HD74HC1G14 Datasheet, PDF (5/8 Pages) Renesas Technology Corp – Inverter with Schmitt-trigger Input

HD74HC1G14
Switching Characteristics
Ta = 25°C
Item
Symbol _Min
Typ
Output rise / fall time t_TLH
—
5
t_THL
Propagation delay time t_PLH
—
10
t_PHL
(C_L = 15 pF, t_r = t_f = 6 ns, V_CC = 5 V)
Max
Unit Test Conditions
8
ns
Test circuit
21
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 —
145 ns Test circuit
30
24
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.6.00, Jan.27.2004, page 5 of 7