logic

SN74AHC1G14

Full part number: SN74AHC1G14DBVR

Key datasheet specifications and the closest alternatives, ranked by parametric similarity and grounded in the manufacturer datasheet.

01 — Overview

This TI datasheet covers the SN74AHC1G14, a single Schmitt-trigger inverter gate available in SOT-23, SC-70, and SOT-553 packages. It defines the device's electrical specifications for logic inversion with hysteresis across 2V to 5.5V supply ranges. Key parameters include a maximum propagation delay of 10ns at 5V, low power consumption of 10μA max input current, and an output drive capability of ±8mA. The document details pin functions, switching characteristics, and typical applications ranging from barcode scanners to embedded PCs and wireless devices.

02 — Key specifications

Datasheet parameters

Parameter	Min	Typ	Max	Conditions
quiescent current	—	—	1 µA	VI = VCCor GND, IO = 0; 5.5 V
output voltage	-500 mV	—	—
output current	—	—	-50 µA	VCC = 2 V
supply voltage range	2 V	—	5.5 V
operating temperature	-40 °C	—	125 °C
input capacitance	—	2 pF	10 pF	VI = VCCor GND; 5 V
propagation delay	16 ns	—	—	CL = 15 pF
output voltage high	1.9 V	2 V	—	IOH = -50 μA; 2 V
output voltage low	—	—	100 mV	IOH = 50 μA; 2 V

03 — Alternatives

Closest matches to SN74AHC1G14

NC7WZ17 1.9× lower propagation delay, 1.9× lower operating temperature, 1.3× lower output voltage high

NL17SZ125 1.8× lower propagation delay, 1.3× lower output voltage high, 1.2× higher input capacitance

NL17SZ08 2.5× lower propagation delay, 1.4× lower output voltage high, 1.2× lower output voltage low

74LVC245A 10.0× lower quiescent current, 2.5× lower propagation delay, 2.0× higher input capacitance

74LVC2G14GM 10.0× lower quiescent current, 2.9× lower propagation delay, 1.8× higher input capacitance

74HC595D 3.2× higher propagation delay, 1.8× higher input capacitance, 1.7× lower operating temperature

74HCT595BQ 1.8× higher input capacitance, 1.7× lower operating temperature, 1.6× higher propagation delay

NC7WZ16 2.9× lower propagation delay, 2.0× lower output voltage low, 1.3× lower output voltage high

04 — FAQ

Frequently asked questions

What is the input capacitance of the SN74AHC1G14DBVR when VI = VCCor GND at 5 V?

The input capacitance is 2 pF.

What is the maximum operating temperature for the SN74AHC1G14DBVR?

The maximum operating temperature is 125 °C.

What is the output current when VCC = 2 V?

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

What is the output voltage?

The output voltage is -500 mV.

What is the output voltage high 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 and VCC = 2 V?

The output voltage low is 100 mV.

What is the propagation delay when CL = 15 pF?

The propagation delay is 16 ns when CL = 15 pF.

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

The quiescent current is 1 µA.

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