component
74AHCT126T14-13
Public Made by Adomby adom
Diodes Incorporated Buffers, Drivers, Receivers, Transceivers, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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74AHCT126T14-13
Diodes Incorporated · Buffers, Drivers, Receivers, Transceivers · TSSOP-14
74AHCT126T14-13 from Diodes Incorporated, in a TSSOP-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 | 1OE | input | Active-high data enable for buffer 1; driving it low places output 1Y in the high-impedance state. |
| 2 | 1A | input | Data input of buffer 1, TTL voltage level compatible with Schmitt trigger action at all inputs. |
| 3 | 1Y | tri_state | 3-state data output of buffer 1, sinking or sourcing 8mA at VCC = 4.5V. |
| 4 | 2OE | input | Active-high data enable for buffer 2; driving it low places output 2Y in the high-impedance state. |
| 5 | 2A | input | Data input of buffer 2, TTL voltage level compatible with Schmitt trigger action at all inputs. |
| 6 | 2Y | tri_state | 3-state data output of buffer 2, sinking or sourcing 8mA at VCC = 4.5V. |
| 7 | GND | power_in | Ground reference; continuous current through GND is limited to -50 mA per the absolute maximum ratings. |
| 8 | 3Y | tri_state | 3-state data output of buffer 3, sinking or sourcing 8mA at VCC = 4.5V. |
| 9 | 3A | input | Data input of buffer 3, TTL voltage level compatible with Schmitt trigger action at all inputs. |
| 10 | 3OE | input | Active-high data enable for buffer 3; driving it low places output 3Y in the high-impedance state. |
| 11 | 4Y | tri_state | 3-state data output of buffer 4, sinking or sourcing 8mA at VCC = 4.5V. |
| 12 | 4A | input | Data input of buffer 4, TTL voltage level compatible with Schmitt trigger action at all inputs. |
| 13 | 4OE | input | Active-high data enable for buffer 4; driving it low places output 4Y in the high-impedance state. |
| 14 | VCC | power_in | Supply voltage, recommended operating range 4.5V to 5.5V, absolute maximum range -0.5 to +7.0V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | TSSOP-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 |
|---|---|---|---|---|---|---|---|
| Supply Voltage Range | VCC | -0.5 | 7 | V | 3 | ||
| Input Voltage Range | VI | -0.5 | 7 | V | 3 | ||
| Input Clamp Current | IIK | -20 | mA | VI < -0.5V | 3 | ||
| Output Clamp Current | IOK | -20 | mA | VO < 0 V | 3 | ||
| Output Clamp Current | IOK | 20 | mA | VO > VCC | 3 | ||
| Continuous Output Current | IO | -25 | 25 | mA | 0V < VO < VCC | 3 | |
| Continuous Current Through VCC | ICC | 50 | mA | 3 | |||
| Continuous Current Through GND | IGND | -50 | mA | 3 | |||
| Operating Junction Temperature | TJ | -40 | 150 | °C | 3 | ||
| Storage Temperature | TSTG | -65 | 150 | °C | 3 | ||
| Total Power Dissipation | PTOT | 500 | mW | 3 | |||
| Supply Voltage | VCC | 4.5 | 5.5 | V | 3 | ||
| Input Voltage | VI | 0 | 5.5 | V | 3 | ||
