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74HC393 Datasheet, PDF (8/21 Pages) NXP Semiconductors – Dual 4-bit binary ripple counter
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NXP Semiconductors
74HC393; 74HCT393
Dual 4-bit binary ripple counter
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 11.
Symbol Parameter Conditions
25 C
40 C to +85 C 40 C to +125 C Unit
Min Typ Max Min
Max
Min
Max
74HC393
tpd
propagation nCP to nQ0; see Figure 9 [1]
delay
VCC = 2.0 V
-
41 125 -
VCC = 4.5 V
-
15 25 -
VCC = 5 V; CL = 15 pF
-
12 - -
VCC = 6.0 V
-
12 21 -
nQx to nQ(x1);
[1]
see Figure 9
155
-
31
-
-
-
26
-
190
ns
38
ns
-
ns
32
ns
VCC = 2.0 V
-
14 45 -
VCC = 4.5 V
-
5
9-
VCC = 5 V; CL = 15 pF
-
5
--
VCC = 6.0 V
-
4
8-
tPHL
HIGH to
nMR to nQx; see Figure 10
LOW
propagation
VCC = 2.0 V
-
39 140 -
delay
VCC = 4.5 V
-
14 28 -
VCC = 5 V; CL = 15 pF
-
11 - -
VCC = 6.0 V
-
11 24 -
tt
transition Qn; see Figure 9
time
VCC = 2.0 V
[2]
-
19 75 -
VCC = 4.5 V
-
7
15 -
VCC = 6.0 V
-
6
13 -
tW
pulse width nCP HIGH or LOW;
see Figure 9
55
-
11
-
-
-
9
-
175
-
35
-
-
-
30
-
95
-
19
-
16
-
70
ns
14
ns
-
ns
12
ns
210
ns
42
ns
-
ns
36
ns
110
ns
22
ns
19
ns
VCC = 2.0 V
80 17 - 100 -
120 -
ns
VCC = 4.5 V
16 6
- 20
-
24
-
ns
VCC = 6.0 V
14 5
- 17
-
20
-
ns
nMR HIGH; see Figure 10
VCC = 2.0 V
80 19 - 100 -
120 -
ns
VCC = 4.5 V
16 7
- 20
-
24
-
ns
VCC = 6.0 V
14 6
- 17
-
20
-
ns
trec
recovery
nMR to nCP; see Figure 10
time
VCC = 2.0 V
53
-5
-
5
-
ns
VCC = 4.5 V
51
-5
-
5
-
ns
VCC = 6.0 V
51
-5
-
5
-
ns
74HC_HCT393
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 16 May 2013
© NXP B.V. 2013. All rights reserved.
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