74HC377(2013) 查看數據表（PDF） - NXP Semiconductors.
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74HC377 Datasheet PDF : 20 Pages
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NXP Semiconductors
74HC377; 74HCT377
Octal D-type flip-flop with data enable; positive-edge trigger
Table 7. Dynamic characteristics …continued
GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit, see Figure 8
Symbol Parameter
Conditions
25 C
40 C to +85 C 40 C to +125 C Unit
Min Typ Max Min Max
Min
Max
th
hold time
Dn to CP; see Figure 7
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
E to CP; see Figure 7
3 8 -
3
-
3
- ns
3 3 -
3
-
3
- ns
3 2 -
3
-
3
- ns
VCC = 2.0 V
4 3 -
4
-
4
- ns
VCC = 4.5 V
4 1 -
4
-
4
- ns
VCC = 6.0 V
4 1 -
4
-
4
- ns
fmax
maximum
frequency
CP input; see Figure 6
VCC = 2.0 V
6 23 -
5
-
4
- MHz
VCC = 4.5 V
30 70 -
24
-
20
- MHz
VCC = 5.0 V; CL = 15 pF
- 77 -
-
-
-
- MHz
VCC = 6.0 V
35 83 -
28
-
24
- MHz
CPD
power
per package;
dissipation
VI = GND to VCC
capacitance
[3] - 20 -
-
-
-
- pF
74HCT377
tpd
propagation
CP to Qn; see Figure 6 [1]
delay
VCC = 4.5 V
- 17 32
-
40
-
48 ns
VCC = 5.0 V; CL = 15 pF
- 14 -
-
-
-
- ns
tt
transition time Qn output; see Figure 6 [2]
VCC = 4.5 V
- 7 15
-
19
-
22 ns
tW
pulse width
CP input; see Figure 6
VCC = 4.5 V
20 8 -
25
-
30
- ns
tsu
set-up time
Dn to CP; see Figure 7
VCC = 4.5 V
12 4 -
15
-
18
- ns
E to CP; see Figure 7
VCC = 4.5 V
th
hold time
Dn to CP; see Figure 7
VCC = 4.5 V
E to CP; see Figure 7
22 12 -
28
-
33
- ns
2 4 -
2
-
2
- ns
VCC = 4.5 V
3 2 -
3
-
3
- ns
fmax
maximum
frequency
CP input; see Figure 6
VCC = 4.5 V
27 48 -
22
-
18
- MHz
VCC = 5.0 V; CL = 15 pF
- 53 -
-
-
-
- MHz
74HC_HCT377
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 25 September 2013
© NXP B.V. 2013. All rights reserved.
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