component
74LVTH244APW
Public Made by Adomby adom
Nexperia Logic ICs, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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74LVTH244APW
Nexperia · Logic ICs · TSSOP-20
74LVTH244APW from Nexperia, in a TSSOP-20. 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 | Output enable input (active low) for outputs 1Y0 to 1Y3; a HIGH forces those outputs to the high-impedance OFF-state. |
| 2 | 1A0 | input | Data input 1A0 of the first 4-bit buffer; bus hold input with overvoltage-tolerant inputs to 5.5 V. |
| 3 | 2Y3 | tri_state | 3-state data output 2Y3 of the second 4-bit buffer; high-impedance when 2OE is HIGH. |
| 4 | 1A1 | input | Data input 1A1 of the first 4-bit buffer; bus hold input with overvoltage-tolerant inputs to 5.5 V. |
| 5 | 2Y2 | tri_state | 3-state data output 2Y2 of the second 4-bit buffer; high-impedance when 2OE is HIGH. |
| 6 | 1A2 | input | Data input 1A2 of the first 4-bit buffer; bus hold input with overvoltage-tolerant inputs to 5.5 V. |
| 7 | 2Y1 | tri_state | 3-state data output 2Y1 of the second 4-bit buffer; high-impedance when 2OE is HIGH. |
| 8 | 1A3 | input | Data input 1A3 of the first 4-bit buffer; bus hold input with overvoltage-tolerant inputs to 5.5 V. |
| 9 | 2Y0 | tri_state | 3-state data output 2Y0 of the second 4-bit buffer; high-impedance when 2OE is HIGH. |
| 10 | GND | power_in | Ground (0 V) reference pin. |
| 11 | 2A0 | input | Data input 2A0 of the second 4-bit buffer; bus hold input with overvoltage-tolerant inputs to 5.5 V. |
| 12 | 1Y3 | tri_state | 3-state data output 1Y3 of the first 4-bit buffer; high-impedance when 1OE is HIGH. |
| 13 | 2A1 | input | Data input 2A1 of the second 4-bit buffer; bus hold input with overvoltage-tolerant inputs to 5.5 V. |
| 14 | 1Y2 | tri_state | 3-state data output 1Y2 of the first 4-bit buffer; high-impedance when 1OE is HIGH. |
| 15 | 2A2 | input | Data input 2A2 of the second 4-bit buffer; bus hold input with overvoltage-tolerant inputs to 5.5 V. |
| 16 | 1Y1 | tri_state | 3-state data output 1Y1 of the first 4-bit buffer; high-impedance when 1OE is HIGH. |
| 17 | 2A3 | input | Data input 2A3 of the second 4-bit buffer; bus hold input with overvoltage-tolerant inputs to 5.5 V. |
| 18 | 1Y0 | tri_state | 3-state data output 1Y0 of the first 4-bit buffer; high-impedance when 1OE is HIGH. |
| 19 | 2OE | input | Output enable input (active low) for outputs 2Y0 to 2Y3; a HIGH forces those outputs to the high-impedance OFF-state. |
| 20 | VCC | power_in | Supply voltage, specified from 2.7 V to 3.6 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | TSSOP-20 |
| Category | Logic ICs |
| Pins | 20 |
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 | -0.5 | 4.6 | V | 4 | ||
| input voltage | VI | -0.5 | 7 | V | 4 | ||
| output voltage | VO | -0.5 | 7 | V | output in OFF-state or HIGH-state | 4 | |
| input clamping current | IIK | -50 | mA | VI < 0 V | 4 | ||
| output clamping current | IOK | -50 | mA | VO < 0 V | 4 | ||
