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MC74AC540 반도체 회로 부품 판매점

(MC74AC540 / MC74AC541) OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS



Motorola Semiconductors 로고
Motorola Semiconductors
MC74AC540 데이터시트, 핀배열, 회로
www.DataSheet4U.com
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
DataSheet4 U .com
FACT DATA
5-1


MC74AC540 데이터시트, 핀배열, 회로
www.DataSheet4U.com
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
DataSheet4 U .com
FACT DATA
5-2




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MC74AC540 driver

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