HD74HC1G02 Datasheet, PDF (5/8 Pages) Renesas Technology Corp – 2-input NOR Gate

HD74HC1G02
Switching Characteristics
Ta = 25°C
Item
Symbol _Min
Typ
Output rise / fall time t_TLH
—
5
t_THL
Propagation delay time t_PLH
—
7
t_PHL
(C_L = 15 pF, t_r = t_f = 6 ns, V_CC = 5 V)
Max
Unit Test Conditions
10
ns
Test circuit
15
ns
Test circuit
Item
V_CC Ta = 25°C
Ta = –40 to 85°C
Symbol (V) _{Min Typ Max Min Max} Unit Test Conditions
Output rise / fall time t_TLH
t_THL
2.0 — 50 125 —
4.5 — 14 25 —
6.0 — 12 21 —
155 ns Test circuit
31
26
Propagation delay time t_PLH
t_PHL
2.0 — 48 100 —
4.5 — 12 20 —
6.0 — 9 17 —
125 ns Test circuit
25
21
Input capacitance
C_IN
— — 2.5 5 —
5
pF
Equivalent capacitance C_PD
— — 10 — —
—
pF
(C_L = 50 pF, t_r = t_f = 6 ns)
Note: C_PD 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.
I_CC (opr) = C_PD • V_CC • f_IN + I_CC
Rev.5.00, Jan.27.2004, page 5 of 7