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TC74AC273P Datasheet(PDF) 5 Page - Toshiba Semiconductor

Part No. TC74AC273P
Description  CMOS Digital Integrated Circuit Silicon Monolithic Octal D-Type Flip Flop with Clear
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Maker  TOSHIBA [Toshiba Semiconductor]
Homepage  http://www.semicon.toshiba.co.jp/eng
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TC74AC273P Datasheet(HTML) 5 Page - Toshiba Semiconductor

   
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TC74AC273P/F/FT
2007-10-01
5
AC Characteristics (CL = 50 pF, RL = 500 Ω, input: tr = tf = 3 ns)
Test Condition
Ta
= 25°C
Ta =
40 to 85°C
Characteristics
Symbol
VCC (V)
Min
Typ.
Max
Min
Max
Unit
Propagation delay
time
(CK-Q)
tpLH
tpHL
3.3
± 0.3
5.0
± 0.5
9.0
6.5
15.8
9.6
1.0
1.0
18.0
11.0
ns
Propagation delay
time
(
CLR -Q)
tpHL
3.3
± 0.3
5.0
± 0.5
8.0
5.9
14.0
9.2
1.0
1.0
16.0
10.5
ns
Maximum clock
frequency
fmax
3.3
± 0.3
5.0
± 0.5
55
90
110
150
55
90
MHz
Input capacitance
CIN
5
10
10
pF
Power dissipation
capacitance
CPD
(Note)
40
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 F/F)
And the total CPD when n pcs. of flip flop operate can be gained by the following equation:
CPD (total) = 29 + 11·n


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