SN75374N from Texas Instruments, in a PDIP-16. 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	VCC2	power_in	Output stage supply, 4.75 V to 24 V recommended (20 V nominal), absolute maximum 25 V; outputs switch close to this rail.
2	1Y	output	Totem-pole output of driver 1, rated for 40 mA low-level and −10 mA high-level output current.
3	1A	input	Driver 1 TTL logic input, high level at least 2 V, low level at most 0.8 V, maximum 5.5 V.
4	1E1	input	Driver 1 enable input E1, TTL levels (NAND function with A and E2), maximum 5.5 V.
5	1E2	input	Driver 1 enable input E2, TTL levels (NAND function with A and E1), maximum 5.5 V.
6	2A	input	Driver 2 TTL logic input, high level at least 2 V, low level at most 0.8 V, maximum 5.5 V.
7	2Y	output	Totem-pole output of driver 2, rated for 40 mA low-level and −10 mA high-level output current.
8	GND	power_in	Ground, reference terminal for all supply voltages.
9	VCC3	power_in	Pull-up boost supply, 28 V maximum recommended (absolute max 30 V), about 3 V above VCC2 to maximize output source voltage, or tied to VCC2.
10	3Y	output	Totem-pole output of driver 3, rated for 40 mA low-level and −10 mA high-level output current.
11	3A	input	Driver 3 TTL logic input, high level at least 2 V, low level at most 0.8 V, maximum 5.5 V.
12	2E1	input	Driver 2 enable input E1, TTL levels (NAND function with A and E2), maximum 5.5 V.
13	2E2	input	Driver 2 enable input E2, TTL levels (NAND function with A and E1), maximum 5.5 V.
14	4A	input	Driver 4 TTL logic input, high level at least 2 V, low level at most 0.8 V, maximum 5.5 V.
15	4Y	output	Totem-pole output of driver 4, rated for 40 mA low-level and −10 mA high-level output current.
16	VCC1	power_in	Logic supply, 4.75 V to 5.25 V recommended (5 V nominal), absolute maximum 7 V.

Key specifications

Parameter	Value
Manufacturer	Texas Instruments
Package	PDIP-16
Category	Interface ICs
Pins	16

