HD74HC4511 [HITACHI]
BCD-to-Seven Segment Latch/Decoder/Driver; BCD至七段锁存器/解码器/驱动器
| 型号： | HD74HC4511 |
| 厂家： | 
HITACHI SEMICONDUCTOR |
| 描述： | BCD-to-Seven Segment Latch/Decoder/Driver |
| 文件： | 总9页 (文件大小：62K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
HD74HC4511
BCD-to-Seven Segment Latch/Decoder/Driver
Description
The HD74HC4511 provides the functions of a 4-bit storage latch, a BCD-to-seven-segment decoder, and
an output driver. Lamp test (LT), blanking (BI), and latch enable (LE) inputs are used to test the display, to
turn off or pulse-modulate the brightness of the display, and to store a BCD code, respectively.
Features
•
•
•
•
•
High Speed Operation: tpd (A, B, C, D to a – g) = 31 ns typ (CL = 50 pF)
High Output Current: Fanout of 10 LSTTL Loads
Wide Operating Voltage: VCC = 2 to 6 V
Low Input Current: 1 µA max
Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)
HD74HC4511
Function Table
Inputs
Outputs
LE
X
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
BI
X
L
LT
L
D
X
X
L
C
X
X
L
B
X
X
L
A
X
X
L
a
b
H
L
c
d
H
L
e
H
L
H
L
H
L
L
L
H
L
H
L
L
L
L
L
L
L
f
g
H
L
Display
H
L
H
L
H
L
H
L
L
L
H
H
H
L
H
H
L
L
L
L
L
L
8
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
Blank
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
L
H
H
L
H
L
H
L
0
L
L
L
H
L
1
L
L
H
H
L
H
H
L
H
H
L
H
H
H
H
H
L
2
L
L
H
L
H
H
H
H
H
H
H
L
3
L
H
H
H
H
L
4
L
L
H
L
H
L
H
H
L
5
L
H
H
L
L
6
L
H
L
H
H
H
L
H
H
H
L
7
H
H
H
H
H
H
H
H
X
H
L
H
H
L
8
L
L
H
L
9
L
H
H
L
L
Blank
Blank
Blank
Blank
Blank
Blank
L
H
L
L
L
L
L
L
H
H
H
H
X
L
L
L
L
L
L
H
L
L
L
L
L
L
H
H
X
L
L
L
L
L
H
X
L
L
L
L
L
1
1
*
*
Note: 1. Depends upon the BCD code previously applied when LE = O
a
f
g
b
e
c
d
2
HD74HC4511
Pin Arrangement
B
C
1
2
3
4
5
6
7
8
16 VCC
B
15
14
13
12
11
10
9
f
f
C
LT
BI
g
a
b
c
d
e
g
a
b
c
d
LT
BI
LE
D
LE
D
A
A
e
GND
(Top view)
3
HD74HC4511
DC Characteristics
Ta = –40 to
Ta = 25°C
+85°C
Item
Symbol VCC (V) Min Typ Max Min Max Unit Test Conditions
Input voltage
VIH
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
4.5
6.0
2.0
4.5
6.0
4.5
6.0
6.0
6.0
1.5
—
—
—
—
0.5
1.5
3.15
4.2
—
—
V
V
V
3.15 —
—
4.2
—
—
—
—
—
—
—
—
VIL
0.5
1.35
1.8
—
1.35 —
1.8
—
—
—
—
—
—
Output voltage
VOH
1.9 2.0
4.4 4.5
5.9 6.0
4.18 —
5.68 —
1.9
4.4
5.9
4.13
5.63
—
Vin = VIH or VIL IOH = –20 µA
—
—
—
IOH = –4 mA
IOH = –5.2 mA
—
VOL
—
—
—
—
—
—
—
0.0 0.1
0.0 0.1
0.0 0.1
0.1
0.1
0.1
0.33
0.33
V
Vin = VIH or VIL IOL = 20 µA
—
—
—
—
—
—
0.26 —
0.26 —
±0.1 —
4.0
IOL = 4 mA
IOL = 5.2 mA
Input current
Iin
±1.0 µA
40 µA
Vin = VCC or GND
Quiescent supply ICC
current
—
Vin = VCC or GND, Iout = 0 µA
4
HD74HC4511
AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Ta = –40 to
+85°C
Ta = 25°C
Symbol VCC (V) Min Typ Max Min Max Unit Test Conditions
Item
Propagation delay tPLH
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
—
—
—
—
—
—
—
—
—
—
—
—
—
80
16
14
—
400 —
500 ns
100
86
A, B, C or D to a – g
time
tPHL
31 80
—
—
—
—
68
tPLH
tPHL
250 —
315
63
BI to a – g
25 50
—
—
—
—
43
54
tPLH
tPHL
150 —
190
38
LT to a – g
17 30
—
—
—
—
26
33
tPLH
tPHL
400 —
500
100
86
LE to a – g
35 80
—
—
100
20
17
125
25
21
5
—
—
6
68
—
—
—
—
—
—
—
—
—
60
12
10
75
15
13
10
Pulse width
Setup time
tw
—
—
—
—
—
—
—
—
—
75
15
13
95
19
16
10
ns
ns
ns
ns
ns
pF
—
tsu
100 —
20
17
5
4
—
—
0
Hold time
th
5
5
5
—
—
4
5
Output rise time
Output fall time
tTLH
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
5
tTHL
—
5
Input capacitance Cin
5
Unit: mm
19.20
20.00 Max
16
1
9
8
1.3
1.11 Max
7.62
+ 0.13
– 0.05
0.25
2.54 ± 0.25
0.48 ± 0.10
0° – 15°
Hitachi Code
DP-16
JEDEC
EIAJ
Conforms
Conforms
Weight (reference value) 1.07 g
Unit: mm
10.06
10.5 Max
9
16
1
8
+ 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
M
0.12
Hitachi Code
JEDEC
EIAJ
FP-16DA
—
Conforms
*Dimension including the plating thickness
Base material dimension
Weight (reference value) 0.24 g
Unit: mm
9.9
10.3 Max
9
16
1
8
1.27
+ 0.10
6.10
– 0.30
1.08
0.635 Max
0° – 8°
+ 0.67
0.60
– 0.20
*0.42 ± 0.08
0.40 ± 0.06
0.15
0.25
M
Hitachi Code
JEDEC
EIAJ
FP-16DN
Conforms
Conforms
*Dimension including the plating thickness
Base material dimension
Weight (reference value) 0.15 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.
Hitachi, Ltd.
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Tel: Tokyo (03) 3270-2111 Fax: (03) 3270-5109
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For further information write to:
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(America) Inc.
Hitachi Europe GmbH
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Copyright ' Hitachi, Ltd., 1999. All rights reserved. Printed in Japan.
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HITACHI
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