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MC74AC540 Datasheet(PDF) 1 Page - Motorola, Inc

Part No. MC74AC540
Description  OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS
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Maker  MOTOROLA [Motorola, Inc]
Homepage  http://www.freescale.com
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MC74AC540 Datasheet(HTML) 1 Page - Motorola, Inc

   
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5-1
FACT DATA
Octal Buffer/Line Driver
with 3State Outputs
The MC74AC540/74ACT540 and MC74AC541/74ACT541 are octal buffer/line
drivers designed to be employed as memory and address drivers, clock drivers and
bus oriented transmitter/receivers. The MC74AC541/74ACT541 is a noninverting
option of the MC74AC540/74ACT540.
These devices are similar in function to the MC74AC240/74ACT240 and
MC74AC244/74ACT244 while providing flow-through architecture (inputs on opposite
side from outputs). This pinout arrangement makes these devices especially useful
as output ports for microprocessors, allowing ease of layout and greater PC board
density.
• 3-State Outputs
• Inputs and Outputs Opposite Side of Package, Allowing
Easier Interface to Microprocessors
• Outputs Source/Sink 24 mA
• MC74AC540/74ACT540 Provides Inverted Outputs
• MC74AC541/74ACT541 Provides Noninverted Outputs
• ′ACT540 and ′ACT541 Have TTL Compatible Inputs
TRUTH TABLE
Inputs
Outputs
OE1
OE2
D
′540
′541
L
L
H
L
H
H
X
X
Z
Z
X
H
X
Z
Z
L
L
L
H
L
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
MC74AC540
MC74ACT540
MC74AC541
MC74ACT541
OCTAL
BUFFER/LINE DRIVER
WITH 3-STATE
OUTPUTS
N SUFFIX
CASE 738-03
PLASTIC
DW SUFFIX
CASE 751D-04
PLASTIC
1
OE1
2
3
4
5
6
7
8
9
10
GND
20
19
18
17
16
15
14
13
12
11
VCC
OE2
MC74AC540/74ACT540
1
OE1
2
3
4
5
6
7
8
9
10
GND
20
19
18
17
16
15
14
13
12
11
VCC
OE2
MC74AC541/74ACT541


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