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74HC4543 Datasheet, PDF (8/11 Pages) NXP Semiconductors – BCD to 7-segment latch/decoder/driver for LCDs | |||
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Philips Semiconductors
BCD to 7-segment latch/decoder/driver for
LCDs
Product speciï¬cation
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
â40 to +85
â40 to +125
UNIT
VCC
(V)
VI
min. typ. max. min. max. min. max.
OTHER
VIH
VIL
VOH
VOH
VOL
VOL
±II
ICC
âICC
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
coefï¬cient 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
âIO = 20 µA
âIO = 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 â2.1V at VCC or
5.5
GND; IO = 0
December 1990
8
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