HD74AC241 PDF даташит
Спецификация HD74AC241 изготовлена «Hitachi Semiconductor» и имеет функцию, называемую «Octal Buffer/Line Driver with 3-State Output». |
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Детали детали
Номер произв | HD74AC241 |
Описание | Octal Buffer/Line Driver with 3-State Output |
Производители | Hitachi Semiconductor |
логотип |
9 Pages
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HD74AC241/HD74ACT241
Octal Buffer/Line Driver with 3-State Output
Description
The HD74AC241/HD74ACT241 is an octal buffer and line driver designed to be employed as a memory
address driver, clock driver and bus-oriented transmitter or receiver which provides improved PC board
density.
Features
• 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
• Outputs Source/Sink 24 mA
• HD74ACT241 has TTL-Compatible Inputs
Pin Arrangement
OE1 1
2
3
4
5
6
7
8
9
GND 10
(Top view)
20 VCC
19 OE2
18
17
16
15
14
13
12
11
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HD74AC241/HD74ACT241
Truth Tables
Inputs
OE1
L
L
H
D
L
H
X
Inputs
OE2 D
HL
HH
LX
H : High Voltage Level
L : Low Voltage Level
X : Immaterial
Z : High Impedance
Outputs (Pins 12, 14, 16, 18)
L
H
Z
Outputs (Pins 3, 5, 7, 9)
L
H
Z
DC Characteristics (unless otherwise specified)
Item
Maximum quiescent supply current
Symbol Max
ICC 80
Unit
µA
Maximum quiescent supply current ICC 8.0 µA
Maximum additional ICC/input
(HD74ACT241)
ICCT 1.5
mA
Condition
VIN = VCC or ground, VCC = 5.5 V,
Ta = Worst case
VIN = VCC or ground, VCC = 5.5 V,
Ta = 25°C
VIN = VCC – 2.1 V, VCC = 5.5 V,
Ta = Worst case
2
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HD74AC241/HD74ACT241
AC Characteristics: HD74AC241
Item
Propagation delay
Data to output
Symbol
t PLH
VCC (V)*1
3.3
5.0
Ta = +25°C
CL = 50 pF
Min Typ
1.0 6.0
1.0 5.0
Propagation delay
Data to output
t PHL
3.3
5.0
1.0 6.0
1.0 4.5
Output enable time
t PZH
3.3
5.0
1.0 6.5
1.0 5.5
Output enable time
t PZL
3.3
5.0
1.0 7.0
1.0 5.5
Output disable time
t PHZ
3.3
5.0
1.0 8.0
1.0 6.5
Output disable time
t PLZ
3.3
5.0
1.0 7.0
1.0 6.0
Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
Max
9.0
7.0
9.0
7.0
12.5
9.0
12.0
9.0
12.0
10.0
12.5
10.0
Ta = –40°C to +85°C
CL = 50 pF
Min Max
1.0 10.0
1.0 7.5
1.0 10.5
1.0 7.5
1.0 13.0
1.0 9.5
1.0 13.0
1.0 9.5
1.0 12.5
1.0 10.5
1.0 13.5
1.0 10.5
Unit
ns
ns
ns
ns
ns
ns
AC Characteristics: HD74ACT241
Item
Propagation delay
Data to output
Symbol VCC (V)*1
tPLH 5.0
Ta = +25°C
CL = 50 pF
Min Typ
1.0 6.5
Propagation delay
Data to output
t PHL
5.0
1.0 7.0
Output enable time
t PZH
5.0
Output enable time
t PZL
5.0
Output disable time
t PHZ
5.0
Output disable time
t PLZ
5.0
Note: 1. Voltage Range 5.0 is 5.0 V ± 0.5 V
1.0
1.0
1.0
1.0
6.0
7.0
8.0
7.0
Max
9.0
9.0
9.0
10.0
10.5
10.5
Ta = –40°C to +85°C
CL = 50 pF
Min Max
1.0 10.0
Unit
ns
1.0 10.0 ns
1.0 10.0 ns
1.0 11.0 ns
1.0 11.5 ns
1.0 11.5 ns
3
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Номер в каталоге | Описание | Производители |
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