component
74AHCT125S14-13
Public Made by Adomby adom
Diodes Incorporated Buffers, Drivers, Receivers, Transceivers, SO-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
74AHCT125S14-13
Diodes Incorporated · Buffers, Drivers, Receivers, Transceivers · SO-14
74AHCT125S14-13 from Diodes Incorporated, in a SO-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-low data enable for buffer 1; a high level places output 1Y in the high-impedance state (per function table, L enables the buffer). |
| 2 | 1A | input | Data input of buffer 1; TTL-voltage-level compatible with Schmitt-trigger action, and unused inputs should be held at VCC or GND. |
| 3 | 1Y | tri_state | Three-state data output of buffer 1; sinks or sources 8 mA at VCC = 4.5 V. |
| 4 | 2OE | input | Active-low data enable for buffer 2; a high level places output 2Y in the high-impedance state. |
| 5 | 2A | input | Data input of buffer 2; TTL-voltage-level compatible with Schmitt-trigger action, and unused inputs should be held at VCC or GND. |
| 6 | 2Y | tri_state | Three-state data output of buffer 2; sinks or sources 8 mA at VCC = 4.5 V. |
| 7 | GND | power_in | Ground reference; continuous current through GND is limited to -50 mA (absolute maximum). |
| 8 | 3Y | tri_state | Three-state data output of buffer 3; sinks or sources 8 mA at VCC = 4.5 V. |
| 9 | 3A | input | Data input of buffer 3; TTL-voltage-level compatible with Schmitt-trigger action, and unused inputs should be held at VCC or GND. |
| 10 | 3OE | input | Active-low data enable for buffer 3; a high level places output 3Y in the high-impedance state. |
| 11 | 4Y | tri_state | Three-state data output of buffer 4; sinks or sources 8 mA at VCC = 4.5 V. |
| 12 | 4A | input | Data input of buffer 4; TTL-voltage-level compatible with Schmitt-trigger action, and unused inputs should be held at VCC or GND. |
| 13 | 4OE | input | Active-low data enable for buffer 4; a high level places output 4Y in the high-impedance state. |
| 14 | VCC | power_in | Supply voltage, 4.5 V to 5.5 V recommended operating range (absolute maximum -0.5 V to +7.0 V). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SO-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 | VCC | 4.5 | 5.5 | V | 3 | ||
| Input Voltage | VI | 0 | 5.5 | V | 3 | ||
| Output Voltage | VO | 0 | V | Printed maximum is VCC (not a numeric value) | 3 | ||
| Input Transition Rise or Fall Rate | Δt/ΔV | 20 | ns/V | 3 | |||
| Operating Free-Air Temperature | TA | -40 | 125 | °C | 3 | ||
| ESD Protection, Human Body Model | ESD HBM | 2 | KV | 2 | |||
| ESD Protection, Charged Device Model | ESD CDM | 1 | KV | 2 | |||
| ESD Protection, Machine Model | ESD MM | 200 | V | 2 | |||
| Supply Voltage Range | VCC | -0.5 | 7 | V | 2 | ||
| Input Voltage Range | VI | -0.5 | 7 | V | 2 | ||
| Input Clamp Current | IIK | -20 | mA | VI < -0.5V | 2 | ||
