HD74AC126RP-EL [HITACHI]
Bus Driver, AC Series, 4-Func, 1-Bit, True Output, CMOS, PDSO14, FP-14DN;
| 型号： | HD74AC126RP-EL |
| 厂家： | 
HITACHI SEMICONDUCTOR |
| 描述： | Bus Driver, AC Series, 4-Func, 1-Bit, True Output, CMOS, PDSO14, FP-14DN 驱动器 |
| 文件： | 总8页 (文件大小：49K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
HD74AC126/HD74ACT126
Quad Buffer/Line Driver with 3-State Output
Description
The HD74AC126/HD74ACT126 is an quad buffer and line driver designed to be employed as a memory
address driver, clock driver and bus oriented transmitter/receiver which provides improved PC board
density.
Features
•
•
•
3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
Outputs Source/Sink 24 mA
HD74ACT126 has TTL-Compatible Inputs
Pin Arrangement
E 1
D 2
14 VCC
13 E
O 3
12 D
11 O
10 E
E 4
D 5
O 6
9
8
D
O
GND 7
(Top view)
HD74AC126/HD74ACT126
Logic Symbol
D
O
E
Pin Names
D
E
Data Inputs
3-State Output Enable Inputs (Active High)
Outputs
O
Truth Table
Inputs
E
H
H
L
D
L
Output
L
H
X
H
Z
H :
High Voltage Level
L
X
Z
:
:
:
Low Voltage Level
Immaterial
High Impedance
DC Characteristics (unless otherwise specified)
Item
Symbol Max
Unit
Condition
Maximum Quiescent Supply Current ICC
80
µA
VIN = VCC or ground, VCC = 5.5 V,
Ta = Worst case
Maximum Quiescent Supply Current ICC
8.0
1.5
µA
VIN = VCC or ground, VCC = 5.5 V,
Ta = 25°C
Maximum ICC/Input (HD74ACT126)
ICCT
mA
VIN = VCC – 2.1 V, VCC = 5.5 V
Ta = Worst case
2
HD74AC126/HD74ACT126
AC Characteristics: HD74AC126
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
tPLH
tPHL
tPZL
tPHZ
tPLZ
tPZH
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
6.5
5.5
6.5
5.0
6.5
5.5
7.0
5.5
8.0
6.5
7.0
6.0
ns
7.0
Propagation Delay
Enable Time
9.0
10.0
7.5
7.0
12.5
9.0
13.0
9.5
Enable Time
12.0
9.0
13.0
9.5
Disable Time
Disable Time
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: HD74ACT125
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
Typ
Max
9.0
Min
1.0
1.0
1.0
1.0
1.0
1.0
Max
10.0
10.0
10.0
11.0
11.5
11.5
Unit
Propagation Delay
Propagation Delay
Enable Time
Enable Time
Disable Time
Disable Time
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
5.0
5.0
5.0
5.0
5.0
5.0
6.5
7.0
6.0
7.0
8.0
7.0
ns
9.0
9.0
10.0
10.5
10.5
Note: 1. Voltage Range 5.0 is 5.0 V ± 0.5 V
Capacitance
Item
Symbol
CIN
Typ
Unit
Condition
VCC = 5.5 V
VCC = 5.0 V
Input Capacitance
Power Dissipation Capacitance
4.5
pF
pF
CPD
45.0
3
Unit: mm
19.20
20.32 Max
14
1
8
7
1.30
2.39 Max
7.62
+ 0.10
– 0.05
0.25
2.54 ± 0.25
0.48 ± 0.10
0° – 15°
Hitachi Code
DP-14
JEDEC
EIAJ
Conforms
Conforms
Weight (reference value) 0.97 g
Unit: mm
10.06
10.5 Max
8
14
1
7
+ 0.20
7.80
– 0.30
1.42 Max
1.15
0° – 8°
1.27
0.70 ± 0.20
*0.42 ± 0.08
0.40 ± 0.06
0.15
M
0.12
Hitachi Code
JEDEC
FP-14DA
—
EIAJ
Conforms
*Dimension including the plating thickness
Base material dimension
Weight (reference value) 0.23 g
Unit: mm
8.65
9.05 Max
8
14
1
7
+ 0.10
6.10
– 0.30
0.635 Max
1.08
0° – 8°
+ 0.67
1.27
*0.40 ± 0.06
0.60
– 0.20
0.15
M
0.25
Hitachi Code
JEDEC
EIAJ
FP-14DN
Conforms
Conforms
*Pd plating
Weight (reference value) 0.13 g
Unit: mm
5.00
5.30 Max
14
8
1
7
0.65
1.0
+0.08
*0.22
–0.07
0.13 M
0.20 ± 0.06
6.40 ± 0.20
0.83 Max
0° – 8°
0.50 ± 0.10
0.10
Hitachi Code
JEDEC
EIAJ
TTP-14D
—
—
*Dimension including the plating thickness
Base material dimension
Weight (reference value) 0.05 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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Tel: Tokyo (03) 3270-2111 Fax: (03) 3270-5109
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