m54hc273k1 STMicroelectronics, m54hc273k1 Datasheet - Page 5

• Manufacturer Part Number: m54hc273k1
• Description: Octal D Type Flip Flop With Clear
• Manufacturer: STMicroelectronics

AC ELECTRICAL CHARACTERISTICS (C
CAPACITIVE CHARACTERISTICS
1) C
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
FLOP), and the total CPD when n pcs of FLIP FLOP operate can be gained by the following equations: CPD (total) = 32 + 11 x n
t
t
Symbol
Symbol
PLH
TLH
t
t
f
t
C
t
t
W(H)
C
PD
MAX
W(L)
REM
W(L)
PHL
t
t
PD
s
h
IN
t
t
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
THL
PHL
Output Transition
Time
Propagation Delay
Time
(CLOCK - Q)
Propagation Delay
Time
(CLEAR - Q)
Maximum Clock
Frequency
Minimum Pulse
Width (CLOCK)
Minimum Pulse
Width (CLEAR)
Minimum Set-up
Time
Minimum Hold
Time
Minimum Removal
Time (CLEAR)
Input Capacitance
Power Dissipation
Capacitance
(note 1)
Parameter
Parameter
V
V
(V)
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
(V)
5.0
5.0
CC
CC
Test Conditions
Test Condition
L
= 50 pF, Input t
Min.
Min.
30
35
6
T
T
A
A
r
Typ.
Typ.
= 25°C
= 25°C
25
54
18
15
60
20
17
18
56
66
28
28
20
16
43
= t
7
6
7
6
7
6
4
3
4
3
5
f
= 6ns)
Max.
Max.
145
160
75
15
13
29
25
32
27
75
15
13
75
15
13
75
15
13
50
10
10
0
0
0
9
Value
Value
CC(opr)
Min.
Min.
-40 to 85°C
-40 to 85°C
4.8
24
28
= C
Max.
Max.
180
200
95
19
16
36
31
40
34
95
19
16
95
19
16
95
19
16
65
13
10
11
PD
0
0
0
x V
CC
-55 to 125°C
-55 to 125°C
Min.
Min.
20
24
4
x f
IN
+ I
M54HC273
Max.
Max.
110
220
240
110
110
110
CC
22
19
44
37
48
41
22
19
22
19
22
19
75
15
13
10
0
0
0
/8 (per FLIP
MHz
Unit
Unit
pF
pF
ns
ns
ns
ns
ns
ns
ns
ns
5/10