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SN54HC174_16 Datasheet, PDF (4/21 Pages) Texas Instruments – HEX D-TYPE FLIP-FLOPS WITH CLEAR
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SN54HC174, SN74HC174
HEX DĆTYPE FLIPĆFLOPS
WITH CLEAR
SCLS119D − DECEMBER 1982 − REVISED SEPTEMBER 2003
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
fclock Clock frequency
tw
Pulse duration
tsu
Setup time before CLK↑
th
Hold time, data after CLK↑
CLR low
CLK high or low
Data
CLR inactive
VCC
2V
4.5 V
6V
2V
4.5 V
6V
2V
4.5 V
6V
2V
4.5 V
6V
2V
4.5 V
6V
2V
4.5 V
6V
TA = 25°C
MIN MAX
6
31
36
80
16
14
80
16
14
100
20
17
100
20
17
0
0
0
SN54HC174
MIN MAX
4.2
21
25
120
24
20
120
24
20
150
30
25
150
30
25
0
0
0
SN74HC174
MIN MAX
5
25
29
100
20
17
100
20
17
125
25
21
125
25
21
0
0
0
UNIT
MHz
ns
ns
ns
switching characteristics over recommended operating free-air temperature range, CL = 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
fmax
tpd
tt
FROM
(INPUT)
CLR
CLK
TO
(OUTPUT)
Any
Any
Any
VCC
2V
4.5 V
6V
2V
4.5 V
6V
2V
4.5 V
6V
2V
4.5 V
6V
TA = 25°C
MIN TYP MAX
6
9
31
44
36
50
58 160
17
32
14
27
58 160
17
32
14
27
38
75
8
15
6
13
SN54HC174
MIN MAX
4.2
21
25
240
48
41
240
48
41
110
22
19
SN74HC174
MIN MAX
5
25
29
200
40
34
200
40
34
90
19
16
UNIT
MHz
ns
ns
operating characteristics, TA = 25°C
PARAMETER
Cpd Power dissipation capacitance per flip-flop
TEST CONDITIONS
No load
TYP UNIT
27 pF
4
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