74AC540 Fairchild Semiconductor, 74AC540 Datasheet

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74AC540

Manufacturer Part Number
74AC540
Description
Octal Buffer/Line Driver with 3-STATE Outputs
Manufacturer
Fairchild Semiconductor
Datasheet

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© 2005 Fairchild Semiconductor Corporation
74AC540SC
74AC540SJ
74AC540MTC
74AC540PC
74AC540
Octal Buffer/Line Driver with 3-STATE Outputs
General Description
The AC540 is an octal buffer/line drivers designed to be
employed as memory and address drivers, clock drivers
and bus oriented transmitter/receivers.
These devices are similar in function to the AC240 while
providing flow-through architecture (inputs on opposite side
from outputs). This pinout arrangement makes these
devices especially useful as output ports for microproces-
sors, allowing ease of layout and greater PC board density.
Ordering Code:
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Pb-Free package per JEDEC J-STD-020B.
Logic Symbol
Truth Table
FACT
Order Number
¥
is a trademark of Fairchild Semiconductor Corporation.
Package Number
MTC20
IEEE/IEC
M20D
M20B
N20A
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
Pb-Free 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
H
L
OE
LOW Voltage Level
HIGH Voltage Level
H
X
L
L
1
Ds009966
Inputs
OE
H
X
L
L
2
Features
Connection Diagram
H
X
X
L
I
I
3-STATE inverting outputs
Inputs and outputs opposite side of package, allowing
easier interface to microprocessors
Output source/sink 24 mA
CC
Z
X
High Impedance
and I
Immaterial
Package Description
Outputs
OZ
reduced by 50%
H
L
Z
Z
November 1988
Revised March 2005
www.fairchildsemi.com

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74AC540 Summary of contents

Page 1

... Pb-Free 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74AC540MTC MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 74AC540PC N20A 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code. ...

Page 2

Absolute Maximum Ratings Supply Voltage ( Input Diode Current ( 0. 0. Input Voltage ( Output Diode Current (I ...

Page 3

AC Electrical Characteristics Symbol Parameter t Propagation Delay PLH Data to Output t Propagation Delay PHL Data to Output t Output Enable Time PZH t Output Enable Time PZL t Output Disable Time PHZ t Output Disable Time PLZ r ...

Page 4

Physical Dimensions inches (millimeters) unless otherwise noted 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide www.fairchildsemi.com Package Number M20B 4 ...

Page 5

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) Pb-Free 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide Package Number M20D 5 www.fairchildsemi.com ...

Page 6

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide www.fairchildsemi.com Package Number MTC20 6 ...

Page 7

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right ...

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