| output current | IO | 128 | mA | output in LOW-state | 4 | ||
| output current | IO | -64 | mA | output in HIGH-state | 4 | ||
| storage temperature | Tstg | -65 | 150 | °C | 4 | ||
| junction temperature | Tj | 150 | °C | 4 | |||
| total power dissipation | Ptot | 500 | mW | Tamb = -40 to +85 °C | 4 | ||
| supply voltage | VCC | 2.7 | 3.6 | V | 4 | ||
| input voltage | VI | 0 | 5.5 | V | 4 | ||
| HIGH-level output current | IOH | -32 | mA | 4 | |||
| LOW-level output current | IOL | 32 | mA | none | 4 | ||
| LOW-level output current | IOL | 64 | mA | current duty cycle ≤ 50 %; fi ≥ 1 kHz | 4 | ||
| ambient temperature | Tamb | -40 | 85 | °C | in free-air | 4 | |
| input transition rise and fall rate | Δt/ΔV | 10 | ns/V | outputs enabled | 4 | ||
| input clamping voltage | VIK | -1.2 | -0.9 | V | VCC = 2.7 V; IIK = -18 mA | 5 | |
| HIGH-level input voltage | VIH | 2 | V | 5 | |||
| LOW-level input voltage | VIL | 0.8 | V | 5 | |||
| HIGH-level output voltage | VOH | 2.4 | 2.5 | V | VCC = 2.7 V to 3.6 V; IOH = -8 mA | 5 | |
| HIGH-level output voltage | VOH | 2 | 2.2 | V | VCC = 3.0 V; IOH = -32 mA | 5 | |
| LOW-level output voltage | VOL | 0.1 | 0.2 | V | VCC = 2.7 V; IOL = 100 μA | 5 | |
| LOW-level output voltage | VOL | 0.3 | 0.5 | V | VCC = 2.7 V; IOL = 24 mA | 5 | |
| LOW-level output voltage | VOL | 0.25 | 0.4 | V | VCC = 3.0 V; IOL = 16 mA | 5 | |
| LOW-level output voltage | VOL | 0.4 | 0.55 | V | VCC = 3.0 V; IOL = 64 mA | 5 | |
| input leakage current (all input pins) | II | 0.1 | 10 | μA | all input pins; VCC = 0 V or 3.6 V; VI = 5.5 V | 5 | |
| input leakage current (control pins) | II | -1 | 0.1 | 1 | μA | control pins; VCC = 3.6 V; VI = VCC or GND | 5 |
| input leakage current (data pins) | II | 0.1 | 1 | μA | data pins; VCC = 3.6 V; VI = VCC | 5 | |
| input leakage current | II | -5 | -1 | μA | VCC = 3.6 V; VI = 0 V | 5 | |
| power-off leakage current | IOFF | -100 | 1 | 100 | μA | VCC = 0 V; VI or VO = 0 V to 4.5 V | 5 |
| bus hold LOW current | IBHL | 75 | 150 | μA | VCC = 3 V; VI = 0.8 V | 5 | |
| bus hold HIGH current | IBHH | -150 | -75 | μA | VCC = 3 V; VI = 2.0 V | 5 | |
| bus hold LOW overdrive current | IBHLO | 500 | μA | nAn input; VCC = 3.6 V; VI = 0 V to 3.6 V | 5 | ||
| bus hold HIGH overdrive current | IBHHO | -500 | μA | nAn input; VCC = 3.6 V; VI = 0 V to 3.6 V | 5 | ||
| external current | IEX | 60 | 125 | μA | nYn output in HIGH-state when VO > VCC; VO = 5.5 V; VCC = 3.0 V | 5 | |
| power-up/power-down output current | IO(pu/pd) | -100 | 1 | 100 | μA | VCC ≤ 1.2 V; VO = 0.5 V to VCC; VI = GND or VCC; nOE = don't care | 5 |
| OFF-state output current | IOZ | 1 | 5 | μA | VCC = 3.6 V; VI = VIH or VIL; VO = 3.0 V | 5 | |
| OFF-state output current | IOZ | -5 | -1 | μA | VCC = 3.6 V; VI = VIH or VIL; VO = 0.5 V | 5 | |
| supply current (output HIGH) | ICC | 0.13 | 0.19 | mA | VCC = 3.6 V; VI = GND or VCC; IO = 0 A; output HIGH | 5 | |
| supply current (output LOW) | ICC | 3 | 12 | mA | VCC = 3.6 V; VI = GND or VCC; IO = 0 A; output LOW | 5 | |
