MC74ACT541 Datasheet PDF - Motorola


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MC74ACT541
Motorola

Part Number MC74ACT541
Description (MC74AC540 / MC74AC541) OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS
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MC74ACT541 datasheet pdf
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MC74AC540
MC74ACT540
MC74AC541
MC74ACT541
Octal Buffer/Line Driver
with 3ĆState 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
MC74AC540/74ACT540
MC74AC541/74ACT541
OE1 1
2
3
4
5
6
7
8
9
GND 10
20 VCC
19 OE2
18
17
16
15
14
13
12
11
OE1 1
2
3
4
5
6
7
8
9
GND 10
20 VCC
19 OE2
18
17
16
15
14
13
12
11
OCTAL
BUFFER/LINE DRIVER
WITH 3-STATE
OUTPUTS
N SUFFIX
CASE 738-03
PLASTIC
DW SUFFIX
CASE 751D-04
PLASTIC
TRUTH TABLE
Inputs
OE1
L
H
X
L
OE2
L
X
H
L
D
H
X
X
L
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
Outputs
540 541
LH
ZZ
ZZ
HL
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MC74AC540 MC74ACT540 MC74AC541 MC74ACT541
MAXIMUM RATINGS*
Symbol
Parameter
Value
Unit
VCC
Vin
Vout
Iin
Iout
ICC
Tstg
DC Supply Voltage (Referenced to GND)
DC Input Voltage (Referenced to GND)
DC Output Voltage (Referenced to GND)
DC Input Current, per Pin
DC Output Sink/Source Current, per Pin
DC VCC or GND Current per Output Pin
Storage Temperature
–0.5 to +7.0
–0.5 to VCC +0.5
–0.5 to VCC +0.5
±20
±50
±50
–65 to +150
V
V
V
mA
mA
mA
°C
* Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended
Operating Conditions.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min Typ
VCC
Supply Voltage
AC
ACT
2.0 5.0
4.5 5.0
Vin, Vout
tr, tf
DC Input Voltage, Output Voltage (Ref. to GND)
Input Rise and Fall Time (Note 1)
AC Devices except Schmitt Inputs
VCC @ 3.0 V
VCC @ 4.5 V
VCC @ 5.5 V
0
150
40
25
Input Rise and Fall Time (Note 2)
tr, tf ACT Devices except Schmitt Inputs
TJ Junction Temperature (PDIP)
TA Operating Ambient Temperature Range
VCC @ 4.5 V
VCC @ 5.5 V
–40
10
8.0
25
IOH Output Current — High
IOL Output Current — Low
1. Vin from 30% to 70% VCC; see individual Data Sheets for devices that differ from the typical input rise and fall times.
2. Vin from 0.8 V to 2.0 V; see individual Data Sheets for devices that differ from the typical input rise and fall times.
Max
6.0
5.5
VCC
140
85
–24
24
Unit
V
V
ns/V
ns/V
°C
°C
mA
mA
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MC74AC540 MC74ACT540 MC74AC541 MC74ACT541
DC CHARACTERISTICS
Symbol
Parameter
VIH
VIL
VOH
Minimum High Level
Input Voltage
Maximum Low Level
Input Voltage
Minimum High Level
Output Voltage
VCC
(V)
3.0
4.5
5.5
3.0
4.5
5.5
3.0
4.5
5.5
74AC
74AC
TA = +25°C
TA =
–40°C to +85°C
Typ Guaranteed Limits
1.5 2.1
2.25 3.15
2.75 3.85
2.1
3.15
3.85
1.5 0.9
2.25 1.35
2.75 1.65
0.9
1.35
1.65
2.99 2.9
4.49 4.4
5.49 5.4
2.9
4.4
5.4
VOL
Maximum Low Level
Output Voltage
3.0 2.56
4.5 3.86
5.5 4.86
3.0 0.002 0.1
4.5 0.001 0.1
5.5 0.001 0.1
2.46
3.76
4.76
0.1
0.1
0.1
IIN Maximum Input
Leakage Current
3.0 0.36 0.44
4.5 0.36 0.44
5.5 0.36 0.44
5.5 ±0.1 ±1.0
IOZ Maximum
3-State
Current
5.5 ±0.5 ±5.0
IOLD
IOHD
ICC
†Minimum Dynamic
Output Current
Maximum Quiescent
Supply Current
5.5 75
5.5 –75
5.5 8.0 80
* All outputs loaded; thresholds on input associated with output under test.
† Maximum test duration 2.0 ms, one output loaded at a time.
Note: IIN and ICC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V VCC.
Unit
V
V
V
V
V
V
µA
µA
mA
mA
µA
Conditions
VOUT = 0.1 V
or VCC – 0.1 V
VOUT = 0.1 V
or VCC – 0.1 V
IOUT = –50 µA
*VIN = VIL or VIH
–12 mA
IOH –24 mA
–24 mA
IOUT = 50 µA
*VIN = VIL or VIH
12 mA
IOL 24 mA
24 mA
VI = VCC, GND
VI (OE) = VIL, VIH
VI = VCC, GND
VO = VCC, GND
VOLD = 1.65 V Max
VOHD = 3.85 V Min
VIN = VCC or GND
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MC74AC540 MC74ACT540 MC74AC541 MC74ACT541
AC CHARACTERISTICS (For Figures and Waveforms — See Section 3)
74AC
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
tPLH
Propagation Delay
Data to Output (AC540)
tPHL
Propagation Delay
Data to Output (AC540)
tPZH
Output Enable Time
(AC540)
tPZL
Output Enable Time
(AC540)
tPHZ
Output Disable Time
(AC540)
tPLZ
Output Disable Time
(AC540)
tPLH
Propagation Delay
Data to Output (AC541)
tPHL
Propagation Delay
Data to Output (AC541)
tPZH
Output Enable Time
(AC541)
tPZL
Output Enable Time
(AC541)
tPHZ
Output Disable Time
(AC541)
tPLZ
Output Disable Time
(AC541)
* Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
Min Typ Max
3.3 1.5 5.5 7.5
5.0 1.5 4.0 6.0
3.3 1.5 5.0 7.0
5.0 1.5 4.0 5.5
3.3 3.0 8.5 11
5.0 2.0 6.5 8.5
3.3 2.5 7.5 10
5.0 2.0 6.0 7.5
3.3 2.5 8.5 13
5.0 1.5 7.5 10.5
3.3 2.0 7.0 10
5.0 1.5 6.0 8.0
3.3 2.0 5.5 8.0
5.0 1.5 4.0 6.0
3.3 2.0 5.5 8.0
5.0 1.5 4.0 6.0
3.3 3.0 8.0 11.5
5.0 2.0 6.0 8.5
3.3 2.5 7.0 10
5.0 1.5 5.5 7.5
3.3 3.5 9.0 12.5
5.0 2.0 7.0 9.5
3.3 2.5 6.5 9.5
5.0 2.0 5.5 7.5
74AC
TA = –40°C
to +85°C
CL = 50 pF
Min Max
1.0 8.0
1.0 6.5
1.0 7.5
1.0 6.0
2.5 12
2.0 9.5
2.0 11
1.5 8.5
1.5 14
1.0 11
2.0 11
1.5 9.0
1.5 9.0
1.0 6.5
1.5 8.5
1.0 6.5
3.0 12.5
1.5 9.5
2.5 11.5
1.0 8.5
2.5 14
1.0 10.5
2.0 10.5
1.0 8.5
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Fig.
No.
3-5
3-5
3-7
3-8
3-7
3-8
3-5
3-5
3-7
3-8
3-7
3-8
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