Electrical characteristics

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

Parameter	Symbol	Min	Typ	Max	Unit	Conditions	Page
Input clamp voltage	VIK			-1.5	V	II = −12 mA	3
Low-level output voltage	VOL		0.15	0.3	V	VIH = 2 V, IOL = 10 mA	3
Low-level output voltage	VOL		0.25	0.5	V	VCC2 = 15 V to 28 V, VIH = 2 V, IOL = 40 mA	3
Output clamp-diode forward voltage	VF			1.5	V	VI = 0, IF = 20 mA	3
Input current at maximum input voltage	II			1	mA	VI = 5.5 V	3
High-level input current, Any A	IIH			40	µA	VI = 2.4 V	3
High-level input current, Any E	IIH			80	µA	VI = 2.4 V	3
Low-level input current, Any A	IIL		-1	-1.6	mA	VI = 0.4 V	3
Low-level input current, Any E	IIL		-2	-3.2	mA	VI = 0.4 V	3
Supply current from VCC1, all outputs high	ICC1(H)		4	8	mA	All outputs high	3
Supply current from VCC1, all outputs low	ICC1(L)		31	47	mA	All outputs low	3
Supply current from VCC2, all outputs high	ICC2(H)		-2.2	0.25	mA	VCC1 = 5.25 V, All inputs at 0 V, VCC2 = 24 V, VCC3 = 28 V, No load	3
Supply current from VCC2, all outputs low	ICC2(L)			2	mA	VCC1 = 5.25 V, All inputs at 5 V, VCC2 = 24 V, VCC3 = 28 V, No load	3
Supply current from VCC3, all outputs high	ICC3(H)		2.2	3.5	mA	All inputs at 0 V, No load	3
Supply current from VCC3, all outputs low	ICC3(L)		16	27	mA	All inputs at 5 V, No load	3
Supply current from VCC2, all outputs high (VCC3 = 24 V)	ICC2(H)			0.25	mA	VCC1 = 5.25 V, All inputs at 0 V, VCC2 = 24 V, VCC3 = 24 V, No load	3
Supply current from VCC3, all outputs high (VCC3 = 24 V)	ICC3(H)			0.5	mA	VCC1 = 5.25 V, All inputs at 0 V, VCC2 = 24 V, VCC3 = 24 V, No load	3
Supply current from VCC2, standby condition	ICC2(S)			0.25	mA	VCC1 = 0, VCC2 = 24 V, VCC3 = 24 V	3
Supply current from VCC3, standby condition	ICC3(S)			0.5	mA	VCC1 = 0, All inputs at 0 V, VCC2 = 24 V, VCC3 = 24 V, No load	3
Delay time, low- to high-level output	tDLH		20	30	ns	C = 200 pF; VCC1 = 5 V, VCC2 = 20 V, VCC3 = 24 V, TA = 25°C	3
Delay time, high- to low-level output	tDHL		10	20	ns	C = 200 pF; VCC1 = 5 V, VCC2 = 20 V, VCC3 = 24 V, TA = 25°C	3
Propagation delay time, low- to high-level output	tPLH	10	40	60	ns	CL = 200 pF, RD = 24 Ω; VCC1 = 5 V, VCC2 = 20 V, VCC3 = 24 V, TA = 25°C	3
Propagation delay time, high- to low-level output	tPHL	10	30	50	ns	RD = 24 Ω, See Figure 1; VCC1 = 5 V, VCC2 = 20 V, VCC3 = 24 V, TA = 25°C	3
Transition time, low- to high-level output	tTLH		20	30	ns	See Figure 1; VCC1 = 5 V, VCC2 = 20 V, VCC3 = 24 V, TA = 25°C	3
Transition time, high- to low-level output	tTHL		20	30	ns	See Figure 1; VCC1 = 5 V, VCC2 = 20 V, VCC3 = 24 V, TA = 25°C	3
Supply voltage VCC1	VCC1	4.75	5	5.25	V		2
Supply voltage VCC2	VCC2	4.75	20	24	V		2
Supply voltage VCC3	VCC3		24	28	V		2
Voltage difference between supply voltages	VCC3 − VCC2	0	4	10	V		2
High-level input voltage	VIH	2			V		2
Low-level input voltage	VIL			0.8	V		2
High-level output current	IOH			-10	mA		2
Low-level output current	IOL			40	mA		2
Operating free-air temperature	TA	0		70	°C		2
Supply voltage range VCC1	VCC1	-0.5		7	V	Voltage with respect to network ground terminal	2
Supply voltage range VCC2	VCC2	-0.5		25	V	Voltage with respect to network ground terminal	2
Supply voltage range VCC3	VCC3	-0.5		30	V	Voltage with respect to network ground terminal	2
Input voltage	VI			5.5	V		2
Peak output current	II			500	mA	tw < 10 ms, duty cycle < 50%	2
Package thermal impedance, N package	θJA			67	°C/W	N package, see Notes 2 and 3	2
Operating virtual junction temperature	TJ			150	°C		2
Storage temperature range	Tstg	-65		150	°C		2

CAD (KiCad official)

Symbol: SN75374N
Footprint: Package_DIP:DIP-16_W7.62mm
3D model: PDIP-16 (KiCad packages3D, STEP)
3D model files: sn75374n-etched.step / sn75374n-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn75374n.step / sn75374n.glb are the bare package body.

Provenance

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

Datasheet: Texas Instruments datasheet (19 pp, sha256 89a79d6677da2e65, retrieved 2026-10-30, tier: manufacturer)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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

SN75374N

Verified SN75374N

Verification log 1 record

3D Model

Symbol & Footprint

Schematic Symbol

PCB Footprint

Datasheet

README