MC74ACT640MELG ON Semiconductor, MC74ACT640MELG Datasheet

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MC74ACT640MELG

Manufacturer Part Number
MC74ACT640MELG
Description
IC TRANSCVR TRI-ST 8BIT 20SOEIAJ
Manufacturer
ON Semiconductor
Series
74ACTr
Datasheet
1.MC74ACT640MEL.pdf (6 pages)

Specifications of MC74ACT640MELG

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
Surface Mount
Package / Case
20-SOIC (5.3mm Width), 20-SO, 20-SOEIAJ
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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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MC74ACT640MELG Summary of contents

Page 1

... SOIC−20 1000 / Tape & (Pb−Free) Reel MC74ACT640MEL SOEIAJ−20 2000 / Tape & Reel MC74ACT640MELG SOEIAJ−20 2000 / Tape & (Pb−Free) Reel †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D ...

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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