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PDF M74HC4543 Data sheet ( Hoja de datos )

Número de pieza M74HC4543
Descripción BCD TO 7 SEGMENT LATCH/DECODER/LCD DRIVER
Fabricantes ST Microelectronics 
Logotipo ST Microelectronics Logotipo



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No Preview Available ! M74HC4543 Hoja de datos, Descripción, Manual

M54HC4543
M74HC4543
BCD TO 7 SEGMENT LATCH/DECODER/LCD DRIVER
. HIGH SPEED
tW = 7 ns (TYP.) AT VCC = 5 V
. LOW POWER DISSIPATION
ICC = 4 µA (MAX.) AT TA = 25 °C
. HIGH NOISE IMMUNITY
VNIH = VNIL = 28 % VCC (MIN.)
. OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
. SYMMETRICAL OUTPUT IMPEDANCE
|IOH| = IOL = 4 mA (MIN.)
. BALANCED PROPAGATION DELAYS
tPLH = tPHL
. WIDE OPERATING VOLTAGE RANGE
VCC (OPR) = 2 V TO 6 V
. PIN AND FUNCTION COMPATIBLE
WITH 4543B
B1R
(Plastic Package)
F1R
(Ceramic Package)
M 1R
(Micro Package)
C1R
(Chip Carrier)
ORDER CODES :
M54HC4543F1R M74HC4543M1R
M74HC4543B1R M74HC4543C1R
PIN CONNECTIONS (top view)
DESCRIPTION
The M54/74HC4543 is a high speed CMOS BCD-
TO-7 SEGMENT DECODER WITH LCD DRIVER
fabricated in silicon gate C2MOS technology. High
speed latch and decode operation 120 times as fast
as standard CMOS 4511B while CMOS low power
consumption in maintained. This device consist of
BCD-TO-7 segment decoder with a BCD input latch
and a 7-segment driver for a liquid crystal display
(LCD). When any illegal BCD input signal is applied
or input BI is held high, the display is blanked. When
driving LCDs, a common square wave signal should
be applied not only to the PH input of this device but
also to the electrically common backplane of the dis-
play. For other types of readouts, such as light-emit-
ting diode (LED), some additional drivers, such as
a transistor array is required. All inputs are equipped
with protection circuits against static discharge and
transient excess voltage.
February 1993
NC =
No Internal
Connection
1/12

1 page




M74HC4543 pdf
M 54/ M74H C4543
DC SPECIFICATIONS
Symbol
Parameter
VIH High Level Input
Voltage
VIL Low Level Input
Voltage
VOH High Level
Output Voltage
VOL Low Level Output
Voltage
II Input Leakage
Current
ICC Quiescent Supply
Current
Test Conditions
VCC
(V)
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
VI =
VIH
IO=-20 µA
6.0 or
4.5 VIL IO=-4.0 mA
6.0 IO=-5.2 mA
2.0
4.5
VI =
VIH
IO= 20 µA
6.0 or
4.5 VIL IO= 4.0 mA
6.0 IO= 5.2 mA
6.0 VI = VCC or GND
TA = 25 oC
54HC and 74HC
Min. Typ. Max.
1.5
3.15
4.2
0.5
1.35
1.8
1.9 2.0
4.4 4.5
5.9 6.0
4.18 4.31
5.68 5.8
0.0 0.1
0.0 0.1
0.0 0.1
0.17 0.26
0.18 0.26
±0.1
Value
-40 to 85 oC
74HC
Min. Max.
1.5
3.15
4.2
0.5
1.35
1.8
1.9
4.4
5.9
4.13
5.63
0.1
0.1
0.1
0.37
0.37
±1
-55 to 125 oC
54HC
Min. Max.
1.5
3.15
4.2
0.5
1.35
1.8
1.9
4.4
5.9
4.10
5.60
0.1
0.1
0.1
0.40
0.40
±1
6.0 VI = VCC or GND
4 40 80
Unit
V
V
V
V
µA
µA
5/12

5 Page





M74HC4543 arduino
DIM.
A
B
D
d1
d2
E
e
e3
F
G
M
M1
M 54/ M74H C4543
MIN.
9.78
8.89
4.2
7.37
PLCC20 MECHANICAL DATA
mm
TYP.
2.54
0.56
1.27
5.08
0.38
1.27
1.14
MAX.
10.03
9.04
4.57
MIN.
0.385
0.350
0.165
8.38 0.290
0.101
inch
TYP.
0.100
0.022
0.050
0.200
0.015
0.050
0.045
MAX.
0.395
0.356
0.180
0.330
0.004
P027A
11/12

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