HD74AC241FP [ETC]
Dual 4-Bit Non-Inverting Buffer/Driver ; 双4位非反相缓冲器/驱动器\n
| 型号： | HD74AC241FP |
| 厂家： | 
ETC |
| 描述： | Dual 4-Bit Non-Inverting Buffer/Driver
|
| 文件： | 总9页 (文件大小：55K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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
1
2
OE1
VCC
20
19
18
17
16
15
14
13
12
11
OE2
3
4
5
6
7
8
9
10
GND
(Top view)
HD74AC241/HD74ACT241
Truth Tables
Inputs
OE1
L
D
L
Outputs (Pins 12, 14, 16, 18)
L
L
H
X
H
Z
H
Inputs
OE2
H
D
L
Outputs (Pins 3, 5, 7, 9)
L
H
H
X
H
Z
L
H :
High Voltage Level
Low Voltage Level
Immaterial
L
X
Z
:
:
:
High Impedance
DC Characteristics (unless otherwise specified)
Item
Symbol Max
Unit
Condition
Maximum quiescent supply current
ICC
ICC
ICCT
80
µA
VIN = VCC or ground, VCC = 5.5 V,
Ta = Worst case
Maximum quiescent supply current
8.0
1.5
µA
VIN = VCC or ground, VCC = 5.5 V,
Ta = 25°C
Maximum additional ICC/input
(HD74ACT241)
mA
VIN = VCC – 2.1 V, VCC = 5.5 V,
Ta = Worst case
2
HD74AC241/HD74ACT241
AC Characteristics: HD74AC241
Ta = +25°C
Ta = –40°C to +85°C
CL = 50 pF
CL = 50 pF
Item
Symbol VCC (V)*1
Min
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Typ
Max
9.0
Min
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Max
10.0
7.5
Unit
Propagation delay
Data to output
Propagation delay
Data to output
Output enable time
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
6.0
5.0
6.0
4.5
6.5
5.5
7.0
5.5
8.0
6.5
7.0
6.0
ns
7.0
9.0
10.5
7.5
ns
ns
ns
ns
ns
7.0
12.5
9.0
13.0
9.5
Output enable time
Output disable time
Output disable time
12.0
9.0
13.0
9.5
12.0
10.0
12.5
10.0
12.5
10.5
13.5
10.5
Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
AC Characteristics: HD74ACT241
Ta = +25°C
Ta = –40°C to +85°C
CL = 50 pF
CL = 50 pF
Item
Symbol VCC (V)*1
Min
Typ
Max
Min
Max
Unit
Propagation delay
Data to output
tPLH
5.0
1.0
6.5
9.0
1.0
10.0
ns
Propagation delay
Data to output
tPHL
5.0
1.0
7.0
9.0
1.0
10.0
ns
Output enable time
Output enable time
Output disable time
Output disable time
tPZH
tPZL
tPHZ
tPLZ
5.0
5.0
5.0
5.0
1.0
1.0
1.0
1.0
6.0
7.0
8.0
7.0
9.0
1.0
1.0
1.0
1.0
10.0
11.0
11.5
11.5
ns
ns
ns
ns
10.0
10.5
10.5
Note: 1. Voltage Range 5.0 is 5.0 V ± 0.5 V
3
HD74AC241/HD74ACT241
Capacitance
Item
Symbol
Typ
4.5
Unit
pF
Condition
VCC = 5.5 V
VCC = 5.0 V
Input capacitance
Power dissipation capacitance
CIN
CPD
45.0
pF
4
Unit: mm
24.50
25.40 Max
20
11
10
1
1.30
0.89
7.62
1.27 Max
+ 0.11
– 0.05
0.25
2.54 ± 0.25
0.48 ± 0.10
0° – 15°
Hitachi Code
JEDEC
EIAJ
DP-20N
—
Conforms
Weight (reference value) 1.26 g
Unit: mm
12.6
13 Max
11
10
20
1
+ 0.20
7.80
– 0.30
0.80 Max
1.15
0° – 8°
1.27
0.70 ± 0.20
*0.42 ± 0.08
0.40 ± 0.06
0.15
0.12 M
Hitachi Code
JEDEC
FP-20DA
—
EIAJ
Conforms
*Dimension including the plating thickness
Base material dimension
Weight (reference value) 0.31 g
Unit: mm
12.8
13.2 Max
11
10
20
1
+ 0.25
– 0.40
10.40
0.935 Max
1.45
0° – 8°
+ 0.57
– 0.30
1.27
0.70
*0.42 ± 0.08
0.40 ± 0.06
0.15
M
0.12
Hitachi Code
JEDEC
EIAJ
FP-20DB
Conforms
—
*Dimension including the plating thickness
Base material dimension
Weight (reference value) 0.52 g
Unit: mm
6.50
6.80 Max
20
11
1
10
0.65
1.0
+0.08
*0.22
0.20 ± 0.06
–0.07
0.13
M
6.40 ± 0.20
0.65 Max
0° – 8°
0.50 ± 0.10
0.10
Hitachi Code
TTP-20DA
JEDEC
EIAJ
—
—
*Dimension including the plating thickness
Base material dimension
Weight (reference value) 0.07 g
Cautions
1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent,
copyright, trademark, or other intellectual property rights for information contained in this document.
Hitachi bears no responsibility for problems that may arise with third party’s rights, including
intellectual property rights, in connection with use of the information contained in this document.
2. Products and product specifications may be subject to change without notice. Confirm that you have
received the latest product standards or specifications before final design, purchase or use.
3. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However,
contact Hitachi’s sales office before using the product in an application that demands especially high
quality and reliability or where its failure or malfunction may directly threaten human life or cause risk
of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation,
traffic, safety equipment or medical equipment for life support.
4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly
for maximum rating, operating supply voltage range, heat radiation characteristics, installation
conditions and other characteristics. Hitachi bears no responsibility for failure or damage when used
beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable
failure rates or failure modes in semiconductor devices and employ systemic measures such as fail-
safes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other
consequential damage due to operation of the Hitachi product.
5. This product is not designed to be radiation resistant.
6. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without
written approval from Hitachi.
7. Contact Hitachi’s sales office for any questions regarding this document or Hitachi semiconductor
products.
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