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Contents

README

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SN74HC266N

lingxingic · Buffers, Drivers, Receivers, Transceivers · DIP-14

SN74HC266N from lingxingic, in a DIP-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 A of gate 1; the recommended input voltage range is 0 V to VCC.
2 1B input Data input B of gate 1; the recommended input voltage range is 0 V to VCC.
3 1Y output Open-drain output of gate 1 (XNOR of 1A and 1B); the absolute maximum output current is ±25 mA with -0.5 V < VO < VCC+0.5 V.
4 2Y output Open-drain output of gate 2 (XNOR of 2A and 2B); the absolute maximum output current is ±25 mA with -0.5 V < VO < VCC+0.5 V.
5 2A input Data input A of gate 2; the recommended input voltage range is 0 V to VCC.
6 2B input Data input B of gate 2; the recommended input voltage range is 0 V to VCC.
7 GND power_in Ground (0 V); all voltages are referenced to this pin.
8 3A input Data input A of gate 3; the recommended input voltage range is 0 V to VCC.
9 3B input Data input B of gate 3; the recommended input voltage range is 0 V to VCC.
10 3Y output Open-drain output of gate 3 (XNOR of 3A and 3B); the absolute maximum output current is ±25 mA with -0.5 V < VO < VCC+0.5 V.
11 4Y output Open-drain output of gate 4 (XNOR of 4A and 4B); the absolute maximum output current is ±25 mA with -0.5 V < VO < VCC+0.5 V.
12 4A input Data input A of gate 4; the recommended input voltage range is 0 V to VCC.
13 4B input Data input B of gate 4; the recommended input voltage range is 0 V to VCC.
14 VCC power_in Supply voltage; recommended range is 2.0 V to 6.0 V for SN74HC266 and 4.5 V to 5.5 V for SN74HCT266, with absolute maximum 7 V.

Key specifications

Parameter Value
Manufacturer lingxingic
Package DIP-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
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
ground current IGND -50 mA 6
supply current ICC 50 mA 6
supply voltage VCC -0.5 7 V 6
storage temperature Tstg -65 150 ℃ 6
soldering temperature TL 245 ℃ 10s, DIP package 6
supply voltage VCC 2 5 6 V SN74HC266 (HC) column 6
input voltage VI 0 V max printed as VCC 6
output voltage VO 0 V max printed as VCC 6
ambient temperature Tamb -40 125 ℃ 6
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

CAD (KiCad official)

  • Symbol: SN74HC266N
  • Footprint: Package_DIP:DIP-14_W7.62mm
  • 3D model: DIP-14 (KiCad packages3D, STEP)
  • 3D model files: sn74hc266n-etched.step / sn74hc266n-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74hc266n.step / sn74hc266n.glb are the bare package body.

Provenance

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

  • Datasheet: lingxingic datasheet (15 pp, sha256 4b4cc1b98ee48ac0, retrieved 2026-10-16, 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