74HC4049 查看數據表（PDF） - Philips Electronics
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74HC4049 Datasheet PDF : 7 Pages
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Philips Semiconductors
Hex inverting high-to-low level shifter
Product specification
74HC4049
DC CHARACTERISTICS FOR 74HC
Voltages are referenced to GND (ground = 0 V)
SYMBOL
PARAMETER
Tamb (°C)
74HC
UNIT
+25
−40 to +85 −40 to +125
min. typ. max. min. max. min. max.
TEST CONDITIONS
VCC
(V)
VI
OTHER
VIH
HIGH level input 1.5 1.3
voltage
3.15 2.4
4.2 3.1
1.5
1.5
V 2.0
3.15
3.15
4.5
4.2
4.2
6.0
VIL
LOW level input
voltage
0.7 0.5
1.8 1.35
2.3 1.8
0.5
1.35
1.8
0.5 V 2.0
1.35
4.5
1.8
6.0
VOH
HIGH level
1.9 2.0
output voltage 4.4 4.5
all outputs
5.9 6.0
VOH
HIGH level
3.98
output voltage 5.48
standard outputs
1.9
1.9
4.4
4.4
5.9
5.9
3.84
3.7
5.34
5.2
V
2.0 VIH −IO = 20 µA
4.5 or −IO = 20 µA
6.0 VIL −IO = 20 µA
V
4.5 VIH −IO = 4.0 mA
6.0 or −IO = 5.2 mA
VIL
VOL
LOW level
output voltage
all outputs
0.1
0.1
0.1 V
2.0 VIH IO = 20 µA
0.1
0.1
0.1
4.5 or IO = 20 µA
0.1
0.1
0.1
6.0 VIL IO = 20 µA
VOL
LOW level
output voltage
standard outputs
± II
input leakage
current
0.26
0.26
0.1
0.33
0.33
1.0
0.4 V 4.5
0.4
6.0
1.0 µA 6.0
VIH
or
VIL
VCC
or
GND
IO = 4.0 mA
IO = 5.2 mA
0.5
5.0
5.0 µA 2.0 15 V
to
6.0
ICC
quiescent
supply current
2.0
20.0
40.0 µA 6.0 15 V
or
GND
December 1990
6
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