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74HC4543 Datasheet, PDF (8/11 Pages) NXP Semiconductors – BCD to 7-segment latch/decoder/driver for LCDs
Philips Semiconductors
BCD to 7-segment latch/decoder/driver for
LCDs
Product specification
74HC/HCT4543
DC CHARACTERISTICS FOR 74HCT
Output capability: non-standard
ICC category: MSI
Voltages are referenced to GND (ground = 0 V)
SYMBOL
PARAMETER
Tamb (°C)
TEST CONDITIONS
74HCT
+25
−40 to +85
−40 to +125
UNIT
VCC
(V)
VI
min. typ. max. min. max. min. max.
OTHER
VIH
VIL
VOH
VOH
VOL
VOL
±II
ICC
∆ICC
HIGH level input 2.0 1.6
voltage
2.0
2.0
V
LOW level input
voltage
1.2 0.8
0.8
0.8 V
HIGH level output 4.4 4.5
voltage
4.4
4.4
V
HIGH level output 3.98 4.32
3.84
3.7
V
voltage
LOW level output
0
0.1
0.1
0.1 V
voltage
LOW level output
voltage
0.15 0.26
0.33
0.4 V
input leakage
current
0.1
1.0
1.0 µA
quiescent supply
current
8.0
80.0
160.0 µA
additional
100 360
450
490 µA
quiescent supply
current per input
pin for unit load
coefficient is 1
(note 1)
4.5
to
5.5
4.5
to
5.5
4.5 VIH
or
VIL
4.5 VIH
or
VIL
4.5 VIH
or
VIL
4.5 VIH
or
VIL
−IO = 20 µA
−IO = 1.0 mA
IO = 20 µA
IO = 1.0 mA
5.5 VCC
or
GND
5.5 VCC IO = 0
or
GND
4.5 VCC other inputs
to −2.1V at VCC or
5.5
GND; IO = 0
December 1990
8