HD74HCT1G04 查看數據表（PDF） - Hitachi -> Renesas Electronics
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HD74HCT1G04 Datasheet PDF : 8 Pages
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HD74HCT1G04
Switching Characteristics
Item
Symbol Ta = 25°C
Min
Typ
Output rise / fall time tTLH
—
6
t THL
Propagation delay time tPLH
—
7.5
t PHL
—
10
(CL = 15 pF, tr = tf = 6 ns, VCC = 5 V)
Max
10
12
17
Unit Test Conditions
ns
Test circuit
ns
Test circuit
Item
Symbol
Ta = 25°C
Ta = –40 to 85°C Unit Test Conditions
VCC Min Typ Max Min Max
Output rise / fall time tTLH
t THL
4.5 — 14 25 —
31 ns Test circuit
Propagation delay time tPLH
4.5 — 11.2 16 —
20 ns Test circuit
t PHL
4.5 — 16.4 27 —
31
Input capacitance
CIN
— — 2.5 5 —
5
pF
Equivalent capacitance CPD
— — 10 — —
—
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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