| Input transition Rise or Fall Rate | ∆t/∆V | 20 | ns/V | 3 | |||
| Operating Free-Air Temperature | TA | -40 | 125 | °C | 3 | ||
| High-Level Input Voltage | VIH | 2 | V | VCC 4.5V to 5.5V; TA = -40°C to +85°C | 4 | ||
| Low-Level Input Voltage | VIL | 0.8 | V | VCC 4.5V to 5.5V; TA = -40°C to +85°C | 4 | ||
| High-Level Output Voltage | VOH | 4.4 | V | IOH = -50µA; VCC 4.5V; TA = -40°C to +85°C | 4 | ||
| High-Level Output Voltage | VOH | 3.8 | V | IOH = -8mA; VCC 4.5V; TA = -40°C to +85°C | 4 | ||
| High-Level Output Voltage | VOH | 3.7 | V | IOH = -8mA; VCC 4.5V; TA = -40°C to +125°C | 4 | ||
| Low-Level Output Voltage | VOL | 0.1 | V | IOL = 50µA; VCC 4.5V; TA = -40°C to +85°C | 4 | ||
| Low-Level Output Voltage | VOL | 0.44 | V | IOL = 8mA; VCC 4.5V; TA = -40°C to +85°C | 4 | ||
| Low-Level Output Voltage | VOL | 0.55 | V | IOL = 8mA; VCC 4.5V; TA = -40°C to +125°C | 4 | ||
| Z State Leakage Current | IOZ | -2.5 | 2.5 | µA | VO = 0 to 5.5V; VCC 5.5V; TA = -40°C to +85°C | 4 | |
| Z State Leakage Current | IOZ | -10 | 10 | µA | VO = 0 to 5.5V; VCC 5.5V; TA = -40°C to +125°C | 4 | |
| Input Current | II | -1 | 1 | µA | VI = GND to 5.5V; VCC 3.6V; TA = -40°C to +85°C | 4 | |
| Input Current | II | -2 | 2 | µA | VI = GND to 5.5V; VCC 3.6V; TA = -40°C to +125°C | 4 | |
| Supply Current | ICC | 20 | µA | VI = GND or VCC, IO = 0; VCC 3.6V; TA = -40°C to +85°C | 4 | ||
| Supply Current | ICC | 40 | µA | VI = GND or VCC, IO = 0; VCC 3.6V; TA = -40°C to +125°C | 4 | ||
| Additional Supply Current | ∆ICC | 1.35 | mA | One input at VCC -2.1V; other pins at VCC or GND; VCC 5.5V; TA = -40°C to +85°C | 4 | ||
| Additional Supply Current | ∆ICC | 5 | mA | One input at VCC -2.1V; other pins at VCC or GND; VCC 5.5V; TA = -40°C to +125°C | 4 | ||
| Propagation Delay AN to YN | tPD | 0.5 | 3 | 5.5 | ns | Figure 1, CL = 15pF; VCC 4.5V to 5.5V; TA = +25°C | 4 |
| Propagation Delay AN to YN | tPD | 0.5 | 6.5 | ns | Figure 1, CL = 15pF; VCC 4.5V to 5.5V; TA = -40°C to +85°C | 4 | |
| Propagation Delay AN to YN | tPD | 0.5 | 7 | ns | Figure 1, CL = 15pF; VCC 4.5V to 5.5V; TA = -40°C to +125°C | 4 | |
| Propagation Delay AN to YN | tPD | 0.5 | 4.3 | 7.5 | ns | Figure 1, CL = 50pF; VCC 4.5V to 5.5V; TA = +25°C | 4 |
| Propagation Delay AN to YN | tPD | 0.5 | 8.5 | ns | Figure 1, CL = 50pF; VCC 4.5V to 5.5V; TA = -40°C to +85°C | 4 | |
| Propagation Delay AN to YN | tPD | 0.5 | 9.5 | ns | Figure 1, CL = 50pF; VCC 4.5V to 5.5V; TA = -40°C to +125°C | 4 | |
| Enable Time OEN to YN | tEN | 0.5 | 3.3 | 5.1 | ns | Figure 1, CL = 15pF; VCC 4.5V to 5.5V; TA = +25°C | 4 |
| Enable Time OEN to YN | tEN | 0.5 | 6 | ns | Figure 1, CL = 15pF; VCC 4.5V to 5.5V; TA = -40°C to +85°C | 4 | |
| Enable Time OEN to YN | tEN | 0.5 | 6.5 | ns | Figure 1, CL = 15pF; VCC 4.5V to 5.5V; TA = -40°C to +125°C | 4 | |
| Enable Time OEN to YN | tEN | 0.5 | 4.7 | 7.1 | ns | Figure 1, CL = 50pF; VCC 4.5V to 5.5V; TA = +25°C | 4 |
