Switching Characteristics - Renesas HD74UH04 Datasheet

HD74UH04

Switching Characteristics

(C = 15 pF, t = t = 6 ns, V
L r f
Item
Output rise/fall time
Propagation delay time
(C = 50 pF, t = t = 6 ns)
L r f
Item Symbol
Output rise/fall time t
TLH
t
THL
Propagation delay time t
PLH
t
PHL
Input capacitance C
Equivalent capacitance C
Note: C is equivalent capacitance inside of the IC calculated from the operating current without load (see
PD
test circuit). The average operating current without load is calculated according to the expression
below.
I (opr) = C • V
CC PD CC
Rev.4.00, Feb.02.2004, page 4 of 6
= 5 V)
CC
Ta = 25°C
Symbol
Min
t —
TLH
t
THL
t —
PLH
t
PHL
V Ta = 25°C
CC
(V)
Min Typ
2.0 — 50
4.5 — 14
6.0 — 12
2.0 — 48
4.5 — 12
6.0 — 9
— — 5
IN
— — 10
PD
• f + I
IN CC
Unit
Typ Max
5 10 ns
7 15 ns
Ta = –40 to 85°C
Max Min Max
125 — 155
25 — 31
21 — 26
100 — 125
20 — 25
17 — 21
10 — 10
— — —
Test Conditions
See Test circuit
See Test circuit
Unit Test Conditions
ns See Test circuit
ns See Test circuit
pF