M54HC138K_ Просмотр технического описания (PDF) - STMicroelectronics
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M54HC138K_ Datasheet PDF : 10 Pages
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M54HCT138
Table 5: DC Specifications
Test Condition
Value
Symbol
Parameter
VCC
(V)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
VIH High Level Input
4.5
Voltage
to
5.5
2.0
2.0
2.0
V
VIL Low Level Input
4.5
Voltage
to
5.5
0.8
0.8
0.8 V
VOH High Level Output
Voltage
4.5
IO=-20 µA
IO=-4.0 mA
4.4 4.5
4.18 4.31
4.4
4.13
4.4
4.10
V
VOL Low Level Output
Voltage
4.5
IO=20 µA
IO=4.0 mA
0.0 0.1
0.17 0.26
0.1
0.33
0.1
V
0.40
II
Input Leakage
Current
5.5 VI = VCC or GND
± 0.1
±1
± 1 µA
ICC
Quiescent Supply
Current
5.5 VI = VCC or GND
4
40
80 µA
∆ ICC
Additional Worst
Case Supply
Current
5.5
Per Input pin
VI = 0.5V or
VI = 2.4V
Other Inputs at
VCC or GND
IO = 0
2.0
2.9
3.0 mA
Table 6: AC Electrical Characteristics (CL = 50 pF, Input tr = tf = 6ns)
Test Condition
Symbol
Parameter
VCC
(V)
tTLH tTHL Output Transition
Time
4.5
tPLH tPHL Propagation Delay
Time (A, B, C - Y)
4.5
tPLH tPHL Propagation Delay
Time (G1 - Y)
4.5
tPLH tPHL Propagation Delay
Time (G2 - Y)
4.5
Table 7: Capacitive Characteristics
Value
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
8 15
19
22 ns
17 30
38
45 ns
16 30
38
45 ns
19 30
38
45 ns
Test Condition
Value
Symbol
Parameter
VCC
(V)
CIN Input Capacitance
CPD Power Dissipation
Capacitance (note
1)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
5 10
10
10 pF
52
pF
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC
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