74HC237DB View Datasheet(PDF) - NXP Semiconductors.
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74HC237DB Datasheet PDF : 17 Pages
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NXP Semiconductors
74HC237
3-to-8 line decoder, demultiplexer with address latches
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
+85 C
Min Typ Max Min Max
II
input leakage VI = VCC or GND;
current
VCC = 6.0 V
-
- 0.1 -
1.0
ICC
supply current VI = VCC or GND; IO = 0 A;
-
- 8.0
-
80
VCC = 6.0 V
CI
input
capacitance
- 3.5 -
-
-
Tamb = 40 C to Unit
+125 C
Min
Max
-
1.0 A
-
160 A
-
- pF
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 10.
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
tpd
propagation An to Yn; see Figure 7
[1]
delay
VCC = 2.0 V
-
52 160 -
200
-
240 ns
VCC = 4.5 V
-
19 32
-
40
-
48 ns
VCC = 5 V; CL = 15 pF
-
16 -
-
-
-
-
ns
VCC = 6.0 V
-
15 27
-
34
-
41 ns
LE to Yn; see Figure 7
[1]
VCC = 2.0 V
-
61 190 -
240
-
285 ns
VCC = 4.5 V
-
22 38
-
48
-
57 ns
VCC = 5 V; CL = 15 pF
-
19 -
-
-
-
-
ns
VCC = 6.0 V
-
18 32
-
41
-
48 ns
E1to Yn; see Figure 8
[1]
VCC = 2.0 V
-
47 145 -
180
-
220 ns
VCC = 4.5 V
-
17 29
-
36
-
44 ns
VCC = 5 V; CL = 15 pF
-
14 -
-
-
-
-
ns
VCC = 6.0 V
-
14 25
-
31
-
38 ns
E2 to Yn; see Figure 7
[1]
VCC = 2.0 V
-
47 145 -
180
-
220 ns
VCC = 4.5 V
-
17 29
-
36
-
44 ns
VCC = 5 V; CL = 15 pF
-
14 -
-
-
-
-
ns
VCC = 6.0 V
-
14 25
-
31
-
38 ns
tt
transition Yn; see Figure 7 and
[2]
time
Figure 8
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
-
19 75
-
95
-
110 ns
-
7 15
-
19
-
22 ns
-
6 13
-
16
-
19 ns
74HC237
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 10 January 2011
© NXP B.V. 2011. All rights reserved.
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