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TC74HC273AF Datasheet(PDF) 5 Page - Toshiba Semiconductor

Part # TC74HC273AF
Description  Octal D-Type Flip Flop with Clear
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Manufacturer  TOSHIBA [Toshiba Semiconductor]
Direct Link  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TC74HC273AF Datasheet(HTML) 5 Page - Toshiba Semiconductor

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TC74HC273AP/AF
2007-10-01
5
AC Characteristics (CL = 15 pF, VCC = 5 V, Ta = 25°C, input: tr = tf = 6 ns)
Characteristics
Symbol
Test Condition
Min
Typ.
Max
Unit
Output transition time
tTLH
tTHL
4
8
ns
Propagation delay time
(CK-Q)
tpLH
tpHL
15
25
ns
Propagation delay time
(
CLR -Q)
tpLH
tpHL
16
27
ns
Maximum clock frequency
fmax
40
67
MHz
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
25
7
6
75
15
13
95
19
16
ns
Propagation delay
time
(CK-Q)
tpLH
tpHL
2.0
4.5
6.0
54
18
15
145
29
25
180
36
31
ns
Propagation delay
time
( CLR -Q)
tpLH
tpHL
2.0
4.5
6.0
60
20
17
160
32
27
200
40
34
ns
Maximum clock
frequency
fmax
2.0
4.5
6.0
6
30
35
18
56
66
5
24
28
MHz
Input capacitance
CIN
5
10
10
pF
Power dissipation
capacitance
CPD
(Note)
43
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/8 (per flip flop)
And the total CPD when n pcs. of flip flop operate can be gained by the following equation:
CPD (total) = 32 + 11・n


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