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SN74LS266DR

Public Made by Adom

by adom

lingxingic Logic Gates, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SN74LS266DR

lingxingic · Logic Gates · SOP-14

SN74LS266DR from lingxingic, in a SOP-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 Data input 1A of XNOR gate 1; input voltage must lie between 0 V and VCC per the recommended operating conditions.
2 1B input Data input 1B of XNOR gate 1; input voltage must lie between 0 V and VCC per the recommended operating conditions.
3 1Y output Open-drain data output 1Y of XNOR gate 1; output current is rated at ±25 mA (absolute maximum).
4 2Y output Open-drain data output 2Y of XNOR gate 2; output current is rated at ±25 mA (absolute maximum).
5 2A input Data input 2A of XNOR gate 2; input voltage must lie between 0 V and VCC per the recommended operating conditions.
6 2B input Data input 2B of XNOR gate 2; input voltage must lie between 0 V and VCC per the recommended operating conditions.
7 GND power_in Ground reference (0 V); all voltages are referenced to this pin.
8 3A input Data input 3A of XNOR gate 3; input voltage must lie between 0 V and VCC per the recommended operating conditions.
9 3B input Data input 3B of XNOR gate 3; input voltage must lie between 0 V and VCC per the recommended operating conditions.
10 3Y output Open-drain data output 3Y of XNOR gate 3; output current is rated at ±25 mA (absolute maximum).
11 4Y output Open-drain data output 4Y of XNOR gate 4; output current is rated at ±25 mA (absolute maximum).
12 4A input Data input 4A of XNOR gate 4; input voltage must lie between 0 V and VCC per the recommended operating conditions.
13 4B input Data input 4B of XNOR gate 4; input voltage must lie between 0 V and VCC per the recommended operating conditions.
14 VCC power_in Supply voltage; recommended range 2.0 V to 6.0 V (5.0 V typical), absolute maximum 7 V.

