74HC138N 데이터 시트보기 (PDF) - NXP Semiconductors.
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74HC138N Datasheet PDF : 19 Pages
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NXP Semiconductors
74HC138; 74HCT138
3-to-8 line decoder/demultiplexer; inverting
Table 6. Static characteristics …continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
Tamb = 25 °C
Tamb = −40 °C to Tamb = −40 °C to Unit
+85 °C
+125 °C
Min Typ Max Min Max
Min
Max
ΔICC
additional
supply current
VI = VCC − 2.1 V;
other inputs at VCC or GND;
VCC = 4.5 V to 5.5 V;
IO = 0 A
per input pin; An inputs
- 150 540
-
675
-
735 μA
per input pin; En inputs
- 125 450
-
562.5
-
612.5 μA
per input pin; E3 input
- 100 360
-
450
-
490 μA
CI
input
- 3.5 -
pF
capacitance
10. Dynamic characteristics
Table 7. Dynamic characteristics
Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 8.
Symbol Parameter Conditions
Tamb = 25 °C
Tamb = −40 °C
to +85 °C
Tamb = −40 °C Unit
to +125 °C
Min Typ Max Min
Max
Min
Max
For type 74HC138
tpd
propagation An to Yn; see Figure 6
[1]
delay
VCC = 2.0 V
-
41 150 -
190
-
225 ns
VCC = 4.5 V
-
15 30
-
38
-
45 ns
VCC = 5 V; CL = 15 pF
-
12 -
-
-
-
-
ns
VCC = 6.0 V
-
12 26
-
33
-
38 ns
E3 to Yn; see Figure 6
[1]
VCC = 2.0 V
-
47 150 -
190
-
225 ns
VCC = 4.5 V
-
17 20
-
38
-
45 ns
VCC = 5 V; CL = 15 pF
-
14 -
-
-
-
-
ns
VCC = 6.0 V
-
14 26
-
33
-
38 ns
En to Yn; see Figure 7
[1]
VCC = 2.0 V
-
47 150 -
190
-
225 ns
VCC = 4.5 V
-
17 20
-
38
-
45 ns
VCC = 5 V; CL = 15 pF
-
14 -
-
-
-
-
ns
VCC = 6.0 V
-
14 26
-
33
-
38 ns
tt
transition Yn; see Figure 6 and
[2]
time
Figure 7
VCC = 2.0 V
-
19 75
-
95
-
110 ns
VCC = 4.5 V
-
7 15
-
19
-
22 ns
VCC = 6.0 V
-
6 13
-
16
-
19 ns
CPD
power
CL = 50 pF; f = 1 MHz;
[3] -
67 -
-
-
-
-
pF
dissipation VI = GND to VCC
capacitance
74HC_HCT138
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 27 June 2012
© NXP B.V. 2012. All rights reserved.
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