MC74ACT640NG ON Semiconductor, MC74ACT640NG Datasheet

IC TRANSCEIVER 3ST 8BIT 20DIP

MC74ACT640NG

Manufacturer Part Number
MC74ACT640NG
Description
IC TRANSCEIVER 3ST 8BIT 20DIP
Manufacturer
ON Semiconductor
Series
74ACTr
Datasheet
1.MC74ACT640MEL.pdf (6 pages)

Specifications of MC74ACT640NG

Logic Type
Transceiver, Inverting
Number Of Elements
1
Number Of Bits Per Element
8
Current - Output High, Low
24mA, 24mA
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
20-DIP (0.300", 7.62mm)
Logic Family
ACT
Number Of Channels Per Chip
8
Input Level
TTL
Output Level
CMOS
Output Type
3-State
High Level Output Current
- 24 mA
Low Level Output Current
24 mA
Propagation Delay Time
8 ns
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Maximum Operating Temperature
+ 85 C
Function
Bus Transceiver
Input Bias Current (max)
8 uA
Maximum Power Dissipation
750 mW
Minimum Operating Temperature
- 40 C
Mounting Style
Through Hole
Number Of Circuits
8
Polarity
Inverting
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
MC74ACT640NGOS
MC74ACT640
Octal 3−State Inverting
Transciever
asynchronous two-way communication between data buses. The
device transmits data from bus A to bus B when T/R = HIGH, or from
bus B to bus A when T/R = LOW. The enable input can be used to
disable the device so the buses are effectively isolated.
Features
•
•
•
•
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
*For additional information on our Pb−Free strategy and soldering details, please
TRUTH TABLE
© Semiconductor Components Industries, LLC, 2006
December, 2006 − Rev. 3
PIN ASSIGNMENT
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
PIN
A
OE
T/R
B
The MC74ACT640 octal bus transceiver is designed for
Bidirectional Data Path
A and B Outputs Sink 24 mA/Source −24 mA
TTL Compatible Inputs
Pb−Free Packages are Available*
0
0
V
T/R
−A
−B
20
CC
1
OE
H
L
L
L
L
7
7
Figure 1. Pinout: 20−Lead Packages Conductors
OE
19
A
2
0
FUNCTION
Side A Inputs or 3-State Outputs
Output Enable Input
Transmit/Receive Input
Side B Inputs or 3-State Outputs
T/R
B
18
A
X
H
H
L
L
3
0
1
B
A
17
4
1
2
Applied
Inputs
X
H
H
L
L
B
A
16
(Top View)
5
2
3
B
15
A
6
Direction
I/P→O/P
3
4
A to B
A to B
B to A
B to A
Valid
X
B
14
A
7
4
5
B
13
A
Output
8
5
6
X
H
H
L
L
B
12
A
9
6
7
1
GND
B
11
10
7
MC74ACT640N
MC74ACT640NG
MC74ACT640DW
MC74ACT640DWG
MC74ACT640DWR2
MC74ACT640DWR2G
MC74ACT640MEL
MC74ACT640MELG
†For information on tape and reel specifications,
See general marking information in the device marking
section on page 4 of this data sheet.
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
1
DEVICE MARKING INFORMATION
Device
ORDERING INFORMATION
1
1
http://onsemi.com
SOEIAJ−20 2000 / Tape &
SOEIAJ−20
(Pb−Free)
(Pb−Free)
(Pb−Free)
(Pb−Free)
SOIC−20
SOIC−20
SOIC−20
SOIC−20
PDIP−20
PDIP−20
Package
Publication Order Number:
DW SUFFIX
CASE 751D
SOEIAJ−20
SOIC−20W
CASE 738
M SUFFIX
CASE 967
MC74ACT640/D
N SUFFIX
PDIP−20
1000 / Tape &
1000 / Tape &
2000 / Tape &
18 Units/Rail
18 Units/Rail
38 Units/Rail
38 Units/Rail
Shipping
Reel
Reel
Reel
Reel
†

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MC74ACT640NG Summary of contents

Page 1

... SOIC−20W DW SUFFIX CASE 751D 1 SOEIAJ−20 M SUFFIX CASE 967 1 ORDERING INFORMATION Device Package Shipping MC74ACT640N PDIP−20 18 Units/Rail MC74ACT640NG PDIP−20 18 Units/Rail (Pb−Free) MC74ACT640DW SOIC−20 38 Units/Rail MC74ACT640DWG SOIC−20 38 Units/Rail (Pb−Free) MC74ACT640DWR2 SOIC−20 1000 / Tape & Reel MC74ACT640DWR2G SOIC− ...

Page 2

MAXIMUM RATINGS Symbol V DC Supply Voltage Input Voltage Output Voltage Input Diode Current Output Diode Current Output Sink/Source Current Supply Current ...

Page 3

DC CHARACTERISTICS Symbol Parameter V Minimum High Level Input Voltage IH V Maximum Low Level Input Voltage IL V Minimum High Level Output Voltage OH V Maximum Low Level Output Voltage OL I Maximum Input Leakage Current IN DI Additional ...

Page 4

INPUT 10 PHL 90% 50% 10% OUTPUT THL Figure 2. INPUT *Includes all probe and jig capacitance PDIP−20 20 MC74ACT640N AWLYYWWG 1 MC74ACT640 SWITCHING WAVEFORMS T/R ...

Page 5

SEATING PLANE 0.25 (0.010 20X 0. 18X A1 MC74ACT640 PACKAGE DIMENSIONS PDIP−20 N SUFFIX PLASTIC ...

Page 6

... Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303− ...

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