Key specifications

Parameter Value
Manufacturer lingxingic
Package SOP-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
HIGH-level input voltage VIH 1.5 1.2 V VCC=2.0V; Tamb=-40℃ to +85℃ 7
HIGH-level input voltage VIH 3.15 2.4 V VCC=4.5V; Tamb=-40℃ to +85℃ 7
HIGH-level input voltage VIH 4.2 3.2 V VCC=6.0V; Tamb=-40℃ to +85℃ 7
LOW-level input voltage VIL 0.8 0.5 V VCC=2.0V; Tamb=-40℃ to +85℃ 7
LOW-level input voltage VIL 2.1 1.35 V VCC=4.5V; Tamb=-40℃ to +85℃ 7
LOW-level input voltage VIL 2.8 1.8 V VCC=6.0V; Tamb=-40℃ to +85℃ 7
LOW-level output voltage VOL 0.002 0.1 V VCC=2.0V; IO=20uA; Tamb=-40℃ to +85℃ 7
LOW-level output voltage VOL 0.001 0.1 V VCC=4.5V; IO=20uA; Tamb=-40℃ to +85℃ 7
LOW-level output voltage VOL 0.17 0.33 V VCC=4.5V; IO=4.0mA; Tamb=-40℃ to +85℃ 7
LOW-level output voltage VOL 0.15 0.33 V VCC=6.0V; IO=5.2mA; Tamb=-40℃ to +85℃ 7
input leakage current II -1 1 uA VCC=6.0V; VI=VCC or GND; Tamb=-40℃ to +85℃ 7
OFF-state output current IOZ -5 5 uA VCC=6.0V; VI=VIH or VIL; VO=VCC or GND; Tamb=-40℃ to +85℃ 7
supply current ICC 10 uA VCC=6.0V; VI=VCC or GND; IO=0A; Tamb=-40℃ to +85℃ 7
HIGH-level input voltage VIH 1.5 V VCC=2.0V; Tamb=-40℃ to +125℃ 8
HIGH-level input voltage VIH 3.15 V VCC=4.5V; Tamb=-40℃ to +125℃ 8
HIGH-level input voltage VIH 4.2 V VCC=6.0V; Tamb=-40℃ to +125℃ 8
LOW-level input voltage VIL 0.5 V VCC=2.0V; Tamb=-40℃ to +125℃ 8
LOW-level input voltage VIL 1.35 V VCC=4.5V; Tamb=-40℃ to +125℃ 8
LOW-level input voltage VIL 1.8 V VCC=6.0V; Tamb=-40℃ to +125℃ 8
LOW-level output voltage VOL 0.1 V VCC=2.0V; IO=20uA; Tamb=-40℃ to +125℃ 8
LOW-level output voltage VOL 0.4 V VCC=4.5V; IO=4.0mA; Tamb=-40℃ to +125℃ 8
input leakage current II -1 1 uA VCC=6.0V; VI=VCC or GND; Tamb=-40℃ to +125℃ 8
OFF-state output current IOZ -10 10 uA VCC=6.0V; VI=VIH or VIL; VO=VCC or GND; Tamb=-40℃ to +125℃ 8
supply current ICC 20 uA VCC=6.0V; VI=VCC or GND; IO=0A; Tamb=-40℃ to +125℃ 8
propagation delay tPLZ, tPZL 60 155 ns VCC=2.0V; CL=50pF; see Figure 4; Tamb=-40℃ to +85℃ 9
propagation delay tPLZ, tPZL 13 31 ns VCC=4.5V; CL=50pF; Tamb=-40℃ to +85℃ 9
propagation delay tPLZ, tPZL 10 26 ns VCC=6.0V; CL=50pF; Tamb=-40℃ to +85℃ 9
transition time tTHL 28 95 ns VCC=2.0V; CL=50pF; see Figure 4; Tamb=-40℃ to +85℃ 9
transition time tTHL 8 19 ns VCC=4.5V; CL=50pF; Tamb=-40℃ to +85℃ 9
transition time tTHL 6 16 ns VCC=6.0V; CL=50pF; Tamb=-40℃ to +85℃ 9
propagation delay tPLZ, tPZL 135 ns VCC=2.0V; CL=50pF; see Figure 4; Tamb=-40℃ to +125℃ 9
propagation delay tPLZ, tPZL 27 ns VCC=4.5V; CL=50pF; Tamb=-40℃ to +125℃ 9
propagation delay tPLZ, tPZL 23 ns VCC=6.0V; CL=50pF; Tamb=-40℃ to +125℃ 9
transition time tTHL 110 ns VCC=2.0V; CL=50pF; see Figure 4; Tamb=-40℃ to +125℃ 9
transition time tTHL 22 ns VCC=4.5V; CL=50pF; Tamb=-40℃ to +125℃ 9
transition time tTHL 19 ns VCC=6.0V; CL=50pF; Tamb=-40℃ to +125℃ 9
supply voltage VCC -0.5 7 V 6
supply current ICC 50 mA 6
ground current IGND -50 mA 6
input clamping current IIK -20 20 mA VI < -0.5V or VI > VCC+0.5V 6
output clamping current IOK -20 20 mA VO < -0.5V or VO > VCC+0.5V 6
output current IO -25 25 mA -0.5V < VO < VCC+0.5V 6
storage temperature Tstg -65 150 ℃ 6
soldering temperature TL 260 ℃ 10s, SOP/TSSOP 6
supply voltage VCC 2 5 6 V 6
input voltage VI 0 V 6
output voltage VO 0 V 6
ambient temperature Tamb -40 125 ℃ 6

CAD (KiCad official)

  • Symbol: SN74LS266DR
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOP-14 (KiCad packages3D, STEP)
  • 3D model files: sn74ls266dr-etched.step / sn74ls266dr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74ls266dr.step / sn74ls266dr.glb are the bare package body.

Provenance

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

  • Datasheet: lingxingic datasheet (15 pp, sha256 f1197e76751e2a52, retrieved 2026-10-18, tier: lcsc)
  • 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