HEF4543BDF [NXP]
IC 4000/14000/40000 SERIES, SEVEN SEGMENT DECODER/DRIVER, CONFIGURABLE OUTPUT, CDIP16, SOT-74, CERDIP-16, Decoder/Driver;
| 型号： | HEF4543BDF |
| 厂家： | 
NXP |
| 描述： | IC 4000/14000/40000 SERIES, SEVEN SEGMENT DECODER/DRIVER, CONFIGURABLE OUTPUT, CDIP16, SOT-74, CERDIP-16, Decoder/Driver 驱动 CD 输出元件 逻辑集成电路 |
| 文件： | 总8页 (文件大小：83K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
INTEGRATED CIRCUITS
DATA SHEET
For a complete data sheet, please also download:
• The IC04 LOCMOS HE4000B Logic
Family Specifications HEF, HEC
• The IC04 LOCMOS HE4000B Logic
Package Outlines/Information HEF, HEC
HEF4543B
MSI
BCD to 7-segment
latch/decoder/driver
January 1995
Product specification
File under Integrated Circuits, IC04
Philips Semiconductors
Product specification
HEF4543B
MSI
BCD to 7-segment latch/decoder/driver
The circuit provides the function of a 4-bit storage latch
and an 8-4-2-1 BCD to 7-segment decoder/driver. It can
invert the logic levels of the output combination. The phase
(PH), blanking (BI) and latch disable (LD) inputs are used
to reverse the function table phase, blank the display and
store a BCD code, respectively.
DESCRIPTION
The HEF4543B is a BCD to 7-segment
latch/decoder/driver for liquid crystal and LED displays. It
has four address inputs (DA to DD), an active HIGH latch
disable input (LD), an active HIGH blanking input (BI), an
active HIGH phase input (PH) and seven buffered
segment outputs (Oa to Og).
For liquid crystal displays a square-wave is applied to PH
and the electrical common back-plane of the display. The
outputs of the device are directly connected to the
segments of the liquid crystal.
Fig.2 Pinning diagram.
HEF4543BP(N):
HEF4543BD(F):
HEF4543BT(D):
16-lead DIL; plastic (SOT38-1)
16-lead DIL; ceramic (cerdip) ( SOT74)
16-lead SO; plastic (SOT109-1)
Fig.1 Functional diagram.
( ): Package Designator North America
PINNING
DA to DD
PH
address (data) inputs
phase input (active HIGH)
blanking input (active HIGH)
latch disable input (active HIGH)
segment outputs
BI
LD
Oa to Og
Fig.3 Segment designation.
FAMILY DATA, IDD LIMITS category MSI
See Family Specifications
January 1995
2
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Fig.4 Logic diagram.
Philips Semiconductors
Product specification
HEF4543B
MSI
BCD to 7-segment latch/decoder/driver
FUNCTION TABLE
INPUTS
OUTPUTS
Od
LD
BI
PH (4)
DD
DC
DB
DA
Oa
Ob
Oc
Oe
Of
Og DISPLAY
X
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
X
L
X
L
X
L
X
L
L
H
L
L
H
H
H
H
H
L
L
H
H
L
L
H
L
L
H
L
H
L
L
L
H
L
H
L
L
L
L
L
L
L
L
H
L
L
L
blank
0
L
L
L
H
L
L
1
L
L
H
H
L
H
H
L
H
H
L
L
H
H
H
H
H
L
2
L
L
H
L
H
H
H
H
H
H
H
L
L
3
4
L
H
H
H
H
L
H
H
H
L
L
L
H
L
H
H
H
H
H
L
H
H
L
5
L
H
H
L
L
6
L
H
L
H
H
H
L
7
H
H
H
H
H
H
H
H
X
H
H
L
H
H
L
H
H
L
8
L
L
H
L
9
L
H
H
L
blank
blank
blank
blank
blank
L
H
L
L
L
L
L
L
L
H
H
H
H
X
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
H
H
X
L
L
L
L
L
L
H
X
L
L
L
L
(5)
L
L
blank
(5)
as above
Notes
as above
inverse of above
as above
1. H = HIGH state (the more positive voltage)
2. L = LOW state (the less positive voltage)
3. X = state is immaterial
4. For liquid crystal displays, apply a square-wave to PH.
For common cathode LED displays, select PH = LOW.
For common anode LED displays, select PH = HIGH.
5. Depends upon the BCD-code previously applied when LD = HIGH.
Fig.5 Display.
