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M74HC597 bảng dữ liệu(PDF) 7 Page - STMicroelectronics

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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
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M74HC597 bảng dữ liệu(HTML) 7 Page - STMicroelectronics

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AC ELECTRICAL CHARACTERISTICS (CL =50 pF, Input tr =tf =6 ns)
Symbol
Parameter
Test Conditions
Value
Unit
VCC
(V)
TA =25
oC
54HC and 74HC
-40 to 85
oC
74HC
-55 to 125
oC
54HC
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
fMAX
Maximum Clock
Frequency
2.0
6.0
12
4.8
4.0
ns
4.5
30
48
24
20
6.0
35
50
28
24
tW(H)
tW(L)
Propagation
Delay Time
(SCK, RCK)
2.0
20
75
95
110
ns
4.5
7
151922
6.0
4
131619
tW(L)
Propagation
Delay Time
(SCLR, SLOAD)
2.0
25
75
95
110
ns
4.5
7
151922
6.0
5
131619
tS
Minimum Set-up
Time
(RCK - SLOAD)
2.0
48
100
125
150
ns
4.5
12
20
25
30
6.0
10
17
21
26
tS
Minimum Set-up
Time
(SI, SCK)
2.0
20
75
95
110
ns
4.5
5
151922
6.0
4
131619
tS
Minimum Set-up
Time
(PI - RCK)
2.0
20
75
95
110
ns
4.5
5
151922
6.0
4
131619
tf
Minimum Hold
Time
2.0
0
0
0
ns
4.5
0
0
0
6.0
0
0
0
tREM
Propagation
Delay Time
(SCLR, SLOAD)
2.0
12
75
95
115
ns
4.5
4
151923
6.0
3
131620
CIN
Input Capacitance
5
10
10
10
pF
CPD (*)
Power Dissipation
Capacitance
60
pF
(*) 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 operting current can be obtained by the following equation. ICC(opr) = CPD
•VCC •fIN +ICC
SWITCHING CHARACTERISTICS TEST WAVEFORM
M54/M74HC597
7/13



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