74HCT Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
fabricante
74HCT Datasheet PDF : 19 Pages
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Philips Semiconductors
HCMOS family characteristics
FAMILY SPECIFICATIONS
DC CHARACTERISTICS FOR 74HCU
Voltages are referenced to GND (ground = 0 V)
SYMBOL PARAMETER
Tamb (°C)
TEST CONDITIONS
74HCU
+25
−40 to +85
UNIT
−40 to +125
VCC
(V)
VI
min. typ. max. min. max. min. max.
OTHER
VIH
HIGH level input
1.7 1.4
1.7
1.7
V 2.0
voltage
3.6 2.6
3.6
3.6
4.5
4.8 3.4
4.8
4.8
6.0
VIL
LOW level input
voltage
0.6 0.3
0.3
0.3 V 2.0
1.9 0.9
0.9
0.9
4.5
2.6 1.2
1.2
1.2
6.0
VOH
HIGH level output
1.8 2.0
1.8
1.8
voltage
4.0 4.5
4.0
4.0
5.5 6.0
5.5
5.5
VOH
HIGH level output
3.98 4.32
3.84
3.7
voltage
5.48 5.81
5.34
5.2
V
2.0 VIH −IO = 20 µA
4.5 or
6.0 VIL
−IO = 20 µA
−IO = 20 µA
V
4.5 VCC −IO = 4.0 mA
6.0 or
−IO = 5.2 mA
GND
VOL
LOW level output
voltage
VOL
LOW level output
voltage
0 0.2
0 0.5
0 0.5
0.15 0.26
0.16 0.26
0.2
0.5
0.5
0.33
0.33
0.2 V
0.5
0.5
0.4 V
0.4
2.0 VIH
4.5 or
6.0 VIL
IO = 20 µA
IO = 20 µA
IO = 20 µA
4.5 VCC IO = 4.0 mA
6.0 or
IO = 5.2 mA
GND
±II
input leakage current
0.1
1.0
1.0 µA 6.0 VCC
or
GND
ICC
quiescent supply
current SSI
2.0
20.0
40.0 µA 6.0 VCC IO = 0
or
GND
March 1988
7
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