| Enable Time OEN to YN | tEN | 0.5 | 8 | ns | Figure 1, CL = 50pF; VCC 4.5V to 5.5V; TA = -40°C to +85°C | 4 | |
| Enable Time OEN to YN | tEN | 0.5 | 9 | ns | Figure 1, CL = 50pF; VCC 4.5V to 5.5V; TA = -40°C to +125°C | 4 | |
| Disable Time OEN to YN | tDIS | 0.5 | 4.8 | 6.8 | ns | Figure 1, CL = 15pF; VCC 4.5V to 5.5V; TA = +25°C | 4 |
| Disable Time OEN to YN | tDIS | 0.5 | 8 | ns | Figure 1, CL = 15pF; VCC 4.5V to 5.5V; TA = -40°C to +85°C | 4 | |
| Disable Time OEN to YN | tDIS | 0.5 | 8.5 | ns | Figure 1, CL = 15pF; VCC 4.5V to 5.5V; TA = -40°C to +125°C | 4 | |
| Disable Time OEN to YN | tDIS | 0.5 | 6.5 | 8.9 | ns | Figure 1, CL = 50pF; VCC 4.5V to 5.5V; TA = +25°C | 4 |
| Disable Time OEN to YN | tDIS | 0.5 | 10 | ns | Figure 1, CL = 50pF; VCC 4.5V to 5.5V; TA = -40°C to +85°C | 4 | |
| Disable Time OEN to YN | tDIS | 0.5 | 11.5 | ns | Figure 1, CL = 50pF; VCC 4.5V to 5.5V; TA = -40°C to +125°C | 4 |
CAD (KiCad official)
- Symbol:
74AHCT126T14-13 - Footprint:
Package_SO:TSSOP-14_4.4x5mm_P0.65mm - 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files:
74ahct126t14-13-etched.step/74ahct126t14-13-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);74ahct126t14-13.step/74ahct126t14-13.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (9 pp, sha256
01531cedbdc9cf65, retrieved 2026-10-21, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusoff(skipped (clean text read)), 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).
# 74AHCT126T14-13
**Diodes Incorporated** · Buffers, Drivers, Receivers, Transceivers · TSSOP-14
74AHCT126T14-13 from Diodes Incorporated, in a TSSOP-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 | 1OE | input | Active-high data enable for buffer 1; driving it low places output 1Y in the high-impedance state. |
| 2 | 1A | input | Data input of buffer 1, TTL voltage level compatible with Schmitt trigger action at all inputs. |
| 3 | 1Y | tri_state | 3-state data output of buffer 1, sinking or sourcing 8mA at VCC = 4.5V. |
| 4 | 2OE | input | Active-high data enable for buffer 2; driving it low places output 2Y in the high-impedance state. |
| 5 | 2A | input | Data input of buffer 2, TTL voltage level compatible with Schmitt trigger action at all inputs. |
| 6 | 2Y | tri_state | 3-state data output of buffer 2, sinking or sourcing 8mA at VCC = 4.5V. |
| 7 | GND | power_in | Ground reference; continuous current through GND is limited to -50 mA per the absolute maximum ratings. |
| 8 | 3Y | tri_state | 3-state data output of buffer 3, sinking or sourcing 8mA at VCC = 4.5V. |
| 9 | 3A | input | Data input of buffer 3, TTL voltage level compatible with Schmitt trigger action at all inputs. |
| 10 | 3OE | input | Active-high data enable for buffer 3; driving it low places output 3Y in the high-impedance state. |
| 11 | 4Y | tri_state | 3-state data output of buffer 4, sinking or sourcing 8mA at VCC = 4.5V. |
