74HC161 Просмотр технического описания (PDF) - NXP Semiconductors.
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74HC161 Datasheet PDF : 18 Pages
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Nexperia
74HC161
Presettable synchronous 4-bit binary counter; asynchronous reset
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 Fig. 14.
Symbol Parameter Conditions
25 °C
-40 °C to +85 °C -40 °C to +125 °C Unit
Min Typ Max Min
Max
Min
Max
tpd
propagation CP to Qn; see Fig. 9
delay
VCC = 2.0 V
[1]
- 61 190
-
240
-
285 ns
VCC = 4.5 V
- 22 38
-
48
-
57 ns
VCC = 5.0 V; CL = 15 pF
VCC = 6.0 V
CP to TC; see Fig. 9
- 19 -
-
- 18 32
-
-
-
41
-
- ns
48 ns
VCC = 2.0 V
VCC = 4.5 V
VCC = 5.0 V; CL = 15 pF
VCC = 6.0 V
CET to TC; see Fig. 10
- 69 215
-
- 25 43
-
- 21 -
-
- 20 37
-
270
-
54
-
-
-
46
-
325 ns
65 ns
- ns
55 ns
VCC = 2.0 V
VCC = 4.5 V
VCC = 5.0 V; CL = 15 pF
VCC = 6.0 V
tPHL
HIGH to LOW MR to Qn; see Fig. 11
propagation
delay
VCC = 2.0 V
VCC = 4.5 V
- 33 150
-
- 12 30
-
- 10 -
-
- 10 26
-
- 63 210
-
- 23 42
-
190
-
38
-
-
-
38
-
265
-
53
-
225 ns
45 ns
- ns
31 ns
315 ns
63 ns
VCC = 5.0 V; CL = 15 pF
- 20 -
-
-
-
- ns
VCC = 6.0 V
- 18 36
-
45
-
54 ns
MR to TC; see Fig. 11
VCC = 2.0 V
- 63 220
-
275
-
330 ns
VCC = 4.5 V
- 23 44
-
55
-
66 ns
VCC = 5.0 V; CL = 15 pF
- 20 -
-
-
-
- ns
VCC = 6.0 V
- 18 37
-
47
-
56 ns
tt
transition
see Fig. 9 and Fig. 10
[2]
time
VCC = 2.0 V
- 19 75
-
95
-
110 ns
VCC = 4.5 V
- 7 15
-
19
-
22 ns
VCC = 6.0 V
- 6 13
-
16
-
19 ns
tW
pulse width CP; HIGH or LOW; see Fig. 9
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
MR; LOW; see Fig. 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
80 19 -
100
16 7 -
20
14 6 -
17
-
120
-
24
-
20
- ns
- ns
- ns
74HC161
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 4 October 2018
© Nexperia B.V. 2018. All rights reserved
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