HD74UH04
Rev.4.00, Feb.02.2004, page 3 of 6
Recommended Operating Conditions
Item Symbol Ratings Unit
Supply voltage VCC 2 to 6 V
Input voltage VIN 0 to VCC V
Output voltage VOUT 0 to VCC V
Operating temperature Topr –40 to +85 °C
0 to 1000 (VCC = 2.0 V)
0 to 500 (VCC = 4.5 V)
Input rise/fall time tr, tf
0 to 400 (VCC = 6.0 V)
ns
Electrical Characteristics
Ta = 25°C Ta = –40 to 85°C
tem Symbol
VCC
(V) Min Typ Max Min Max Unit Test Conditions
2.0 1.5 — — 1.5 —
4.5 3.15 — — 3.15 —
VIH
6.0 4.2 — — 4.2 —
V
2.0 — — 0.5 — 0.5
4.5 — — 1.35 — 1.35
Input voltage
VIL
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 —
IOH = –20 µA
4.5 4.18 4.31 — 4.31 — IOH = –2 mA
VOH
6.0 5.68 5.80 — 5.63 —
VV
IN = VIL
IOH = –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
IOL = 20 µA
4.5 — 0.17 0.26 — 0.33 IOL = 2 mA
Output voltage
VOL
6.0 — 0.18 0.26 — 0.33
VV
IN = VIH
IOL = 2.6 mA
Input current IIN 6.0 — — ±0.1 — ±1.0 µA VIN = VCC or GND
Operating
current ICC 6.0 — — 1.0 — 10.0 VIN = VCC or GND