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HD74HC109 Datasheet(PDF) 4 Page - Hitachi Semiconductor

Part No. HD74HC109
Description  Dual J-K Flip-Flops (with Preset and Clear)
Download  9 Pages
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Maker  HITACHI [Hitachi Semiconductor]
Homepage  http://www.renesas.com/eng
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HD74HC109 Datasheet(HTML) 4 Page - Hitachi Semiconductor

   
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HD74HC109
4
AC Characteristics (C
L = 50 pF, Input tr = tf = 6 ns)
Ta = 25
°C
Ta = –40 to
+85
°C
Item
Symbol
V
CC (V)
Min Typ Max Min
Max
Unit
Test Conditions
Maximum clock
f
max
2.0
5
4
MHz
frequency
4.5
27
21
6.0
32
25
Propagation delay t
PLH
2.0
175 —
220
ns
Clock to Q or
Q
time
t
PHL
4.5
15
35
44
6.0
30
37
2.0
190 —
240
ns
Preset or Clear to Clock
4.5
14
38
48
6.0
32
41
Removal time
t
rem
2.0
25
32
ns
4.5
5
1
6
6.0
4
5
Setup time
t
su
2.0
100 —
125
ns
4.5
20
4
25
6.0
17
21
Hold time
t
h
2.0
0
0
ns
4.5
0
–4
0
6.0
0
0
Pulse width
t
w
2.0
80
100
ns
4.5
16
5
20
6.0
14
17
Output rise/fall
t
TLH
2.0
75
90
ns
time
t
THL
4.5
5
15
19
6.0
13
16
Input capacitance
Cin
5
10
10
pF


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