| 12 | 4A | input | Data input of buffer 4, TTL voltage level compatible with Schmitt trigger action at all inputs. |
| 13 | 4OE | input | Active-high data enable for buffer 4; driving it low places output 4Y in the high-impedance state. |
| 14 | VCC | power_in | Supply voltage, recommended operating range 4.5V to 5.5V, absolute maximum range -0.5 to +7.0V. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | TSSOP-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 |
|---|---|---|---|---|---|---|---|
| Supply Voltage Range | VCC | -0.5 | | 7 | V | | 3 |
| Input Voltage Range | VI | -0.5 | | 7 | V | | 3 |
| Input Clamp Current | IIK | -20 | | | mA | VI < -0.5V | 3 |
| Output Clamp Current | IOK | -20 | | | mA | VO < 0 V | 3 |
| Output Clamp Current | IOK | | | 20 | mA | VO > VCC | 3 |
| Continuous Output Current | IO | -25 | | 25 | mA | 0V < VO < VCC | 3 |
| Continuous Current Through VCC | ICC | | | 50 | mA | | 3 |
| Continuous Current Through GND | IGND | -50 | | | mA | | 3 |
| Operating Junction Temperature | TJ | -40 | | 150 | °C | | 3 |
| Storage Temperature | TSTG | -65 | | 150 | °C | | 3 |
| Total Power Dissipation | PTOT | | | 500 | mW | | 3 |
| Supply Voltage | VCC | 4.5 | | 5.5 | V | | 3 |
| Input Voltage | VI | 0 | | 5.5 | V | | 3 |
| Input transition Rise or Fall Rate | ∆t/∆V | | | 20 | ns/V | | 3 |
| Operating Free-Air Temperature | TA | -40 | | 125 | °C | | 3 |
| High-Level Input Voltage | VIH | 2 | | | V | VCC 4.5V to 5.5V; TA = -40°C to +85°C | 4 |
| Low-Level Input Voltage | VIL | | | 0.8 | V | VCC 4.5V to 5.5V; TA = -40°C to +85°C | 4 |
| High-Level Output Voltage | VOH | 4.4 | | | V | IOH = -50µA; VCC 4.5V; TA = -40°C to +85°C | 4 |
| High-Level Output Voltage | VOH | 3.8 | | | V | IOH = -8mA; VCC 4.5V; TA = -40°C to +85°C | 4 |
| High-Level Output Voltage | VOH | 3.7 | | | V | IOH = -8mA; VCC 4.5V; TA = -40°C to +125°C | 4 |
| Low-Level Output Voltage | VOL | | | 0.1 | V | IOL = 50µA; VCC 4.5V; TA = -40°C to +85°C | 4 |
| Low-Level Output Voltage | VOL | | | 0.44 | V | IOL = 8mA; VCC 4.5V; TA = -40°C to +85°C | 4 |
| Low-Level Output Voltage | VOL | | | 0.55 | V | IOL = 8mA; VCC 4.5V; TA = -40°C to +125°C | 4 |
| Z State Leakage Current | IOZ | -2.5 | | 2.5 | µA | VO = 0 to 5.5V; VCC 5.5V; TA = -40°C to +85°C | 4 |
| Z State Leakage Current | IOZ | -10 | | 10 | µA | VO = 0 to 5.5V; VCC 5.5V; TA = -40°C to +125°C | 4 |
| Input Current | II | -1 | | 1 | µA | VI = GND to 5.5V; VCC 3.6V; TA = -40°C to +85°C | 4 |
| Input Current | II | -2 | | 2 | µA | VI = GND to 5.5V; VCC 3.6V; TA = -40°C to +125°C | 4 |
| Supply Current | ICC | | | 20 | µA | VI = GND or VCC, IO = 0; VCC 3.6V; TA = -40°C to +85°C | 4 |
| Supply Current | ICC | | | 40 | µA | VI = GND or VCC, IO = 0; VCC 3.6V; TA = -40°C to +125°C | 4 |
| Additional Supply Current | ∆ICC | | | 1.35 | mA | One input at VCC -2.1V; other pins at VCC or GND; VCC 5.5V; TA = -40°C to +85°C | 4 |
