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HD74HC1GU04 Datasheet, PDF (5/8 Pages) Hitachi Semiconductor – Unbuffered Inverter
HD74HC1GU04
Switching Characteristics
Ta = 25°C
Item
Symbol Min
Typ
Output rise / fall time tTLH
—
4
tTHL
Propagation delay time tPLH
—
3
tPHL
(CL = 15 pF, tr = tf = 6 ns, VCC = 5 V)
Max
Unit Test Conditions
10
ns
Test circuit
15
ns
Test circuit
Item
VCC Ta = 25°C
Ta = –40 to 85°C
Symbol (V) Min Typ Max Min Max Unit Test Conditions
Output rise / fall time tTLH
tTHL
2.0 — 25 125 —
4.5 — 12 25 —
155 ns Test circuit
31
6.0 — 10 21 —
26
Propagation delay time tPLH
tPHL
2.0 — 17 100 —
4.5 — 7 20 —
125 ns Test circuit
25
6.0 — 6.5 17 —
21
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
Rev.5.00, Jan.27.2004, page 5 of 7