Hex Schmitt-trigger Inverters
HD74HC14
Hex Schmitt-trigger Inverters
Features
• • • • • High Speed Operation: tpd = 10.5 ns typ (CL = 50 pF) High Out...
Description
HD74HC14
Hex Schmitt-trigger Inverters
Features
High Speed Operation: tpd = 10.5 ns typ (CL = 50 pF) High Output Current: Fanout of 10 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 1 µA max (Ta = 25°C)
Pin Arrangement
1A 1Y 2A 2Y 3A 3Y GND
1 2 3 4 5 6 7 (Top view)
14 VCC 13 6A 12 6Y 11 5A 10 5Y 9 8 4A 4Y
HD74HC14
DC Characteristics
Ta = 25°C Item Symbol Ta = –40 to +85°C Max 1.5 3.15 4.2 — — — 1.2 2.25 3.0 — — — — — 0.1 0.1 0.1 0.33 0.33 ±1.0 10 µA µA I OL = 4 mA I OL = 5.2 mA Vin = VCC or GND Vin = VCC or GND, Iout = 0 µA V I OH = –4 mA I OH = –5.2 mA Vin = VIH or VIL I OL = 20 µA V Vin = VIH or VIL I OH = –20 µA V V Unit V Test Conditions
VCC (V) Min Typ Max Min 2.0 4.5 6.0 — — — — — — 1.5 —
Threshold voltage VIH
3.15 — 4.2 — — — 1.2 — 0.3 0.9 1.2 0.2
VIL
2.0 4.5 6.0
0.3 — 0.9 — 1.2 — 0.2 — 0.4 — 0.6 —
Hysteresis voltage VH
2.0 4.5 6.0
2.25 0.4 3.0 0.6 1.9 4.4 5.9 4.13 5.63 — — —
Output voltage
VOH
2.0 4.5 6.0 4.5 6.0
1.9 2.0 — 4.4 4.5 — 5.9 6.0 — 4.18 — 5.68 — — — — — — — — — —
VOL
2.0 4.5 6.0 4.5 6.0
0.0 0.1 0.0 0.1 0.0 0.1 — — — —
0.26 — 0.26 — ±0.1 — 1.0 —
Input current Quiescent supply current
Iin I CC
6.0 6.0
2
HD74HC14
AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Ta = 25°C Item Symbol Ta = –40 to +85°C Max 155 31 26 155 31 26 95 19 16 95 19 16 10 pF ns ns ns Unit ns Test Conditions
VCC (V) Min Typ Max Min 2.0 4.5 6.0 — — — — — — — — — — — — — ...
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