| supply current (outputs disabled) | ICC | 0.13 | 0.19 | mA | VCC = 3.6 V; VI = GND or VCC; IO = 0 A; outputs disabled | 5 | |
| additional supply current per input pin | ΔICC | 0.1 | 0.2 | mA | VCC = 3.0 V to 3.6 V; one input at VCC - 0.6 V and other inputs at VCC or GND | 5 | |
| LOW to HIGH propagation delay | tPLH | 5 | ns | nAn to nYn; see Fig. 3; VCC = 2.7 V | 6 | ||
| LOW to HIGH propagation delay | tPLH | 1 | 2.5 | 4.1 | ns | nAn to nYn; see Fig. 3; VCC = 3.0 V to 3.6 V | 6 |
| HIGH to LOW propagation delay | tPHL | 5.1 | ns | nAn to nYn; see Fig. 3; VCC = 2.7 V | 6 | ||
| HIGH to LOW propagation delay | tPHL | 1 | 2.6 | 4.1 | ns | nAn to nYn; see Fig. 3; VCC = 3.0 V to 3.6 V | 6 |
| OFF-state to HIGH propagation delay | tPZH | 6.3 | ns | nOE to nYn; see Fig. 4; VCC = 2.7 V | 6 | ||
| OFF-state to HIGH propagation delay | tPZH | 1 | 3.2 | 5.2 | ns | nOE to nYn; see Fig. 4; VCC = 3.0 V to 3.6 V | 6 |
| OFF-state to LOW propagation delay | tPZL | 6.7 | ns | nOE to nYn; see Fig. 4; VCC = 2.7 V | 6 | ||
| OFF-state to LOW propagation delay | tPZL | 1.1 | 3.1 | 5.2 | ns | nOE to nYn; see Fig. 4; VCC = 3.0 V to 3.6 V | 6 |
| HIGH to OFF-state propagation delay | tPHZ | 6.3 | ns | nOE to nYn; see Fig. 4; VCC = 2.7 V | 6 | ||
| HIGH to OFF-state propagation delay | tPHZ | 1.9 | 3.3 | 5.6 | ns | nOE to nYn; see Fig. 4; VCC = 3.0 V to 3.6 V | 6 |
| LOW to OFF-state propagation delay | tPLZ | 5.6 | ns | nOE to nYn; see Fig. 4; VCC = 2.7 V | 6 | ||
| LOW to OFF-state propagation delay | tPLZ | 1.8 | 3.3 | 5.1 | ns | nOE to nYn; see Fig. 4; VCC = 3.0 V to 3.6 V | 6 |
CAD (KiCad official)
- Symbol:
74LVTH244APW - Footprint:
Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm - 3D model: TSSOP-20 (KiCad packages3D, STEP)
- 3D model files:
74lvth244apw-etched.step/74lvth244apw-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);74lvth244apw.step/74lvth244apw.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (14 pp, sha256
766604675ad5fb7a, retrieved 2026-10-18, 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).
# 74LVTH244APW
**Nexperia** · Logic ICs · TSSOP-20
74LVTH244APW from Nexperia, in a TSSOP-20. 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 | Output enable input (active low) for outputs 1Y0 to 1Y3; a HIGH forces those outputs to the high-impedance OFF-state. |
| 2 | 1A0 | input | Data input 1A0 of the first 4-bit buffer; bus hold input with overvoltage-tolerant inputs to 5.5 V. |
| 3 | 2Y3 | tri_state | 3-state data output 2Y3 of the second 4-bit buffer; high-impedance when 2OE is HIGH. |
| 4 | 1A1 | input | Data input 1A1 of the first 4-bit buffer; bus hold input with overvoltage-tolerant inputs to 5.5 V. |
| 5 | 2Y2 | tri_state | 3-state data output 2Y2 of the second 4-bit buffer; high-impedance when 2OE is HIGH. |
| 6 | 1A2 | input | Data input 1A2 of the first 4-bit buffer; bus hold input with overvoltage-tolerant inputs to 5.5 V. |
| 7 | 2Y1 | tri_state | 3-state data output 2Y1 of the second 4-bit buffer; high-impedance when 2OE is HIGH. |