January 1995
4
Philips Semiconductors
Product specification
HEF4543B
MSI
BCD to 7-segment latch/decoder/driver
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ≤ 20 ns
VDD
V
TYPICAL EXTRAPOLATION
FORMULA
SYMBOL MIN. TYP. MAX.
Propagation delays
Dn → On
HIGH to LOW
5
180
75
55
180
75
55
170
80
60
190
80
60
145
65
45
125
55
40
60
30
20
60
30
20
30
15
10
20
5
360
150
110
360
150
110
340
160
120
380
160
120
290
130
90
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
153 ns + (0,55 ns/pF) CL
64 ns + (0,23 ns/pF) CL
47 ns + (0,16 ns/pF) CL
153 ns + (0,55 ns/pF) CL
64 ns + (0,23 ns/pF) CL
47 ns + (0,16 ns/pF) CL
143 ns + (0,55 ns/pF) CL
69 ns + (0,23 ns/pF) CL
52 ns + (0,16 ns/pF) CL
163 ns + (0,55 ns/pF) CL
69 ns + (0,23 ns/pF) CL
52 ns + (0,16 ns/pF) CL
118 ns + (0,55 ns/pF) CL
54 ns + (0,23 ns/pF) CL
37 ns + (0,16 ns/pF) CL
98 ns + (0,55 ns/pF) CL
54 ns + (0,23 ns/pF) CL
32 ns + (0,16 ns/pF) CL
10 ns + (1,0 ns/pF) CL
9 ns + (0,42 ns/pF) CL
6 ns + (0,28 ns/pF) CL
10 ns + (1,0 ns/pF) CL
9 ns + (0,42 ns/pF) CL
6 ns + (0,28 ns/pF) CL
10
15
5
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tTHL
tTLH
tWLDH
tsu
LOW to HIGH
10
15
5
LD → On
HIGH to LOW
10
15
5
LOW to HIGH
10
15
5
BI → On
HIGH to LOW
10
15
5
250
110
80
LOW to HIGH
10
15
5
Output transition times
HIGH to LOW
120
60
10
15
5
40
120
60
LOW to HIGH
10
15
5
40
Minimum LD
60
30
20
40
20
15
0
pulse width; HIGH
10
15
5
Set-up time
Dn → LD
10
15
5
0
Hold time
−15
0
Dn → LD
10
15
thold
15
20
5
January 1995
5
Philips Semiconductors
Product specification
HEF4543B
MSI
BCD to 7-segment latch/decoder/driver
VDD
V
TYPICAL FORMULA FOR P (µW)
2
2
2
Dynamic power
dissipation per
package (P)
5
2 200 fi + ∑ (foCL) × VDD
10 400 fi + ∑ (foCL) × VDD
33 000 fi + ∑ (foCL) × VDD
where
10
15
fi = input freq. (MHz)
fo = output freq. (MHz)
CL = load capacitance (pF)
∑ (foCL) = sum of outputs
VDD = supply voltage (V)
APPLICATION INFORMATION
Some examples of applications for the HEF4543B are:
• Driving LCD displays.
• Driving LED displays.
• Driving fluorescent displays.
• Driving incandescent displays.
• Driving gas discharge displays.
Fig.6 Connection to common cathode LED display readout.
January 1995
6
Philips Semiconductors
Product specification
HEF4543B
MSI
BCD to 7-segment latch/decoder/driver
Fig.7 Connection to common anode LED display readout.
Note to Figs 6 and 7: bipolar transistors may be added for gain where VDD ≤ 10 V or Iout ≥ 10 mA.
Fig.8 Connection to liquid crystal (LCD) display readout.
January 1995
7
Philips Semiconductors
Product specification
HEF4543B
MSI
BCD to 7-segment latch/decoder/driver
Fig.9 Connection to incandescent display readout.
Fig.10 Connection to gas discharge display readout.
Fig.11 Connection to fluorescent display readout.
January 1995
8
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HEF4543BT-T
IC 4000/14000/40000 SERIES, SEVEN SEGMENT DECODER/DRIVER, CONFIGURABLE OUTPUT, PDSO16, 3.90 MM, PLASTIC, SOT109-1, MS-012, SOP-14, Decoder/Driver
NXP
HEF4543BTD
IC 4000/14000/40000 SERIES, SEVEN SEGMENT DECODER/DRIVER, CONFIGURABLE OUTPUT, PDSO16, PLASTIC, SOT-108, SO-14, Decoder/Driver
NXP
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