HD74UH04
Rev.4.00, Feb.02.2004, page 3 of 6
Recommended Operating Conditions
Item Symbol Ratings Unit
Supply voltage V
CC
2 to 6 V
Input voltage V
IN
0 to V
CC
V
Output voltage V
OUT
0 to V
CC
V
Operating temperature Topr –40 to +85 °C
0 to 1000 (V
CC
= 2.0 V)
0 to 500 (V
CC
= 4.5 V)
Input rise/fall time t
r
, t
f
0 to 400 (V
CC
= 6.0 V)
ns
Electrical Characteristics
Ta = 25°C Ta = –40 to 85°C
tem Symbol
V
CC
(V)
Min Typ Max Min Max
Unit Test Conditions
2.0 1.5 — — 1.5 —
4.5 3.15 — — 3.15 —
V
IH
6.0 4.2 — — 4.2 —
V
2.0 — — 0.5 — 0.5
4.5 — — 1.35 — 1.35
Input voltage
V
IL
6.0 — — 1.8 — 1.8
V
2.0 1.9 2.0 — 1.9 —
4.5 4.4 4.5 — 4.4 —
6.0 5.9 6.0 — 5.9 —
I
OH
= –20 µA
4.5 4.18 4.31 — 4.31 — I
OH
= –2 mA
V
OH
6.0 5.68 5.80 — 5.63 —
VV
IN
= V
IL
I
OH
= –2.6
mA
2.0 — 0.0 0.1 — 0.1
4.5 — 0.0 0.1 — 0.1
6.0 — 0.0 0.1 — 0.1
I
OL
= 20 µA
4.5 — 0.17 0.26 — 0.33 I
OL
= 2 mA
Output voltage
V
OL
6.0 — 0.18 0.26 — 0.33
VV
IN
= V
IH
I
OL
= 2.6 mA
Input current I
IN
6.0 — — ±0.1 — ±1.0 µA V
IN
= V
CC
or GND
Operating
current
I
CC
6.0 — — 1.0 — 10.0 V
IN
= V
CC
or GND