachi,Ltd.
英文描述: Quadruple Differential Line Drivers With 3 State Outputs
中文描述: 四重差分線路驅(qū)動器,三態(tài)輸出
文件頁數(shù): 10/15頁
文件大?。?/td> 87K
代理商: HD26C31
HD26C31
10
HD26C31 Line Driver Applications
The HD26C31 is a line driver that meets the EIA RS-422A conditions, and has been designed to supply a
high current for differential signals to a bus line. Its features are listed below.
Operates on a single 5 V power supply.
High output impedance when power is off
Sink current and source current both 20 mA
On-chip power up/down protection circuit
As shown by the logic diagram, the enable function is common to all four drivers, and either active-high or
active-low can be selected.
The output section consists of two output stages (the Y side and Z side), each of which has the same sink
current and source current capacity.
Connection of a termination resistance when the HD26C31 is used as a balanced differential type driver is
shown.
Ta = 25
°
C
V
CC
= 5.5 V
V
CC
= 5.0 V
V
CC
= 4.5 V
Output Characteristics ("H" Level)
0
–20
Output Current I
OH
(mA)
–40
–60
–80
–100
1.0
2.0
3.0
4.0
5.0
O
O
Figure 1 I
OH
vs. V
OH
Characteristics
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