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MM74HCT05MTCX

onsemi · Inverters · TSSOP-14

MM74HCT05MTCX from onsemi, in a TSSOP-14. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	A1	input	Input of inverter 1, with TTL-compatible thresholds (VIH min 2.0V, VIL max 0.8V) and internal protection diodes to VCC and ground.
2	Y1	output	Open-drain output of inverter 1 that needs an external pull-up resistor, with VOL max 0.33V at 4.0mA (VCC = 4.5V) and VOUT range 0 to 5.5V.
3	A2	input	Input of inverter 2, with TTL-compatible thresholds (VIH min 2.0V, VIL max 0.8V) and internal protection diodes to VCC and ground.
4	Y2	output	Open-drain output of inverter 2 that needs an external pull-up resistor, with VOL max 0.33V at 4.0mA (VCC = 4.5V) and VOUT range 0 to 5.5V.
5	A3	input	Input of inverter 3, with TTL-compatible thresholds (VIH min 2.0V, VIL max 0.8V) and internal protection diodes to VCC and ground.
6	Y3	output	Open-drain output of inverter 3 that needs an external pull-up resistor, with VOL max 0.33V at 4.0mA (VCC = 4.5V) and VOUT range 0 to 5.5V.
7	GND	power_in	Ground reference for the device.
8	Y4	output	Open-drain output of inverter 4 that needs an external pull-up resistor, with VOL max 0.33V at 4.0mA (VCC = 4.5V) and VOUT range 0 to 5.5V.
9	A4	input	Input of inverter 4, with TTL-compatible thresholds (VIH min 2.0V, VIL max 0.8V) and internal protection diodes to VCC and ground.
10	Y5	output	Open-drain output of inverter 5 that needs an external pull-up resistor, with VOL max 0.33V at 4.0mA (VCC = 4.5V) and VOUT range 0 to 5.5V.
11	A5	input	Input of inverter 5, with TTL-compatible thresholds (VIH min 2.0V, VIL max 0.8V) and internal protection diodes to VCC and ground.
12	Y6	output	Open-drain output of inverter 6 that needs an external pull-up resistor, with VOL max 0.33V at 4.0mA (VCC = 4.5V) and VOUT range 0 to 5.5V.
13	A6	input	Input of inverter 6, with TTL-compatible thresholds (VIH min 2.0V, VIL max 0.8V) and internal protection diodes to VCC and ground.
14	VCC	power_in	Positive supply pin, recommended operating range 4.5V to 5.5V (absolute maximum -0.5 to +7.0V).

Key specifications

Parameter	Value
Manufacturer	onsemi
Package	TSSOP-14
Category	Logic
Pins	14

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter	Symbol	Min	Typ	Max	Unit	Conditions	Page
Supply Voltage	VCC	4.5		5.5	V		4
DC Output Voltage	VOUT	0		5.5	V		4
DC Input Voltage	VIN	0			V	Maximum printed as VCC	4
Operating Temperature Range	TA	-40		85	°C		4
Input Rise or Fall Times	tr, tf			500	ns		4
Minimum HIGH Level Input Voltage	VIH	2			V		5
Maximum LOW Level Input Voltage	VIL			0.8	V		5
Maximum LOW Level Voltage	VOL		0	0.1	V	VIN = VIH, /IOUT/ = 20µA	5
Maximum LOW Level Voltage	VOL		0.2	0.33	V	VIN = VIH, /IOUT/ = 4.0mA, VCC = 4.5V	5
Maximum Input Current	IIN	-1	0.1	1	µA	VIN = VCC or GND, VIH or VIL	5
Maximum HIGH Level Output Leakage Current	ILKG		0.5	5	µA	VIN = VIH or VIL, VOUT = VCC	5
Maximum Quiescent Supply Current	ICC		2	20	µA	VIN = VCC or GND, IOUT = 0µA	5
Maximum Quiescent Supply Current	ICC		0.3	0.4	mA	VIN = 2.4V or 0.5V(3)	5
Off State Current	IOHZ			10	µA	VCC = 4.5V-5.5V, VO = 5.5V	5
Maximum Propagation Delay	tPZL		8	15	ns	RL = 1kΩ	5
Maximum Propagation Delay	tPLZ		9	16	ns	RL = 1kΩ	5
Maximum Propagation Delay	tPZL		10	28	ns	RL = 1kΩ	5
Maximum Propagation Delay	tPLZ		12	25	ns	RL = 1kΩ	5
Maximum Output Fall Time	tTHL		10	19	ns		5
Maximum Input Capacitance	CIN		5	10	pF		5
Supply Voltage (absolute maximum)	VCC	-0.5		7	V		4
DC Input Voltage (absolute maximum)	VIN	-1.5			V	Maximum printed as VCC+1.5V	4
DC Output Voltage (absolute maximum)	VOUT	-0.5			V	Maximum printed as VCC+0.5V	4
Clamp Diode Current	IIK, IOK	-20		20	mA		4
DC Output Current, per pin	IOUT	-25		25	mA		4
DC VCC or GND Current, per pin	ICC	-50		50	mA		4
Storage Temperature Range	TSTG	-65		150	°C		4
Power Dissipation	PD			600	mW	Note 2	4
Power Dissipation (S.O. package only)	PD			500	mW	S.O. package only	4
Lead Temperature (Soldering 10 seconds)	TL			260	°C	Soldering 10 seconds	4

CAD (KiCad official)

Symbol: MM74HCT05MTCX
Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
3D model: TSSOP-14 (KiCad packages3D, STEP)
3D model files: mm74hct05mtcx-etched.step / mm74hct05mtcx-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mm74hct05mtcx.step / mm74hct05mtcx.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: onsemi datasheet (9 pp, sha256 27833363f2562f07, retrieved 2026-10-17, tier: manufacturer)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF