參數(shù)資料
型號: 74HC73
廠商: NXP Semiconductors N.V.
英文描述: Dual JK flip-flop with reset; negative-edge trigger
中文描述: 雙JK觸發(fā)器的復(fù)位觸發(fā)器,負(fù)邊沿觸發(fā)
文件頁數(shù): 9/21頁
文件大?。?/td> 110K
代理商: 74HC73
9397 750 13815
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 03 — 12 November 2004
9 of 21
Philips Semiconductors
74HC73
Dual JK flip-flop with reset; negative-edge trigger
11. Dynamic characteristics
Table 8:
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF; see
Figure 8
.
Symbol
Parameter
T
amb
= 25
°
C
t
PHL
, t
PLH
propagation delay nCP to nQ
Dynamic characteristics
Conditions
Min
Typ
Max
Unit
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
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
see
Figure 7
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 6
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
see
Figure 6
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
see
Figure 7
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
see
Figure 7
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
see
Figure 6
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
-
-
-
-
52
19
15
16
160
32
27
-
ns
ns
ns
ns
propagation delay nCP to nQ
-
-
-
-
52
19
15
16
160
32
27
-
ns
ns
ns
ns
propagation delay nR to nQ, nQ
-
-
-
-
50
18
14
15
145
29
25
-
ns
ns
ns
ns
t
THL
, t
TLH
output transition time
-
-
-
19
7
6
75
15
13
ns
ns
ns
t
W
nCP clock pulse width HIGH or LOW
80
16
14
22
8
6
-
-
-
ns
ns
ns
nR reset pulse width HIGH or LOW
80
16
14
22
8
6
-
-
-
ns
ns
ns
t
rem
removal time nR to nCP
80
16
14
22
8
6
-
-
-
ns
ns
ns
t
su
set-up time nJ, nK to nCP
80
16
14
22
8
6
-
-
-
ns
ns
ns
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