參數(shù)資料
型號： MC74VHC74D
廠商： ON SEMICONDUCTOR
元件分類： 鎖存器
英文描述： AHC/VHC SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO14
封裝： SOIC-14
文件頁數(shù)： 4/5頁
文件大?。?/td> 101K
代理商： MC74VHC74D
MC74VHC74
http://onsemi.com
77
DC ELECTRICAL CHARACTERISTICS
Unit
TA = – 40 to 85°C
TA = 25°C
VCC
V
Test Conditions
Parameter
Symbol
Unit
Max
Min
Max
Typ
Min
VCC
V
Test Conditions
Parameter
Symbol
Iin
Maximum Input
Leakage Current
Vin = 5.5V or GND
0 to 5.5
± 0.1
± 1.0
A
ICC
Maximum Quiescent
Supply Current
Vin = VCC or GND
5.5
2.0
20.0
A
AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3.0ns)
TA = 25°C
TA = – 40 to 85°C
Symbol
Parameter
Test Conditions
Min
Typ
Max
Min
Max
Unit
tPLH,
tPHL
Maximum Propagation Delay,
CP to Q or Q
VCC = 3.3 ± 0.3V
CL = 15pF
CL = 50pF
6.7
9.2
11.9
15.4
1.0
14.0
17.5
ns
VCC = 5.0 ± 0.5V
CL = 15pF
CL = 50pF
4.6
6.1
7.3
9.3
1.0
1.0
8.5
10.5
tPLH,
tPHL
Maximum Propagation Delay,
SD or RD to Q or Q
VCC = 3.3 ± 0.3V
CL = 15pF
CL = 50pF
7.6
10.1
12.3
15.8
1.0
14.5
18.0
ns
VCC = 5.0 ± 0.5V
CL = 15pF
CL = 50pF
4.8
6.3
7.7
9.7
1.0
9.0
11.0
fmax
Maximum Clock Frequency
(50% Duty Cycle)
VCC = 3.3 ± 0.3V
CL = 15pF
CL = 50pF
80
50
125
75
70
45
MHz
VCC = 5.0 ± 0.5V
CL = 15pF
CL = 50pF
130
90
170
115
110
75
Cin
Maximum Input Capacitance
4
10
10
pF
Typical @ 25
°C, VCC = 5.0V
CPD
Power Dissipation Capacitance (Note 1.)
25
pF
1. CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load.
Average operating current can be obtained by the equation: ICC(OPR) = CPD VCC fin + ICC/2 (per flip–flop). CPD is used to determine the
no–load dynamic power consumption; PD = CPD VCC2 fin + ICC VCC.
TIMING REQUIREMENTS (Input tr = tf = 3.0ns)
Guaranteed Limit
Symbol
Parameter
VCC
V
TA = 25_C
TA = – 40 to
85
_C
Unit
tw
Minimum Pulse Width, CP
3.3
± 0.3
5.0
± 0.5
6.0
5.0
7.0
5.0
ns
tw
Minimum Pulse Width, RD or SD
3.3
± 0.3
5.0
± 0.5
6.0
5.0
7.0
5.0
ns
tsu
Minimum Setup Time, D to CP
3.3
± 0.3
5.0
± 0.5
6.0
5.0
7.0
5.0
ns
th
Minimum Hold Time, D to CP
3.3
± 0.3
5.0
± 0.5
0.5
0.5
ns
trec
Minimum Recovery Time, SD or RD to CP
3.3
± 0.3
5.0
± 0.5
5.0
3.0
5.0
3.0
ns
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