74HC161(2017) Просмотр технического описания (PDF) - NXP Semiconductors.
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Компоненты Описание
производитель
74HC161
(Rev.:2017)
(Rev.:2017)
NXP Semiconductors.
74HC161 Datasheet PDF : 21 Pages
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NXP Semiconductors
74HC161
Presettable synchronous 4-bit binary counter; asynchronous reset
Table 7. Dynamic characteristics …continued
Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 14.
Symbol Parameter Conditions
25 C
40 C to +85 C 40 C to +125 C Unit
Min Typ Max Min
Max
Min
Max
tW
pulse width CP; HIGH or LOW;
see Figure 9
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
MR; LOW; see Figure 11
80 22 -
100
16 8 -
20
14 6 -
17
-
120
-
24
-
20
- ns
- ns
- ns
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
trec
recovery MR to CP; see Figure 11
time
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
tsu
set-up time Dn to CP; see Figure 12
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
PE to CP; see Figure 12
80 19 -
100
16 7 -
20
14 6 -
17
100 19 -
125
20 7 -
25
17 6 -
21
80 25 -
100
16 9 -
20
14 7 -
17
-
120
-
24
-
20
-
150
-
30
-
26
-
120
-
24
-
20
- ns
- ns
- ns
- ns
- ns
- ns
- ns
- ns
- ns
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
CEP, CET to CP;
see Figure 13
100 30 -
125
20 11 -
25
17 9 -
21
-
150
-
30
-
26
- ns
- ns
- ns
VCC = 2.0 V
170 47 -
215
-
255
- ns
VCC = 4.5 V
34 17 -
43
-
51
- ns
VCC = 6.0 V
29 14 -
37
-
43
- ns
th
hold time Dn, PE, CEP, CET to CP;
see Figure 12 and Figure 13
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
fmax
maximum CP; see Figure 9
frequency
VCC = 2.0 V
VCC = 4.5 V
VCC = 5.0 V; CL = 15 pF
VCC = 6.0 V
0 14 -
0
0 5 -
0
0 4 -
0
4.6 13 -
3.6
23 40 -
18
- 44 -
-
27 48 -
21
-
0
-
0
-
0
-
3.0
-
15
-
-
-
18
- ns
- ns
- ns
- MHz
- MHz
- MHz
- MHz
74HC161
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 4 January 2017
© NXP Semiconductors N.V. 2017. All rights reserved.
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