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| HD74HC1GU04 Datasheet, PDF (5/8 Pages) Hitachi Semiconductor – Unbuffered Inverter | |||
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HD74HC1GU04
Switching Characteristics
Item
Symbol Ta = 25°C
Min
Typ
Output rise / fall time tTLH
â
4
t THL
Propagation delay time tPLH
â
3
t PHL
(CL = 15 pF, tr = tf = 6 ns, VCC = 5 V)
Max
10
15
Unit Test Conditions
ns
Test circuit
ns
Test circuit
Item
Output rise / fall time
Symbol
VCC
t TLH
2.0
t THL
4.5
6.0
Ta = 25°C
Ta = â40 to 85°C Unit Test Conditions
Min Typ Max Min Max
â 25 125 â
155 ns Test circuit
â 12 25 â
31
â 10 21 â
26
Propagation delay time tPLH
t PHL
2.0 â
4.5 â
6.0 â
17 100 â
7 20 â
6.5 17 â
125 ns Test circuit
25
21
Input capacitance
CIN
â â 2.5 5 â
5
pF
Equivalent capacitance CPD
â â 10 â â
â
pF
(CL = 50 pF, tr = tf = 6 ns)
Note: CPD is equivalent capacitance inside of the IC calculated from the operating current without load (see
test circuit). The average operating current without load is calculated according to the expression
below.
ICC (opr) = CPD ⢠VCC ⢠fIN + ICC
5
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