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參數資料
| 型號： | MC145407 |
| 廠商： | Motorola, Inc. |
| 英文描述： | 5 Volt Only Driver/ Receiver(5V 驅動器/接收器) |
| 中文描述： | 5伏，只有驅動器/接收器（5V的驅動器/接收器） |
| 文件頁數： | 1/8頁 |
| 文件大小： | 175K |
| 代理商： | MC145407 |
MC145407
MOTOROLA
1
Advance Information
EIA–232–E and CCITT V.28
The MC145407 is a silicon–gate CMOS IC that combines three drivers and
three receivers to fulfill the electrical specifications of EIA–232–E and CCITT
V.28 while operating from a single + 5 V power supply. A voltage doubler and
inverter convert the + 5 V to
±
10 V. This is accomplished through an on–board
20 kHz oscillator and four inexpensive external electrolytic capacitors. The
three drivers and three receivers of the MC145407 are virtually identical to
those of the MC145406. Therefore, for applications requiring more than three
drivers and/or three receivers, an MC145406 can be powered from an
MC145407, since the MC145407 charge pumps have been designed to
guarantee
±
5 V at the output of up to six drivers. Thus, the MC145407 provides
a high–performance, low–power, stand–alone solution or, with the MC145406,
a + 5 V only, high–performance two–chip solution.
Drivers
±
7.5 V Output Swing
300
Power–Off Impedance
Output Current Limiting
TTL and CMOS Compatible Inputs
Slew Rate Range Limited from 4 V/
μ
s to 30 V/
μ
s
Receivers
+ 25 V Input Range
3 to 7 k
Input Impedance
0.8 V Hysteresis for Enhanced Noise Immunity
Charge Pumps
+ 5 V to
±
10 V Dual Charge Pump Architecture
Supply Outputs Capable of Driving Three On–Chip Drivers and Three
Drivers on the MC145406 Simultaneously
Requires Four Inexpensive Electrolytic Capacitors
On–Chip 20 kHz Oscillator
This document contains information on a new product. Specifications and information herein are subject to change without notice.
Order this document
by MC145407/D
SEMICONDUCTOR TECHNICAL DATA
P SUFFIX
PLASTIC DIP
CASE 738
ORDERING INFORMATION
MC145407P
MC145407DW
Plastic DIP
SOG Package
DW SUFFIX
SOG PACKAGE
CASE 751D
20
1
20
1
R
R
D
R
D
D
C2+
GND
C2–
VSS
Rx1
Tx1
Rx2
Tx2
Rx3
Tx3
C1+
VCC
C1–
VDD
DO1
DI1
DO2
DI2
DO3
DI3
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
PIN ASSIGNMENT
D = DRIVER
R = RECEIVER
REV 1
10/95
相關PDF資料 |
PDF描述 |
|---|---|
| MC145407DW | UltraLow-Supply Current/Supply-Voltage Supervisory Circuits 6-SOT-23 -40 to 85 |
| MC145407P | UltraLow-Supply Current/Supply-Voltage Supervisory Circuits 6-SOT-23 -40 to 85 |
| MC14541BD | Programmable Timer |
| MC14541BCP | Programmable Timer |
| MC14541BD | Programmable Timer |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MC145407DW | 制造商:Motorola Inc 功能描述: 制造商:Motorola Inc 功能描述:Line Transceiver, 3-Driver, 3-Receiver, 20 Pin, Plastic, SOP |
| MC145407DWR2 | 制造商:Motorola Inc 功能描述:Line Transceiver, 3-Driver, 3-Receiver, 20 Pin, Plastic, SOP |
| MC145408DWR2 | 制造商:Freescale Semiconductor 功能描述:CMOS DRIVER/RECEIVER, 5 X 5 |
| MC145412P | 制造商:Motorola Inc 功能描述: |
| MC14541BCP | 功能描述:計時器和支持產品 LOG CMOS OSILATR TIMER RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內部定時器數量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
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