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XL74LS02

XINLUDA · Gates · SOP-14

XL74LS02 from XINLUDA, in a SOP-14. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1Y output Output of NOR gate 1. Y = NOT(1A OR 1B). Drives up to IOL = 8 mA at VOL ≤ 0.5 V; sources up to IOH = -400 μA at VOH ≥ 2.7 V.
2 1A input Input A of NOR gate 1. TTL-compatible: VIH ≥ 2.0 V, VIL ≤ 0.8 V. IIH ≤ 20 μA at VI = 2.7 V; IIL ≤ -0.4 mA at VI = 0.4 V.
3 1B input Input B of NOR gate 1. TTL-compatible: VIH ≥ 2.0 V, VIL ≤ 0.8 V. IIH ≤ 20 μA at VI = 2.7 V; IIL ≤ -0.4 mA at VI = 0.4 V.
4 2Y output Output of NOR gate 2. Y = NOT(2A OR 2B). Drives up to IOL = 8 mA at VOL ≤ 0.5 V; sources up to IOH = -400 μA at VOH ≥ 2.7 V.
5 2A input Input A of NOR gate 2. TTL-compatible: VIH ≥ 2.0 V, VIL ≤ 0.8 V. IIH ≤ 20 μA at VI = 2.7 V; IIL ≤ -0.4 mA at VI = 0.4 V.
6 2B input Input B of NOR gate 2. TTL-compatible: VIH ≥ 2.0 V, VIL ≤ 0.8 V. IIH ≤ 20 μA at VI = 2.7 V; IIL ≤ -0.4 mA at VI = 0.4 V.
7 GND power_in Ground reference (0 V) for all four NOR gates. Must be connected to system ground.
8 3A input Input A of NOR gate 3. TTL-compatible: VIH ≥ 2.0 V, VIL ≤ 0.8 V. IIH ≤ 20 μA at VI = 2.7 V; IIL ≤ -0.4 mA at VI = 0.4 V.
9 3B input Input B of NOR gate 3. TTL-compatible: VIH ≥ 2.0 V, VIL ≤ 0.8 V. IIH ≤ 20 μA at VI = 2.7 V; IIL ≤ -0.4 mA at VI = 0.4 V.
10 3Y output Output of NOR gate 3. Y = NOT(3A OR 3B). Drives up to IOL = 8 mA at VOL ≤ 0.5 V; sources up to IOH = -400 μA at VOH ≥ 2.7 V.
11 4A input Input A of NOR gate 4. TTL-compatible: VIH ≥ 2.0 V, VIL ≤ 0.8 V. IIH ≤ 20 μA at VI = 2.7 V; IIL ≤ -0.4 mA at VI = 0.4 V.
12 4B input Input B of NOR gate 4. TTL-compatible: VIH ≥ 2.0 V, VIL ≤ 0.8 V. IIH ≤ 20 μA at VI = 2.7 V; IIL ≤ -0.4 mA at VI = 0.4 V.
13 4Y output Output of NOR gate 4. Y = NOT(4A OR 4B). Drives up to IOL = 8 mA at VOL ≤ 0.5 V; sources up to IOH = -400 μA at VOH ≥ 2.7 V.
14 VCC power_in Positive supply voltage. Recommended operating range 4.75 V to 5.25 V (typ 5.0 V). Supplies all four NOR gates; ICCH typ 1.8 mA, ICCL typ 3.1 mA at VCC = 5.25 V.

Key specifications

Parameter Value
Manufacturer XINLUDA
Package SOP-14
Category Logic
Pins 14

Ordering variants

  • XL74LS02
  • XL74LS02XD74LS02

CAD (KiCad official)

  • Symbol: XL74LS02
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOP-14 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: XINLUDA datasheet (None pp, sha256 baf1fb5d0728c051, retrieved 2026-08-17, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF

Symbol & Footprint

Schematic Symbol

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PCB Footprint

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