| Output Clamp Current | IOK | -20 | mA | VO < 0V | 2 | ||
| Output Clamp Current | IOK | 20 | mA | VO > VCC | 2 | ||
| Continuous Output Current | IO | -25 | 25 | mA | 0V < VO < VCC | 2 | |
| Continuous Current Through VCC | ICC | 50 | mA | 2 | |||
| Continuous Current Through GND | IGND | -50 | mA | 2 | |||
| Operating Junction Temperature | TJ | -40 | 150 | °C | 2 | ||
| Storage Temperature | TSTG | -65 | 150 | °C | 2 | ||
| Total Power Dissipation | PTOT | 500 | mW | 2 | |||
| High-Level Input Voltage | VIH | 2 | V | VCC = 4.5V to 5.5V; TA = -40°C to +85°C | 3 | ||
| Low-Level Input Voltage | VIL | 0.8 | V | VCC = 4.5V to 5.5V; TA = -40°C to +85°C | 3 | ||
| High-Level Output Voltage | VOH | 4.4 | V | IOH = -50μA, VCC = 4.5V; TA = -40°C to +85°C | 3 | ||
| High-Level Output Voltage | VOH | 3.8 | V | IOH = -8mA, VCC = 4.5V; TA = -40°C to +85°C | 3 | ||
| High-Level Output Voltage | VOH | 3.7 | V | IOH = -8mA, VCC = 4.5V; TA = -40°C to +125°C | 3 | ||
| Low-Level Output Voltage | VOL | 0.1 | V | IOL = 50μA, VCC = 4.5V; TA = -40°C to +85°C | 3 | ||
| Low-Level Output Voltage | VOL | 0.44 | V | IOL = 8mA, VCC = 4.5V; TA = -40°C to +85°C | 3 | ||
| Low-Level Output Voltage | VOL | 0.55 | V | IOL = 8mA, VCC = 4.5V; TA = -40°C to +125°C | 3 | ||
| Z State Leakage Current | IOZ | -2.5 | 2.5 | μA | VO = 0 to 5.5V, VCC = 5.5V; TA = -40°C to +85°C | 3 | |
| Z State Leakage Current | IOZ | -10 | 10 | μA | VO = 0 to 5.5V, VCC = 5.5V; TA = -40°C to +125°C | 3 | |
| Input Current | II | -1 | 1 | μA | VI = GND to 5.5V, VCC = 3.6V; TA = -40°C to +85°C | 3 | |
| Input Current | II | -2 | 2 | μA | VI = GND to 5.5V, VCC = 3.6V; TA = -40°C to +125°C | 3 | |
| Supply Current | ICC | 20 | μA | VI = GND or VCC, IO = 0, VCC = 3.6V; TA = -40°C to +85°C | 3 | ||
| Supply Current | ICC | 40 | μA | VI = GND or VCC, IO = 0, VCC = 3.6V; TA = -40°C to +125°C | 3 | ||
| Additional Supply Current | ΔICC | 1.35 | mA | One input at VCC - 2.1V, other pins at VCC or GND, VCC = 5.5V; TA = -40°C to +85°C | 3 | ||
| Additional Supply Current | ΔICC | 5 | mA | One input at VCC - 2.1V, other pins at VCC or GND, VCC = 5.5V; TA = -40°C to +125°C | 3 | ||
| Propagation Delay AN to YN | tPD | 0.5 | 3 | 5.5 | ns | Figure 1, CL = 15pF; TA = +25°C | 3 |
| Propagation Delay AN to YN | tPD | 0.5 | 6.5 | ns | Figure 1, CL = 15pF; TA = -40°C to +85°C | 3 | |
| Propagation Delay AN to YN | tPD | 0.5 | 7 | ns | Figure 1, CL = 15pF; TA = -40°C to +125°C | 3 | |
| Propagation Delay AN to YN | tPD | 0.5 | 4.3 | 7.5 | ns | Figure 1, CL = 50pF; TA = +25°C | 3 |
| Propagation Delay AN to YN | tPD | 0.5 | 8.5 | ns | Figure 1, CL = 50pF; TA = -40°C to +85°C | 3 | |
| Propagation Delay AN to YN | tPD | 0.5 | 9.5 | ns | Figure 1, CL = 50pF; TA = -40°C to +125°C | 3 | |
| Enable Time OEN to YN | tEN | 0.5 | 6.7 | 10.7 | ns | Figure 1, CL = 15pF; TA = +25°C | 3 |
| Enable Time OEN to YN | tEN | 0.5 | 11 | ns | Figure 1, CL = 15pF; TA = -40°C to +85°C | 3 | |
