UM375-084A UMC Corporation, UM375-084A Datasheet - Page 4

• Manufacturer Part Number: UM375-084A
• Description: TRi-STATE ProgrammaBle Encoder/Decoder
• Manufacturer: UMC Corporation

.-.
Pin Descriptions (Continued)
aD
-18OA
/AM
UM3758 UM3758 UM3758
22
23
24
12
13
14
15
16
17
16
19
20
21
g
L-a-4
-w-w-
Pin Number
-12OA
==
-SV
------
-.m---
10
11
12
13
14
15
16
17
18
9
-
---
==-
-
-
-120AM
9
-
10
11
-
12
13
14
15
16
17
20
18
19
Designation
TX/RX OUT
RXINP
VDD
A l 2
A l 3
A l 4
NC
NC
A l 5
A l 6
A l 7
Al8
o s c
vss
MODE
Address select line 12 is tri-state indicated as 0, 1
and open
No connection
Noconnection
Address select line 13 is tri-state indicated as 0, 1
Address select line 14 is tri-state indicated as 0, 1
Address select line 15 is tri-state indicated as 0, 1
and open
and open
and open
Address select line 16 is tri-state indicated as 0, 1
and open
Address select line 17 is tri-state indicated as 0, 1
and open
Address select line 16 is tri-state indicated as 0, 1
and open
connected from this pin to VDO and a capacitor to Vss
The ground pin for UM3756
This pin is used to select transmit or receive mode
R.C. input pin for Single pin oscillator. A resistor is
MODE
MODE - Vss : Decoder mode
circuit
decoder mode, this pin will switch to
Receiver input pin. Receives waveform from the detect
In encoder mode, this pin will transmit waveform; in
is OK
The positive power supply of UM3756
4
- VDO
: Encoder mode
Description
LOW
‘*’
if comparison
U M 3 7 5 8 Wies