74HC237N Datasheet, PDF (9/19 Pages) NXP Semiconductors – 3-to-8 line decoder, demultiplexer with address latches

Philips Semiconductors
74HC237
3-to-8 line decoder, demultiplexer with address latches
11. Dynamic characteristics
Table 8: Dynamic characteristics
GND = 0 V; t_r = t_f = 6 ns; C_L = 50 pF; see Figure 9.
Symbol
Parameter
Conditions
Min
Typ
Max Unit
T_amb = 25 °C
t_PHL, t_PLH
propagation delay An to Yn see Figure 6
V_CC = 2.0 V
-
V_CC = 4.5 V
-
V_CC = 6.0 V
-
V_CC = 5.0 V; C_L = 15 pF
-
propagation delay LE to Yn see Figure 6
52
160
ns
19
32
ns
15
27
ns
16
-
ns
V_CC = 2.0 V
-
V_CC = 4.5 V
-
V_CC = 6.0 V
-
V_CC = 5.0 V; C_L = 15 pF
-
propagation delay E1to Yn
see Figure 7
61
190
ns
22
38
ns
18
32
ns
19
-
ns
V_CC = 2.0 V
-
V_CC = 4.5 V
-
V_CC = 6.0 V
-
V_CC = 5.0 V; C_L = 15 pF
-
propagation delay E2 to Yn see Figure 6
47
145
ns
17
29
ns
14
25
ns
14
-
ns
t_THL, t_TLH
t_W
t_su
t_h
C_PD
output transition time
V_CC = 2.0 V
-
V_CC = 4.5 V
-
V_CC = 6.0 V
-
V_CC = 5.0 V; C_L = 15 pF
-
see Figure 7
47
145
ns
17
29
ns
14
25
ns
14
-
ns
LE pulse width HIGH
V_CC = 2.0 V
V_CC = 4.5 V
V_CC = 6.0 V
see Figure 8
-
19
75
ns
-
7
15
ns
-
6
13
ns
set-up time An to LE
V_CC = 2.0 V
V_CC = 4.5 V
V_CC = 6.0 V
see Figure 8
50
11
-
ns
10
4
-
ns
9
3
-
ns
hold time An to LE
V_CC = 2.0 V
V_CC = 4.5 V
V_CC = 6.0 V
see Figure 8
50
6
-
ns
10
2
-
ns
9
2
-
ns
power dissipation capacitance
V_CC = 2.0 V
V_CC = 4.5 V
V_CC = 6.0 V
V_I = GND to V_CC
30
3
-
ns
6
1
-
ns
5
1
-
ns
[1] _-
60
-
pF
9397 750 13807
Product data sheet
Rev. 03 — 12 November 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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