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參數(shù)資料
| 型號： | UM3758-180AM |
| 廠商： | United Microelectronics Corporation |
| 元件分類： | RS-232 |
| 英文描述： | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| 中文描述： | 5V的高速RS - 232收發(fā)器與0.1uF電容 |
| 文件頁數(shù)： | 4/18頁 |
| 文件大?。?/td> | 651K |
| 代理商： | UM3758-180AM |
UM3758
Pin Number
UM3758 UM3758 UM3758
-12OA
12
9
9
Designation
Al2
Description
Address select
and open
12 is tri-state indicated as 0, 1
10
NC
11
NC
13
Al3
No connection
Noconnection
Address select line 13 is tri-state indicated as 0, 1
and open
14
Al4
Address select line 14 is tri-state indicated as 0, 1
and open
10
12
Al5
Address select line 15 is tri-state indicated as 0,
1
and open
16
11
13
Al6
Address select line 16 is tri-state indicated as 0, 1
and open
17
12
14
Al7
Address select line 17 is tri-state indicated as 0, 1
and open
16
Address select
and open
16 is tri-state indicated as 0, 1
19
13
15
o s c
R.C. input pin for
connected from this pin to
pin oscillator. A resistor is
and a capacitor to Vss
20
16
vss
21
15
17
MODE
The ground pin for UM3756
This pin is used to select transmit or receive mode
MODE
:
MODE
Vss : Decoder mode
mode
22
16
RXINP
input pin. Receives waveform from the detect
circuit
23
17
19
OUT
In
mode, this pin will transmit waveform; in
mode, this pin will
to
LOW
if comparison
is OK
24
20
VDD
The positive power supply of UM3756
4
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