| 8 | 1A3 | input | Data input 1A3 of the first 4-bit buffer; bus hold input with overvoltage-tolerant inputs to 5.5 V. |
| 9 | 2Y0 | tri_state | 3-state data output 2Y0 of the second 4-bit buffer; high-impedance when 2OE is HIGH. |
| 10 | GND | power_in | Ground (0 V) reference pin. |
| 11 | 2A0 | input | Data input 2A0 of the second 4-bit buffer; bus hold input with overvoltage-tolerant inputs to 5.5 V. |
| 12 | 1Y3 | tri_state | 3-state data output 1Y3 of the first 4-bit buffer; high-impedance when 1OE is HIGH. |
| 13 | 2A1 | input | Data input 2A1 of the second 4-bit buffer; bus hold input with overvoltage-tolerant inputs to 5.5 V. |
| 14 | 1Y2 | tri_state | 3-state data output 1Y2 of the first 4-bit buffer; high-impedance when 1OE is HIGH. |
| 15 | 2A2 | input | Data input 2A2 of the second 4-bit buffer; bus hold input with overvoltage-tolerant inputs to 5.5 V. |
| 16 | 1Y1 | tri_state | 3-state data output 1Y1 of the first 4-bit buffer; high-impedance when 1OE is HIGH. |
| 17 | 2A3 | input | Data input 2A3 of the second 4-bit buffer; bus hold input with overvoltage-tolerant inputs to 5.5 V. |
| 18 | 1Y0 | tri_state | 3-state data output 1Y0 of the first 4-bit buffer; high-impedance when 1OE is HIGH. |
| 19 | 2OE | input | Output enable input (active low) for outputs 2Y0 to 2Y3; a HIGH forces those outputs to the high-impedance OFF-state. |
| 20 | VCC | power_in | Supply voltage, specified from 2.7 V to 3.6 V. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | TSSOP-20 |
| Category | Logic ICs |
| Pins | 20 |
## 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 | -0.5 | | 4.6 | V | | 4 |
| input voltage | VI | -0.5 | | 7 | V | | 4 |
| output voltage | VO | -0.5 | | 7 | V | output in OFF-state or HIGH-state | 4 |
| input clamping current | IIK | -50 | | | mA | VI < 0 V | 4 |
| output clamping current | IOK | -50 | | | mA | VO < 0 V | 4 |
| output current | IO | | | 128 | mA | output in LOW-state | 4 |
| output current | IO | -64 | | | mA | output in HIGH-state | 4 |
| storage temperature | Tstg | -65 | | 150 | °C | | 4 |
| junction temperature | Tj | | | 150 | °C | | 4 |
| total power dissipation | Ptot | | | 500 | mW | Tamb = -40 to +85 °C | 4 |
| supply voltage | VCC | 2.7 | | 3.6 | V | | 4 |
| input voltage | VI | 0 | | 5.5 | V | | 4 |
| HIGH-level output current | IOH | -32 | | | mA | | 4 |
| LOW-level output current | IOL | | | 32 | mA | none | 4 |
| LOW-level output current | IOL | | | 64 | mA | current duty cycle ≤ 50 %; fi ≥ 1 kHz | 4 |
| ambient temperature | Tamb | -40 | | 85 | °C | in free-air | 4 |
| input transition rise and fall rate | Δt/ΔV | | | 10 | ns/V | outputs enabled | 4 |
| input clamping voltage | VIK | -1.2 | -0.9 | | V | VCC = 2.7 V; IIK = -18 mA | 5 |
| HIGH-level input voltage | VIH | 2 | | | V | | 5 |
| LOW-level input voltage | VIL | | | 0.8 | V | | 5 |
| HIGH-level output voltage | VOH | 2.4 | 2.5 | | V | VCC = 2.7 V to 3.6 V; IOH = -8 mA | 5 |
| HIGH-level output voltage | VOH | 2 | 2.2 | | V | VCC = 3.0 V; IOH = -32 mA | 5 |
