MC74AC540M ON Semiconductor, MC74AC540M Datasheet

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MC74AC540M

Manufacturer Part Number
MC74AC540M
Description
Octal Buffer/Line Driver with 3 State Outputs
Manufacturer
ON Semiconductor
Datasheet
1.MC74AC540M.pdf (7 pages)
Octal Buffer/Line Driver
with 3 State Outputs
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.
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.
GND
OE 1
3-State Outputs
Inputs and Outputs Opposite Side of Package, Allowing
Outputs Source/Sink 24 mA
MC74AC540/74ACT540 Provides Inverted Outputs
MC74AC541/74ACT541 Provides Noninverted Outputs
Easier Interface to Microprocessors
ACT540 and ACT541 Have TTL Compatible Inputs
The MC74AC540/74ACT540 and MC74AC541/74ACT541 are octal buffer/line
These devices are similar in function to the MC74AC240/74ACT240 and
MC74AC540/74ACT540
10
1
2
3
4
5
6
7
8
9
20
19
18
17
16
15
14
13
12
11
V CC
OE 2
GND
OE 1
MC74AC541/74ACT541
10
1
2
3
4
5
6
7
8
9
FACT DATA
5-1
20
19
18
17
16
15
14
13
12
11
V CC
OE 2
TRUTH TABLE
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
MC74ACT540
MC74ACT541
OE 1
MC74AC540
MC74AC541
H
X
L
L
BUFFER/LINE DRIVER
Inputs
OE 2
H
WITH 3-STATE
L
X
L
CASE 751D-04
CASE 738-03
OUTPUTS
DW SUFFIX
N SUFFIX
PLASTIC
PLASTIC
OCTAL
D
H
X
X
L
540
H
L
Z
Z
Outputs
541
H
Z
Z
L

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MC74AC540M Summary of contents

Page 1

Octal Buffer/Line Driver with 3 State 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 ...

Page 2

MC74AC540 MC74ACT540 MC74AC541 MC74ACT541 MAXIMUM RATINGS* Symbol Supply Voltage (Referenced to GND Input Voltage (Referenced to GND) V out DC Output Voltage (Referenced to GND Input Current, per Pin I out ...

Page 3

MC74AC540 MC74ACT540 MC74AC541 MC74ACT541 DC CHARACTERISTICS Symbol Symbol Parameter Parameter V IH Minimum High Level Input Voltage Input Voltage V IL Maximum Low Level Input Voltage Input Voltage V OH Minimum High Level Output Voltage Output Voltage V OL Maximum ...

Page 4

MC74AC540 MC74ACT540 MC74AC541 MC74ACT541 AC CHARACTERISTICS (For Figures and Waveforms — See Section 3) Symbol Symbol Parameter Parameter Propagation Delay t PLH t PLH Data to Output ( AC540) Propagation Delay t PHL t PHL Data to Output ( AC540) ...

Page 5

MC74AC540 MC74ACT540 MC74AC541 MC74ACT541 DC CHARACTERISTICS Symbol Symbol Parameter Parameter V IH Minimum High Level Input Voltage Input Voltage V IL Maximum Low Level Input Voltage Input Voltage V OH Minimum High Level Output Voltage Output Voltage V OL Maximum ...

Page 6

MC74AC540 MC74ACT540 MC74AC541 MC74ACT541 AC CHARACTERISTICS (For Figures and Waveforms — See Section 3) Symbol Symbol Parameter Parameter Propagation Delay t PLH t PLH Data to Output ( ACT540) Data to Output ( ACT540) Propagation Delay t PHL t PHL ...

Page 7

MC74AC540 MC74ACT540 MC74AC541 MC74ACT541 –A– –T– SEATING PLANE –A– –B– 20X 0.010 (0.25 18X K Motorola reserves the ...

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