M74HCT74 STMICROELECTRONICS [STMicroelectronics], M74HCT74 Datasheet - Page 5

• Manufacturer Part Number: M74HCT74
• Description: DUAL D TYPE FLIP FLOP WITH PRESET AND CLEAR
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

AC ELECTRICAL CHARACTERISTICS (C
(*) C
(Refer to Test Circuit). Average operting current can be obtained by the following equation. I
Symbol
C
t
f
t
t
t
t
t
t
t
t
t
PD
MAX
W(H)
W(L)
W(L)
REM
C
TLH
THL
PLH
PHL
PLH
PHL
t
t
PD
s
h
IN
(*)
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load.
Output Transition
Time
Propagation
Delay Time
(CLOCK - Q)
Propagation
Delay Time
(CL, PR - Q, Q)
Maximum Clock
Frequency
Minimum Pulse
Width
(CLOCK)
Minimum Pulse
Width
(CL, PR)
Minimum Set-up
Time
Minimum Hold
Time
Minimum
Removal Time
(CL, PR)
Input Capacitance
Power Dissipation
Capacitance
Parameter
V
(V)
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
CC
Test Conditions
L
= 50 pF, Input t
Min.
27
54HC and 74HC
T
A
Typ.
= 25
21
18
48
32
8
6
8
7
1
5
o
C
Max.
15
33
30
15
15
15
10
CC
0
5
r
(opr) = C
= t
Value
f
-40 to 85
Min.
= 6 ns)
22
5
PD
74HC
V
CC
Max.
19
41
38
19
19
19
10
0
6
o
f
C
IN
+ I
-55 to 125
CC
M54/M74HCT74
Min.
18
/2 (per FLIP/FLOP)
5
54HC
Max.
22
50
45
23
23
23
10
0
8
o
C
MHz
Unit
pF
pF
ns
ns
ns
ns
ns
ns
ns
ns
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