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UPD4714AGT の電気的特性と機能

UPD4714AGTのメーカーはNECです、この部品の機能は「RS-232 LINE DRIVER/RECEIVER」です。


製品の詳細 ( Datasheet PDF )

部品番号 UPD4714AGT
部品説明 RS-232 LINE DRIVER/RECEIVER
メーカ NEC
ロゴ NEC ロゴ 




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UPD4714AGT Datasheet, UPD4714AGT PDF,ピン配置, 機能
DATA SHEET
MOS INTEGRATED CIRCUIT
µPD4714A
RS-232 LINE DRIVER/RECEIVER
The µPD4714A is a high-voltage silicon gate CMOS line dirver/reciever conforming to the EIA/TIA-232-E standard.
It can operate with a single +5 V power source because it is provided with a DC-DC converter. In addition, this line
driver/receiver has many ancillary functions, including output control, threshold select, and standby functions.
Because the µPD4714A is provided with three output driver circuits and five receiver circuits, it can constitute an RS-
232 interface circuit with a single chip.
FEATURES
• Conforms to EIA/TIA-232-E (RS-232C) standard
• +5 V single power source
• Threshold select pin selecting two types of threshold voltages
• Standby mode can be set by making standby pin high to reduce circuit current.
• Three-state output configuration. Both driver and receiver outputs go into high-impedance state in standby mode.
ORDERING INFORMATION
Part Number
µPD4714ACY
µPD4714AGT
Package
28-pin plastic DIP (400 mil)
28-pin plastic SOP (375 mil)
Document No. S10322EJ3V1DS00 (3rd edition)
Date Published April 1997 N
Printed in Japan
© 1995

1 Page





UPD4714AGT pdf, ピン配列
TRUTH TABLE
Drivers
STBY
H
L
L
L
DCON
X
L
H
H
Receivers
DIN DOUT Remark
X Z Standby mode (DC-DC converter stops)
X L Mark level output
L H Space level output
H L Mark level output
STBY
H
L
L
RIN
X
L
H
ROUT
Z
H
L
Remark
Stanby mode (DC-DC converter stops)
Mark level input
Space level input
Receiver input threshold voltage
RCON
L
H
RIN1 to RIN3
A mode
A mode
RIN4 to RIN5
A mode
B mode
H: high level, L: low level, Z: high impedance, X: H or L
µPD4714A
3


3Pages


UPD4714AGT 電子部品, 半導体
µPD4714A
Note 4. Test point
If the output control pin is made low, the driver output goes low regardless of the driver input state.
6 ns 6 ns
Driver input
5V
90 %
1.5 V
0V
10 %
Driver output
VOH
VOL
tPLH
10 %
3V
–3 V
SR
10 %
90 %
1.5 V
tPHL
3V
–3 V
90 %
SR
Note 5. Test Point
Standby input
5V
0V
1.5 V
1.5 V
Driver output
VOH
VOL
+5 V
–5 V
High impedance
+5 V
–5 V
tDAZ
tDZA
Do not perform communication within the standby output transition time tDZA on power application or on releasing
the standby mode.
6

6 Page



ページ 合計 : 16 ページ
 
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部品番号部品説明メーカ
UPD4714AGT

RS-232 LINE DRIVER/RECEIVER

NEC
NEC


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