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74HC View Datasheet(PDF) - Philips Electronics

Part Name
Description
Manufacturer
74HC Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
Philips Semiconductors
Dual JK flip-flop with set and reset;
positive-edge trigger
Product specification
74HC/HCT109
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: flip-flops
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
SYMBOL
PARAMETER
min.
+25
typ.
max.
74HCT
40 to +85
min. max.
40 to +125
min. max.
UNIT
VCC
(V)
WAVEFORMS
tPHL/ tPLH
propagation delay
nCP to nQ, nQ
20 35
tPLH
propagation delay
nSD to nQ
tPHL
propagation delay
nSD to nQ
tPHL
propagation delay
nRD to nQ
13 26
19 35
19 35
tPLH
propagation delay
nRD to nQ
16 32
tTHL/ tTLH output transition time
7 15
tW
clock pulse width
HIGH or LOW
18 9
tW
set or reset pulse width
HIGH or LOW
16
8
trem
removal time
nSD, nRD to nCP
16 8
tsu
set-up time
nJ, nK to nCP
18 8
th
hold time
nJ, nK to nCP
3 3
fmax
maximum clock
pulse frequency
27 55
44
33
44
44
40
19
23
20
20
23
3
22
53
39
53
53
48
22
27
24
24
27
3
18
ns 4.5 Fig.6
ns 4.5 Fig.7
ns 4.5 Fig.7
ns 4.5 Fig.7
ns 4.5 Fig.7
ns 4.5 Fig.6
ns 4.5 Fig.6
ns 4.5 Fig.7
ns 4.5 Fig.7
ns 4.5 Fig.6
ns 4.5 Fig.6
MHz 4.5 Fig.6
1997 Nov 25
6
 

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