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UPD4715A の電気的特性と機能

UPD4715A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 UPD4715A
部品説明 RS-232 LINE DRIVER/RECEIVER
メーカ NEC
ロゴ NEC ロゴ 




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UPD4715A Datasheet, UPD4715A PDF,ピン配置, 機能
DATA SHEET
MOS INTEGRATED CIRCUIT
µPD4715A
RS-232 LINE DRIVER/RECEIVER
The µPD4715A is a high-voltage silicon gate CMOS line driver/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 µPD4715A is provided with five output driver circuits and three 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
µPD4715ACY
µPD4715AGT
Package
28-pin plastic DIP (400 mil)
28-pin plastic SOP (375 mil)
Document No.S10323EJ3V1DS00 (3rd edition)
Date Published April 1997 N
Printed in Japan
© 1995

1 Page





UPD4715A pdf, ピン配列
TRUTH TABLE
Drivers
STBY DCON DIN DOUT
Remark
H X X Z Standby mode (DC-DC converter stops)
L L X L Mark level output
L H L H Space level output
L H H L Mark level output
Receivers
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
A mode
A mode
RIN2 to RIN3
A mode
B mode
H: high level, L: low level, Z: high impedance, X: H or L
µPD4715A
3


3Pages


UPD4715A 電子部品, 半導体
µPD4715A
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
Note 5. Test Point
Standby input
5V
0V
tPLH
10 %
3V
–3 V
SR
1.5 V
10 %
90 %
1.5 V
tPHL
3V
–3 V
90 %
SR
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 : 12 ページ
 
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共有リンク

Link :


部品番号部品説明メーカ
UPD4715A

RS-232 LINE DRIVER/RECEIVER

NEC
NEC
UPD4715ACY

RS-232 LINE DRIVER/RECEIVER

NEC
NEC
UPD4715AGT

RS-232 LINE DRIVER/RECEIVER

NEC
NEC


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