| Enable Time OEN to YN | tEN | 0.5 | 11.5 | ns | Figure 1, CL = 15pF; TA = -40°C to +125°C | 3 | |
| Enable Time OEN to YN | tEN | 0.5 | 9.8 | 10.9 | ns | Figure 1, CL = 50pF; TA = +25°C | 3 |
| Enable Time OEN to YN | tEN | 0.5 | 12.1 | ns | Figure 1, CL = 50pF; TA = -40°C to +85°C | 3 | |
| Enable Time OEN to YN | tEN | 0.5 | 12.5 | ns | Figure 1, CL = 50pF; TA = -40°C to +125°C | 3 | |
| Disable Time OEN to YN | tDIS | 0.5 | 4.8 | 6.8 | ns | Figure 1, CL = 15pF; TA = +25°C | 3 |
| Disable Time OEN to YN | tDIS | 0.5 | 8 | ns | Figure 1, CL = 15pF; TA = -40°C to +85°C | 3 | |
| Disable Time OEN to YN | tDIS | 0.5 | 8.5 | ns | Figure 1, CL = 15pF; TA = -40°C to +125°C | 3 | |
| Disable Time OEN to YN | tDIS | 0.5 | 6.5 | 8.9 | ns | Figure 1, CL = 50pF; TA = +25°C | 3 |
| Disable Time OEN to YN | tDIS | 0.5 | 10 | ns | Figure 1, CL = 50pF; TA = -40°C to +85°C | 3 | |
| Disable Time OEN to YN | tDIS | 0.5 | 11.5 | ns | Figure 1, CL = 50pF; TA = -40°C to +125°C | 3 |
CAD (KiCad official)
- Symbol:
74AHCT125S14-13 - Footprint:
Adom_Gen:Diodes_Incorporated_74 - 3D model: SO-14 (KiCad packages3D, STEP)
- 3D model files:
74ahct125s14-13-etched.step/74ahct125s14-13-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);74ahct125s14-13.step/74ahct125s14-13.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (8 pp, sha256
3da40e0a973f35e5, retrieved 2026-10-21, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).
# 74AHCT125S14-13
**Diodes Incorporated** · Buffers, Drivers, Receivers, Transceivers · SO-14
74AHCT125S14-13 from Diodes Incorporated, in a SO-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-low data enable for buffer 1; a high level places output 1Y in the high-impedance state (per function table, L enables the buffer). |
| 2 | 1A | input | Data input of buffer 1; TTL-voltage-level compatible with Schmitt-trigger action, and unused inputs should be held at VCC or GND. |
| 3 | 1Y | tri_state | Three-state data output of buffer 1; sinks or sources 8 mA at VCC = 4.5 V. |
| 4 | 2OE | input | Active-low data enable for buffer 2; a high level places output 2Y in the high-impedance state. |
| 5 | 2A | input | Data input of buffer 2; TTL-voltage-level compatible with Schmitt-trigger action, and unused inputs should be held at VCC or GND. |
| 6 | 2Y | tri_state | Three-state data output of buffer 2; sinks or sources 8 mA at VCC = 4.5 V. |
| 7 | GND | power_in | Ground reference; continuous current through GND is limited to -50 mA (absolute maximum). |
| 8 | 3Y | tri_state | Three-state data output of buffer 3; sinks or sources 8 mA at VCC = 4.5 V. |
| 9 | 3A | input | Data input of buffer 3; TTL-voltage-level compatible with Schmitt-trigger action, and unused inputs should be held at VCC or GND. |
| 10 | 3OE | input | Active-low data enable for buffer 3; a high level places output 3Y in the high-impedance state. |
