M74HC273TTR Ver la hoja de datos (PDF) - STMicroelectronics
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M74HC273TTR Datasheet PDF : 11 Pages
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M74HC273
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
Test Conditions
Value
Symbol
Parameter
VCC
(V)
tTLH tTHL Output Transition 2.0
Time
4.5
6.0
tPLH tPHL Propagation Delay 2.0
Time
4.5
(CLOCK - Q)
6.0
tPHL Propagation Delay 2.0
Time
4.5
(CLEAR - Q)
6.0
fMAX Maximum Clock
2.0
Frequency
4.5
6.0
tW(H) Minimum Pulse
2.0
tW(L) Width (CLOCK)
4.5
6.0
tW(L) Minimum Pulse
2.0
Width (CLEAR)
4.5
6.0
ts
Minimum Set-up
2.0
Time
4.5
6.0
th Minimum Hold
2.0
Time
4.5
6.0
tREM Minimum Removal 2.0
Time (CLEAR)
4.5
6.0
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min.
6
30
35
Typ. Max.
25 75
7 15
6 13
54 145
18 29
15 25
60 160
20 32
17 27
18
56
66
28 75
7 15
6 13
28 75
7 15
6 13
20 75
4 15
3 13
0
0
0
16 50
4 10
3
9
Min.
4.8
24
28
Max.
95
19
16
180
36
31
200
40
34
95
19
16
95
19
16
95
19
16
0
0
0
65
13
11
Min.
4
20
24
Max.
110
22 ns
19
220
44 ns
37
240
48 ns
41
MHz
110
22 ns
19
110
22 ns
19
110
22 ns
19
0
0 ns
0
75
15 ns
13
CAPACITIVE CHARACTERISTICS
Test Condition
Value
Symbol
Parameter
VCC
(V)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
CIN Input Capacitance 5.0
5 10
10
10 pF
CPD Power Dissipation
Capacitance (note 5.0
43
pF
1)
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/8 (per FLIP
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
5/11
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