| Additional Supply Current | ∆ICC | | | 5 | mA | One input at VCC -2.1V; other pins at VCC or GND; VCC 5.5V; TA = -40°C to +125°C | 4 |
| Propagation Delay AN to YN | tPD | 0.5 | 3 | 5.5 | ns | Figure 1, CL = 15pF; VCC 4.5V to 5.5V; TA = +25°C | 4 |
| Propagation Delay AN to YN | tPD | 0.5 | | 6.5 | ns | Figure 1, CL = 15pF; VCC 4.5V to 5.5V; TA = -40°C to +85°C | 4 |
| Propagation Delay AN to YN | tPD | 0.5 | | 7 | ns | Figure 1, CL = 15pF; VCC 4.5V to 5.5V; TA = -40°C to +125°C | 4 |
| Propagation Delay AN to YN | tPD | 0.5 | 4.3 | 7.5 | ns | Figure 1, CL = 50pF; VCC 4.5V to 5.5V; TA = +25°C | 4 |
| Propagation Delay AN to YN | tPD | 0.5 | | 8.5 | ns | Figure 1, CL = 50pF; VCC 4.5V to 5.5V; TA = -40°C to +85°C | 4 |
| Propagation Delay AN to YN | tPD | 0.5 | | 9.5 | ns | Figure 1, CL = 50pF; VCC 4.5V to 5.5V; TA = -40°C to +125°C | 4 |
| Enable Time OEN to YN | tEN | 0.5 | 3.3 | 5.1 | ns | Figure 1, CL = 15pF; VCC 4.5V to 5.5V; TA = +25°C | 4 |
| Enable Time OEN to YN | tEN | 0.5 | | 6 | ns | Figure 1, CL = 15pF; VCC 4.5V to 5.5V; TA = -40°C to +85°C | 4 |
| Enable Time OEN to YN | tEN | 0.5 | | 6.5 | ns | Figure 1, CL = 15pF; VCC 4.5V to 5.5V; TA = -40°C to +125°C | 4 |
| Enable Time OEN to YN | tEN | 0.5 | 4.7 | 7.1 | ns | Figure 1, CL = 50pF; VCC 4.5V to 5.5V; TA = +25°C | 4 |
| Enable Time OEN to YN | tEN | 0.5 | | 8 | ns | Figure 1, CL = 50pF; VCC 4.5V to 5.5V; TA = -40°C to +85°C | 4 |
| Enable Time OEN to YN | tEN | 0.5 | | 9 | ns | Figure 1, CL = 50pF; VCC 4.5V to 5.5V; TA = -40°C to +125°C | 4 |
| Disable Time OEN to YN | tDIS | 0.5 | 4.8 | 6.8 | ns | Figure 1, CL = 15pF; VCC 4.5V to 5.5V; TA = +25°C | 4 |
| Disable Time OEN to YN | tDIS | 0.5 | | 8 | ns | Figure 1, CL = 15pF; VCC 4.5V to 5.5V; TA = -40°C to +85°C | 4 |
| Disable Time OEN to YN | tDIS | 0.5 | | 8.5 | ns | Figure 1, CL = 15pF; VCC 4.5V to 5.5V; TA = -40°C to +125°C | 4 |
| Disable Time OEN to YN | tDIS | 0.5 | 6.5 | 8.9 | ns | Figure 1, CL = 50pF; VCC 4.5V to 5.5V; TA = +25°C | 4 |
| Disable Time OEN to YN | tDIS | 0.5 | | 10 | ns | Figure 1, CL = 50pF; VCC 4.5V to 5.5V; TA = -40°C to +85°C | 4 |
| Disable Time OEN to YN | tDIS | 0.5 | | 11.5 | ns | Figure 1, CL = 50pF; VCC 4.5V to 5.5V; TA = -40°C to +125°C | 4 |
## CAD (KiCad official)
- Symbol: `74AHCT126T14-13`
- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`
- 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files: `74ahct126t14-13-etched.step` / `74ahct126t14-13-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `74ahct126t14-13.step` / `74ahct126t14-13.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Diodes Incorporated datasheet](https://www.diodes.com/assets/Datasheets/74AHCT126T14-13.pdf) (9 pp, sha256 `01531cedbdc9cf65`, retrieved 2026-10-21, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `off` (skipped (clean text read)), 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](docs/74ahct126t14-13-datasheet.pdf)