SN74ALS37AN from Texas Instruments, in a PDIP-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	1A	input	Gate 1 input A; with 1B forms Y = NAND (output low only when both inputs high), VIH min 2 V, VIL max 0.8 V for SN74ALS37A.
2	1B	input	Gate 1 input B; with 1A forms Y = NAND (output low only when both inputs high), VIH min 2 V, VIL max 0.8 V for SN74ALS37A.
3	1Y	output	Gate 1 buffered NAND output, rated for IOH of -2.6 mA and IOL of 24 mA for SN74ALS37A.
4	2A	input	Gate 2 input A; with 2B forms Y = NAND (output low only when both inputs high), VIH min 2 V, VIL max 0.8 V for SN74ALS37A.
5	2B	input	Gate 2 input B; with 2A forms Y = NAND (output low only when both inputs high), VIH min 2 V, VIL max 0.8 V for SN74ALS37A.
6	2Y	output	Gate 2 buffered NAND output, rated for IOH of -2.6 mA and IOL of 24 mA for SN74ALS37A.
7	GND	power_in	Ground pin (0 V reference) for the device.
8	3Y	output	Gate 3 buffered NAND output, rated for IOH of -2.6 mA and IOL of 24 mA for SN74ALS37A.
9	3A	input	Gate 3 input A; with 3B forms Y = NAND (output low only when both inputs high), VIH min 2 V, VIL max 0.8 V for SN74ALS37A.
10	3B	input	Gate 3 input B; with 3A forms Y = NAND (output low only when both inputs high), VIH min 2 V, VIL max 0.8 V for SN74ALS37A.
11	4Y	output	Gate 4 buffered NAND output, rated for IOH of -2.6 mA and IOL of 24 mA for SN74ALS37A.
12	4A	input	Gate 4 input A; with 4B forms Y = NAND (output low only when both inputs high), VIH min 2 V, VIL max 0.8 V for SN74ALS37A.
13	4B	input	Gate 4 input B; with 4A forms Y = NAND (output low only when both inputs high), VIH min 2 V, VIL max 0.8 V for SN74ALS37A.
14	VCC	power_in	Supply voltage, recommended 4.5 V to 5.5 V (5 V nominal), absolute maximum 7 V.

Key specifications

Parameter	Value
Manufacturer	Texas Instruments
Package	PDIP-14
Category	Logic ICs
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	5.5	V	SN74ALS37A	2
High-level input voltage	VIH	2			V	SN74ALS37A	2
Low-level input voltage	VIL			0.8	V	SN74ALS37A	2
High-level output current	IOH			-2.6	mA	SN74ALS37A	2
Low-level output current	IOL			24	mA	SN74ALS37A	2
Operating free-air temperature	TA	0		70	°C	SN74ALS37A	2
Supply voltage	VCC			7	V		2
Input voltage	VI			7	V		2
Operating free-air temperature range	TA	0		70	°C	SN74ALS37A	2
Storage temperature range	Tstg	-65		150	°C		2
Input clamp voltage	VIK			-1.5	V	VCC = 4.5 V, II = -18 mA	2
High-level output voltage	VOH	2.4	3.3		V	VCC = 4.5 V, IOH = -2.6 mA	2
Low-level output voltage	VOL		0.25	0.4	V	VCC = 4.5 V, IOL = 12 mA	2
Low-level output voltage	VOL		0.35	0.5	V	VCC = 4.5 V, IOL = 24 mA	2
Input current at max input voltage	II			0.1	mA	VCC = 5.5 V, VI = 7 V	2
High-level input current	IIH			20	µA	VCC = 5.5 V, VI = 2.7 V	2
Low-level input current	IIL			-0.1	mA	VCC = 5.5 V, VI = 0.4 V	2
Output current	IO	-30		-112	mA	VCC = 5.5 V, VO = 2.25 V	2
Supply current, outputs high	ICCH		0.86	1.6	mA	VCC = 5.5 V, VI = 0	2
Supply current, outputs low	ICCL		4.8	7.8	mA	VCC = 5.5 V, VI = 4.5 V	2
Propagation delay time, low-to-high output, A or B to Y	tPLH	2		8	ns	VCC = 4.5 V to 5.5 V, CL = 50 pF, RL = 500 Ω, TA = MIN to MAX	3
Propagation delay time, high-to-low output, A or B to Y	tPHL	2		7	ns	VCC = 4.5 V to 5.5 V, CL = 50 pF, RL = 500 Ω, TA = MIN to MAX	3

CAD (KiCad official)

Symbol: SN74ALS37AN
Footprint: Package_DIP:DIP-14_W7.62mm
3D model: PDIP-14 (KiCad packages3D, STEP)
3D model files: sn74als37an-etched.step / sn74als37an-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74als37an.step / sn74als37an.glb are the bare package body.

Provenance

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

Datasheet: Texas Instruments datasheet (8 pp, sha256 627ded6b5e3a2a01, retrieved 2026-10-31, tier: manufacturer)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-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

SN74ALS37AN

Verified SN74ALS37AN

Verification log 1 record

3D Model

Symbol & Footprint

Schematic Symbol

PCB Footprint

Datasheet

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