Build with SN74AHC1G14 — Datasheet Specs & AI Design Help

00 — Overview

What the SN74AHC1G14 does

The SN74AHC1G14 is a single Schmitt-trigger inverter gate available in DBV, DCK, and DRL packages. It operates across a 2 V to 5.5 V range with a maximum propagation delay of 10 ns at 5 V. The device features low power consumption with a maximum supply current of 10 μA and provides ±8 mA output drive at 5 V. Designers typically use this component in barcode scanners, embedded PCs, and various sensor applications including temperature or pressure monitoring. Its robust latch-up performance exceeds 250 mA, making it suitable for diverse industrial and consumer electronics systems requiring reliable digital signal inversion.

Next step

Start building with SN74AHC1G14 → Every number above is cited straight from the datasheet — ask what they mean for your design, and the assistant answers from the same source documents.

01 — Key specifications

Datasheet parameters

Datasheet parameters for SN74AHC1G14
Parameter	Min	Typ	Max	Conditions	Source
quiescent current	—	—	1 µA	VI = VCCor GND, IO = 0; 5.5 V; 5.5 Electrical Characteristics	TI datasheet, p. 5 — 5.5 Electrical Characteristics
output current	—	—	-50 µA	VCC = 2 V; ioh; 5.3 Recommended Operating Conditions	TI datasheet, p. 4 — 5.3 Recommended Operating Conditions
supply voltage range	2 V	—	5.5 V	vcc; 5.3 Recommended Operating Conditions	TI datasheet, p. 4 — 5.3 Recommended Operating Conditions
operating temperature	-40 °C	—	125 °C	ta; 5.3 Recommended Operating Conditions	TI datasheet, p. 4 — 5.3 Recommended Operating Conditions
input capacitance	—	2 pF	10 pF	VI = VCCor GND; 5 V; 5.5 Electrical Characteristics	TI datasheet, p. 5 — 5.5 Electrical Characteristics
propagation delay	1 ns	8.3 ns	12.8 ns	tphl; over recommended operating free-air temperature range (unless otherwise noted) (see Load Circuit and Voltage Waveforms)	TI datasheet, p. 6 — over recommended operating free-air temperature range (unless otherwise no…
output voltage high	1.9 V	2 V	—	IOH = -50 μA; 2 V; 5.5 Electrical Characteristics	TI datasheet, p. 5 — 5.5 Electrical Characteristics
output voltage low	—	—	100 mV	IOH = 50 μA; 2 V; 5.5 Electrical Characteristics	TI datasheet, p. 5 — 5.5 Electrical Characteristics

02 — Alternatives

Closest matches to SN74AHC1G14

NC7WZ16 1.5× lower propagation delay, 1.2× higher input capacitance, 1.2× lower output voltage high

NL17SZ08 1.4× lower output voltage high, 1.3× lower propagation delay, 1.2× lower output voltage low

74LVC245A 10.0× lower quiescent current, 2.0× higher input capacitance, 2.0× higher output voltage low

74LVC2G14GM 10.0× lower quiescent current, 1.8× higher input capacitance, 1.7× lower output voltage high

NC7WZ17 1.9× lower operating temperature, 1.2× higher input capacitance, 1.2× lower output voltage high

74HC595D 1.9× lower operating temperature, 1.5× higher input capacitance, 1.4× higher propagation delay

NL17SZ125 2.2× higher output voltage high, 1.2× higher input capacitance, 1.2× lower operating temperature

74HC14BQ 4.9× higher propagation delay, 2.0× higher quiescent current, 1.8× higher input capacitance

03 — FAQ

Frequently asked questions

What is the input capacitance when VI = VCCor GND at 5 V and 5.5?

The input capacitance is 2 pF.

What is the maximum operating temperature (ta) specified in the Recommended Operating Conditions?

The maximum operating temperature (ta) is 125 °C.

What is the output current (ioh) when VCC = 2 V?

The output current (ioh) is -50 µA when VCC = 2 V.

What is the output voltage high (VOH) when IOH = -50 μA and VCC = 2 V?

The output voltage high is 2 V.

What is the output voltage low when IOH = 50 μA at 2 V?

The output voltage low is 100 mV.

What is the propagation delay (tphl) over the recommended operating free-air temperature range?

The propagation delay (tphl) is 8.3 ns over the recommended operating free-air temperature range.

What is the quiescent current when VI = VCCor GND, IO = 0 at 5.5 V?

The quiescent current is 1 µA.

What is the maximum supply voltage under recommended operating conditions?

The maximum supply voltage is 5.5 V at vcc.