| 11 | 4Y | tri_state | Three-state data output of buffer 4; sinks or sources 8 mA at VCC = 4.5 V. |
| 12 | 4A | input | Data input of buffer 4; TTL-voltage-level compatible with Schmitt-trigger action, and unused inputs should be held at VCC or GND. |
| 13 | 4OE | input | Active-low data enable for buffer 4; a high level places output 4Y in the high-impedance state. |
| 14 | VCC | power_in | Supply voltage, 4.5 V to 5.5 V recommended operating range (absolute maximum -0.5 V to +7.0 V). |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SO-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 | VCC | 4.5 | | 5.5 | V | | 3 |
| Input Voltage | VI | 0 | | 5.5 | V | | 3 |
| Output Voltage | VO | 0 | | | V | Printed maximum is VCC (not a numeric value) | 3 |
| Input Transition Rise or Fall Rate | Δt/ΔV | | | 20 | ns/V | | 3 |
| Operating Free-Air Temperature | TA | -40 | | 125 | °C | | 3 |
| ESD Protection, Human Body Model | ESD HBM | | | 2 | KV | | 2 |
| ESD Protection, Charged Device Model | ESD CDM | | | 1 | KV | | 2 |
| ESD Protection, Machine Model | ESD MM | | | 200 | V | | 2 |
| Supply Voltage Range | VCC | -0.5 | | 7 | V | | 2 |
| Input Voltage Range | VI | -0.5 | | 7 | V | | 2 |
| Input Clamp Current | IIK | -20 | | | mA | VI < -0.5V | 2 |
| Output Clamp Current | IOK | -20 | | | mA | VO < 0V | 2 |
| Output Clamp Current | IOK | | | 20 | mA | VO > VCC | 2 |
| Continuous Output Current | IO | -25 | | 25 | mA | 0V < VO < VCC | 2 |
| Continuous Current Through VCC | ICC | | | 50 | mA | | 2 |
| Continuous Current Through GND | IGND | -50 | | | mA | | 2 |
| Operating Junction Temperature | TJ | -40 | | 150 | °C | | 2 |
| Storage Temperature | TSTG | -65 | | 150 | °C | | 2 |
| Total Power Dissipation | PTOT | | | 500 | mW | | 2 |
| High-Level Input Voltage | VIH | 2 | | | V | VCC = 4.5V to 5.5V; TA = -40°C to +85°C | 3 |
| Low-Level Input Voltage | VIL | | | 0.8 | V | VCC = 4.5V to 5.5V; TA = -40°C to +85°C | 3 |
| High-Level Output Voltage | VOH | 4.4 | | | V | IOH = -50μA, VCC = 4.5V; TA = -40°C to +85°C | 3 |
| High-Level Output Voltage | VOH | 3.8 | | | V | IOH = -8mA, VCC = 4.5V; TA = -40°C to +85°C | 3 |
| High-Level Output Voltage | VOH | 3.7 | | | V | IOH = -8mA, VCC = 4.5V; TA = -40°C to +125°C | 3 |
| Low-Level Output Voltage | VOL | | | 0.1 | V | IOL = 50μA, VCC = 4.5V; TA = -40°C to +85°C | 3 |
| Low-Level Output Voltage | VOL | | | 0.44 | V | IOL = 8mA, VCC = 4.5V; TA = -40°C to +85°C | 3 |
| Low-Level Output Voltage | VOL | | | 0.55 | V | IOL = 8mA, VCC = 4.5V; TA = -40°C to +125°C | 3 |
| Z State Leakage Current | IOZ | -2.5 | | 2.5 | μA | VO = 0 to 5.5V, VCC = 5.5V; TA = -40°C to +85°C | 3 |
| Z State Leakage Current | IOZ | -10 | | 10 | μA | VO = 0 to 5.5V, VCC = 5.5V; TA = -40°C to +125°C | 3 |
| Input Current | II | -1 | | 1 | μA | VI = GND to 5.5V, VCC = 3.6V; TA = -40°C to +85°C | 3 |
