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CD74HC374 Datasheet, PDF (5/9 Pages) Texas Instruments – High Speed CMOS Logic Octal D-Type Flip-Flop, Three-State Positive-Edge Triggered
◁
CD74HC374, CD74HCT374, CD74HC574, CD74HCT574
Prerequisite for Switching Specifications
PARAMETER
HC TYPES
Maximum Clock
Frequency
Clock Pulse Width
Setup Time
Data to Clock
Hold Time
Data to Clock
HCT TYPES
Maximum Clock
Frequency
Clock Pulse Width
Setup Time
Data to Clock
Hold Time
Data to Clock
SYMBOL VCC (V) MIN
fMAX
tW
tSU
tH
2
6
4.5
30
6
35
2
80
4.5
16
6
14
2
60
4.5
12
6
10
2
5
4.5
5
6
5
fMAX
tW
tSU
tH
4.5
30
4.5
16
4.5
12
4.5
5
25oC
TYP
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
MAX
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-40oC TO 85oC
MIN TYP MAX
5
-
-
25
-
-
29
-
-
100
-
-
20
-
-
17
-
-
75
-
-
15
-
-
13
-
-
5
-
-
5
-
-
5
-
-
25
-
-
20
-
-
15
-
-
5
-
-
-55oC TO 125oC
MIN TYP MAX UNITS
4
-
20
-
23
-
120
-
24
-
20
-
90
-
18
-
15
-
5
-
5
-
5
-
-
MHz
-
MHz
-
MHz
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
20
-
24
-
18
-
5
-
-
MHz
-
ns
-
ns
-
ns
Switching Specifications CL = 50pF, Input tr, tf = 6ns
PARAMETER
HC TYPES
Propagation Delay
Clock to Output
Output Disable to Q
TEST
SYMBOL CONDITIONS VCC (V) MIN
tPLH, tPHL CL = 50pF
2
-
4.5
-
CL = 15pF
5
-
CL = 50pF
6
-
tPLZ, tPHZ CL = 50pF
2
-
4.5
-
CL = 15pF
5
-
CL = 50pF
6
-
25oC
TYP MAX
- 165
-
33
15
-
-
28
- 135
-
27
11
-
-
23
-40oC TO
85oC
MIN MAX
-
205
-
41
-
-
-
35
-
170
-
34
-
-
-
29
-55oC TO
125oC
MIN MAX UNITS
-
250 ns
-
50
ns
-
-
ns
-
43
ns
-
205 ns
-
41
ns
-
-
ns
-
35
ns
5
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