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TC74HC191AF bảng dữ liệu(PDF) 9 Page - Toshiba Semiconductor

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TC74HC191AF bảng dữ liệu(HTML) 9 Page - Toshiba Semiconductor

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TC74HC191AP/AF
2007-10-01
9
AC Characteristics (CL = 50 pF, input: tr = tf = 6 ns)
Test Condition
Ta
= 25°C
Ta
= −40~85°C
Characteristics
Symbol
VCC (V)
Min
Typ.
Max
Min
Max
Unit
Output transition time
tTLH
tTHL
⎯
2.0
4.5
6.0
⎯
⎯
⎯
30
8
7
75
15
13
⎯
⎯
⎯
95
19
16
ns
Propagation delay
time
(CK-Q)
tpLH
tpHL
⎯
2.0
4.5
6.0
⎯
⎯
⎯
88
22
19
180
36
31
⎯
⎯
⎯
225
45
38
ns
Propagation delay
time
(CK- RCO )
tpLH
tpHL
⎯
2.0
4.5
6.0
⎯
⎯
⎯
52
13
11
120
24
20
⎯
⎯
⎯
150
30
26
ns
Propagation delay
time
(CK-MAX/MIN)
tpLH
tpHL
⎯
2.0
4.5
6.0
⎯
⎯
⎯
108
27
23
240
48
41
⎯
⎯
⎯
300
60
51
ns
Propagation delay
time
( LOAD -Q)
tpLH
tpHL
⎯
2.0
4.5
6.0
⎯
⎯
⎯
100
25
22
205
41
35
⎯
⎯
⎯
255
51
43
ns
Propagation delay
time
(DATA-Q)
tpLH
tpHL
⎯
2.0
4.5
6.0
⎯
⎯
⎯
84
21
18
175
35
30
⎯
⎯
⎯
220
44
37
ns
Propagation delay
time
( ENABLE - RCO )
tpLH
tpHL
⎯
2.0
4.5
6.0
⎯
⎯
⎯
56
14
12
105
21
18
⎯
⎯
⎯
130
26
22
ns
Propagation delay
time
(D/ U- RCO )
tpLH
tpHL
⎯
2.0
4.5
6.0
⎯
⎯
⎯
84
21
18
180
36
31
⎯
⎯
⎯
225
45
38
ns
Propagation delay
time
(D/ U -MAX/MIN)
tpLH
tpHL
⎯
2.0
4.5
6.0
⎯
⎯
⎯
72
18
15
160
32
27
⎯
⎯
⎯
200
40
34
ns
Maximum clock
frequency
fmax
⎯
2.0
4.5
6.0
5
25
29
11
44
52
⎯
⎯
⎯
4
20
24
⎯
⎯
⎯
MHz
Input capacitance
CIN
⎯
⎯
5
10
⎯
10
pF
Power dissipation
capacitance
CPD
(Note)
⎯
⎯
101
⎯
⎯
⎯
pF
Note:
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



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