74HC112N データシートの表示（PDF） - Philips Electronics
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74HC112N Datasheet PDF : 15 Pages
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Philips Semiconductors
Dual JK flip-flop with set and reset;
negative-edge trigger
Product specification
74HC/HCT112
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
SYMBOL
PARAMETER
74HCT
+25
−40 to +85
−40 to +125
UNIT
VCC
(V)
WAVEFORMS
min. typ. max. min. max. min. max.
tPHL/ tPLH
propagation delay
nCP to nQ
21 35
tPHL/ tPLH
propagation delay
nCP to nQ
23 40
tPHL/ tPLH
propagation delay
nRD to nQ, nQ
22 37
tPHL/ tPLH
propagation delay
nSD to nQ, nQ
18 32
tTHL/ tTLH output transition time
7 15
tW
clock pulse width
HIGH or LOW
16 8
tW
set or reset pulse width
LOW
18
10
trem
removal time
nRD to nCP
trem
removal time
nSD to nCP
tsu
set-up time
nJ, nK to nCP
20 11
20 −8
16 7
th
hold time
nJ, nK to nCP
0 −7
fmax
maximum clock pulse
frequency
30
64
44
50
46
40
19
20
23
25
25
20
0
24
53 ns 4.5 Fig.6
60 ns 4.5 Fig.6
56 ns 4.5 Fig.7
48 ns 4.5 Fig.7
22 ns 4.5 Fig.6
24
ns 4.5 Fig.6
27
ns 4.5 Fig.7
30
ns 4.5 Fig.7
30
ns 4.5 Fig.7
24
ns 4.5 Fig.6
0
ns 4.5 Fig.6
20
MHz 4.5 Fig.6
1998 Jun 10
8
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