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74AHCT125T14-13
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.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdown74AHCT125T14-13
Diodes Incorporated · Buffers, Drivers, Receivers, Transceivers · TSSOP-14
74AHCT125T14-13 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 | Data enable input for buffer 1, active low; driving it high places output 1Y in the high-impedance state. |
| 2 | 1A | input | Data input for buffer 1, TTL voltage level compatible with Schmitt trigger action. |
| 3 | 1Y | tri_state | Data output of buffer 1 with 3-state capability, sinking or sourcing 8mA at VCC = 4.5V. |
| 4 | 2OE | input | Data enable input for buffer 2, active low; driving it high places output 2Y in the high-impedance state. |
| 5 | 2A | input | Data input for buffer 2, TTL voltage level compatible with Schmitt trigger action. |
| 6 | 2Y | tri_state | Data output of buffer 2 with 3-state capability, sinking or sourcing 8mA at VCC = 4.5V. |
| 7 | GND | power_in | Ground reference for the device. |
| 8 | 3Y | tri_state | Data output of buffer 3 with 3-state capability, sinking or sourcing 8mA at VCC = 4.5V. |
| 9 | 3A | input | Data input for buffer 3, TTL voltage level compatible with Schmitt trigger action. |
| 10 | 3OE | input | Data enable input for buffer 3, active low; driving it high places output 3Y in the high-impedance state. |
| 11 | 4Y | tri_state | Data output of buffer 4 with 3-state capability, sinking or sourcing 8mA at VCC = 4.5V. |
| 12 | 4A | input | Data input for buffer 4, TTL voltage level compatible with Schmitt trigger action. |
| 13 | 4OE | input | Data enable input for buffer 4, active low; driving it high places output 4Y in the high-impedance state. |
| 14 | VCC | power_in | Supply voltage, 4.5V to 5.5V recommended operating range. |
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 |
|---|---|---|---|---|---|---|---|
| Human Body Model ESD Protection | ESD HBM | 2 | KV | 2 | |||
| Charged Device Model ESD Protection | ESD CDM | 1 | KV | 2 | |||
| Machine Model ESD Protection | 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 | |||
| Supply Voltage | VCC | 4.5 | 5.5 | V | 3 | ||
| Input Voltage | VI | 0 | 5.5 | V | 3 | ||
| Output Voltage | VO | 0 | V | maximum printed as VCC | 3 | ||
| Input Transition Rise or Fall Rate | Δt/ΔV | 20 | ns/V | 3 | |||
| Operating Free-Air Temperature | TA | -40 | 125 | °C | 3 | ||
| High-Level Input Voltage | VIH | 2 | V | 4.5V to 5.5V; TA = -40°C to +85°C | 3 | ||
| Low-Level Input Voltage | VIL | 0.8 | V | 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:
74AHCT125T14-13 - Footprint:
Package_SO:TSSOP-14_4.4x5mm_P0.65mm - 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files:
74ahct125t14-13-etched.step/74ahct125t14-13-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);74ahct125t14-13.step/74ahct125t14-13.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 2026-10-17, 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).