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SP3085 数据表(PDF) 2 Page - Shanghai Leiditech Electronic Technology Co., Ltd

部件名 SP3085
功能描述  RS-485 RS422 Transceiver
PDF  10 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  LEIDITECH [Shanghai Leiditech Electronic Technology Co., Ltd]
网页  http://www.leiditech.com
标志 LEIDITECH - Shanghai Leiditech Electronic Technology Co., Ltd

SP3085 数据表(HTML) 2 Page - Shanghai Leiditech Electronic Technology Co., Ltd

  SP3085 Datasheet HTML 1Page - Shanghai Leiditech Electronic Technology Co., Ltd SP3085 Datasheet HTML 2Page - Shanghai Leiditech Electronic Technology Co., Ltd SP3085 Datasheet HTML 3Page - Shanghai Leiditech Electronic Technology Co., Ltd SP3085 Datasheet HTML 4Page - Shanghai Leiditech Electronic Technology Co., Ltd SP3085 Datasheet HTML 5Page - Shanghai Leiditech Electronic Technology Co., Ltd SP3085 Datasheet HTML 6Page - Shanghai Leiditech Electronic Technology Co., Ltd SP3085 Datasheet HTML 7Page - Shanghai Leiditech Electronic Technology Co., Ltd SP3085 Datasheet HTML 8Page - Shanghai Leiditech Electronic Technology Co., Ltd SP3085 Datasheet HTML 9Page - Shanghai Leiditech Electronic Technology Co., Ltd Next Button
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background image
Block diagram
Pin description
Pins
Symbol
Function
attribute
1
RO
Receiver output:
IF A-B ≥-0.05V, RO is high;
IF A-B ≤-0.2V, RO is low;
IF A and B are dangling or short, RO is also high.
O
2
RE
Receiver output enable:
WHEN
RE is low, RO is enabled;
When RE is high, RO is at high impedance.
I
3
DE
Driver output enable:
Enable DE higher, the output of the driver,
Y and Z, are enabled; they are at high
impedance when DE are low.
I
4
DI
Driver input:
DI is low, A is low, B is high;
DI is high, A is high, B is low;
I
5
GND
Earth
6
A
The input of the receiver and the output of the driver.
I/O
7
B
The input of the receiver and the output of the driver.
I/O
8
VDD
Power supply
SP3085
www.leiditech.com
Rev 1.6 :01.01.2022
2/10



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