| Input Current | II | -2 | | 2 | μA | VI = GND to 5.5V, VCC = 3.6V; TA = -40°C to +125°C | 3 |
| Supply Current | ICC | | | 20 | μA | VI = GND or VCC, IO = 0, VCC = 3.6V; TA = -40°C to +85°C | 3 |
| Supply Current | ICC | | | 40 | μA | VI = GND or VCC, IO = 0, VCC = 3.6V; TA = -40°C to +125°C | 3 |
| Additional Supply Current | ΔICC | | | 1.35 | mA | One input at VCC - 2.1V, other pins at VCC or GND, VCC = 5.5V; TA = -40°C to +85°C | 3 |
| Additional Supply Current | ΔICC | | | 5 | mA | One input at VCC - 2.1V, other pins at VCC or GND, VCC = 5.5V; TA = -40°C to +125°C | 3 |
| Propagation Delay AN to YN | tPD | 0.5 | 3 | 5.5 | ns | Figure 1, CL = 15pF; TA = +25°C | 3 |
| Propagation Delay AN to YN | tPD | 0.5 | | 6.5 | ns | Figure 1, CL = 15pF; TA = -40°C to +85°C | 3 |
| Propagation Delay AN to YN | tPD | 0.5 | | 7 | ns | Figure 1, CL = 15pF; TA = -40°C to +125°C | 3 |
| Propagation Delay AN to YN | tPD | 0.5 | 4.3 | 7.5 | ns | Figure 1, CL = 50pF; TA = +25°C | 3 |
| Propagation Delay AN to YN | tPD | 0.5 | | 8.5 | ns | Figure 1, CL = 50pF; TA = -40°C to +85°C | 3 |
| Propagation Delay AN to YN | tPD | 0.5 | | 9.5 | ns | Figure 1, CL = 50pF; TA = -40°C to +125°C | 3 |
| Enable Time OEN to YN | tEN | 0.5 | 6.7 | 10.7 | ns | Figure 1, CL = 15pF; TA = +25°C | 3 |
| Enable Time OEN to YN | tEN | 0.5 | | 11 | ns | Figure 1, CL = 15pF; TA = -40°C to +85°C | 3 |
| Enable Time OEN to YN | tEN | 0.5 | | 11.5 | ns | Figure 1, CL = 15pF; TA = -40°C to +125°C | 3 |
| Enable Time OEN to YN | tEN | 0.5 | 9.8 | 10.9 | ns | Figure 1, CL = 50pF; TA = +25°C | 3 |
| Enable Time OEN to YN | tEN | 0.5 | | 12.1 | ns | Figure 1, CL = 50pF; TA = -40°C to +85°C | 3 |
| Enable Time OEN to YN | tEN | 0.5 | | 12.5 | ns | Figure 1, CL = 50pF; TA = -40°C to +125°C | 3 |
| Disable Time OEN to YN | tDIS | 0.5 | 4.8 | 6.8 | ns | Figure 1, CL = 15pF; TA = +25°C | 3 |
| Disable Time OEN to YN | tDIS | 0.5 | | 8 | ns | Figure 1, CL = 15pF; TA = -40°C to +85°C | 3 |
| Disable Time OEN to YN | tDIS | 0.5 | | 8.5 | ns | Figure 1, CL = 15pF; TA = -40°C to +125°C | 3 |
| Disable Time OEN to YN | tDIS | 0.5 | 6.5 | 8.9 | ns | Figure 1, CL = 50pF; TA = +25°C | 3 |
| Disable Time OEN to YN | tDIS | 0.5 | | 10 | ns | Figure 1, CL = 50pF; TA = -40°C to +85°C | 3 |
| Disable Time OEN to YN | tDIS | 0.5 | | 11.5 | ns | Figure 1, CL = 50pF; TA = -40°C to +125°C | 3 |
## CAD (KiCad official)
- Symbol: `74AHCT125S14-13`
- Footprint: `Adom_Gen:Diodes_Incorporated_74`
- 3D model: SO-14 (KiCad packages3D, STEP)
- 3D model files: `74ahct125s14-13-etched.step` / `74ahct125s14-13-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `74ahct125s14-13.step` / `74ahct125s14-13.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/74AHCT125S14-13.pdf) (8 pp, sha256 `3da40e0a973f35e5`, retrieved 2026-10-21, 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](docs/74ahct125s14-13-datasheet.pdf)