74HC238 Datasheet, PDF (7/18 Pages) NXP Semiconductors – 3-to-8 line decoder/demultiplexer

NXP Semiconductors
74HC238; 74HCT238
3-to-8 line decoder/demultiplexer
Table 6. Static characteristics …continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions
25 °C
−40 °C to +85 °C −40 °C to +125 °C Unit
Min Typ Max Min Max
Min
Max
I_CC
supply current V_I = V_CC or GND;
V_CC = 5.5 V; I_O = 0 A
- - 8.0
-
80
-
160 µA
∆I_CC
additional
supply current
per input pin;
V_I = V_CC − 2.1 V;
other inputs at V_CC or GND;
V_CC = 4.5 V to 5.5 V;
I_O = 0 A
An inputs
- 70 252
-
315
-
343 µA
E1, E2 inputs
- 40 144
-
180
-
196 µA
E3 input
- 145 522
-
653
-
711 µA
C_I
input
capacitance
- 3.5 -
-
-
-
- pF
10. Dynamic characteristics
Table 7. Dynamic characteristics
GND = 0 V; test circuit see Figure 8.
Symbol Parameter
Conditions
Min
74HC238
t_pd
propagation delay An to Yn; see Figure 6
V_CC = 2.0 V
V_CC = 4.5 V
V_CC = 5.0 V; C_L = 15 pF
V_CC = 6.0 V
E3 to Yn; see Figure 6
[1]
-
-
-
-
[1]
V_CC = 2.0 V
V_CC = 4.5 V
V_CC = 5.0 V; C_L = 15 pF
V_CC = 6.0 V
En to Yn or see Figure 7
-
-
-
-
[1]
V_CC = 2.0 V
-
V_CC = 4.5 V
-
V_CC = 5.0 V; C_L = 15 pF
-
V_CC = 6.0 V
-
t_t
transition time
see Figure 6 and Figure 7
[2]
V_CC = 2.0 V
-
V_CC = 4.5 V
-
V_CC = 6.0 V
-
C_PD
power dissipation per package; V_I = GND to V_CC ^[3] -
capacitance
74HC_HCT238_3
Product data sheet
Rev. 03 — 16 July 2007
25 °C
Typ
47
17
14
14
52
19
16
15
50
18
17
14
19
7
6
72
−40 °C to +125 °C
Max Max
Max Unit
(85 °C) (125 °C)
150
190
30
38
-
-
26
33
225 ns
45 ns
- ns
38 ns
160
200
32
40
-
-
27
34
240 ns
48 ns
- ns
41 ns
155
195
31
39
-
-
26
33
235 ns
47 ns
- ns
40 ns
75
95
110 ns
15
19
22 ns
13
16
19 ns
-
-
- pF
© NXP B.V. 2007. All rights reserved.
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