| LOW-level output voltage | VOL | | 0.1 | 0.2 | V | VCC = 2.7 V; IOL = 100 μA | 5 |
| LOW-level output voltage | VOL | | 0.3 | 0.5 | V | VCC = 2.7 V; IOL = 24 mA | 5 |
| LOW-level output voltage | VOL | | 0.25 | 0.4 | V | VCC = 3.0 V; IOL = 16 mA | 5 |
| LOW-level output voltage | VOL | | 0.4 | 0.55 | V | VCC = 3.0 V; IOL = 64 mA | 5 |
| input leakage current (all input pins) | II | | 0.1 | 10 | μA | all input pins; VCC = 0 V or 3.6 V; VI = 5.5 V | 5 |
| input leakage current (control pins) | II | -1 | 0.1 | 1 | μA | control pins; VCC = 3.6 V; VI = VCC or GND | 5 |
| input leakage current (data pins) | II | | 0.1 | 1 | μA | data pins; VCC = 3.6 V; VI = VCC | 5 |
| input leakage current | II | -5 | -1 | | μA | VCC = 3.6 V; VI = 0 V | 5 |
| power-off leakage current | IOFF | -100 | 1 | 100 | μA | VCC = 0 V; VI or VO = 0 V to 4.5 V | 5 |
| bus hold LOW current | IBHL | 75 | 150 | | μA | VCC = 3 V; VI = 0.8 V | 5 |
| bus hold HIGH current | IBHH | | -150 | -75 | μA | VCC = 3 V; VI = 2.0 V | 5 |
| bus hold LOW overdrive current | IBHLO | 500 | | | μA | nAn input; VCC = 3.6 V; VI = 0 V to 3.6 V | 5 |
| bus hold HIGH overdrive current | IBHHO | | | -500 | μA | nAn input; VCC = 3.6 V; VI = 0 V to 3.6 V | 5 |
| external current | IEX | | 60 | 125 | μA | nYn output in HIGH-state when VO > VCC; VO = 5.5 V; VCC = 3.0 V | 5 |
| power-up/power-down output current | IO(pu/pd) | -100 | 1 | 100 | μA | VCC ≤ 1.2 V; VO = 0.5 V to VCC; VI = GND or VCC; nOE = don't care | 5 |
| OFF-state output current | IOZ | | 1 | 5 | μA | VCC = 3.6 V; VI = VIH or VIL; VO = 3.0 V | 5 |
| OFF-state output current | IOZ | -5 | -1 | | μA | VCC = 3.6 V; VI = VIH or VIL; VO = 0.5 V | 5 |
| supply current (output HIGH) | ICC | | 0.13 | 0.19 | mA | VCC = 3.6 V; VI = GND or VCC; IO = 0 A; output HIGH | 5 |
| supply current (output LOW) | ICC | | 3 | 12 | mA | VCC = 3.6 V; VI = GND or VCC; IO = 0 A; output LOW | 5 |
| supply current (outputs disabled) | ICC | | 0.13 | 0.19 | mA | VCC = 3.6 V; VI = GND or VCC; IO = 0 A; outputs disabled | 5 |
| additional supply current per input pin | ΔICC | | 0.1 | 0.2 | mA | VCC = 3.0 V to 3.6 V; one input at VCC - 0.6 V and other inputs at VCC or GND | 5 |
| LOW to HIGH propagation delay | tPLH | | | 5 | ns | nAn to nYn; see Fig. 3; VCC = 2.7 V | 6 |
| LOW to HIGH propagation delay | tPLH | 1 | 2.5 | 4.1 | ns | nAn to nYn; see Fig. 3; VCC = 3.0 V to 3.6 V | 6 |
| HIGH to LOW propagation delay | tPHL | | | 5.1 | ns | nAn to nYn; see Fig. 3; VCC = 2.7 V | 6 |
| HIGH to LOW propagation delay | tPHL | 1 | 2.6 | 4.1 | ns | nAn to nYn; see Fig. 3; VCC = 3.0 V to 3.6 V | 6 |
| OFF-state to HIGH propagation delay | tPZH | | | 6.3 | ns | nOE to nYn; see Fig. 4; VCC = 2.7 V | 6 |
| OFF-state to HIGH propagation delay | tPZH | 1 | 3.2 | 5.2 | ns | nOE to nYn; see Fig. 4; VCC = 3.0 V to 3.6 V | 6 |
| OFF-state to LOW propagation delay | tPZL | | | 6.7 | ns | nOE to nYn; see Fig. 4; VCC = 2.7 V | 6 |
| OFF-state to LOW propagation delay | tPZL | 1.1 | 3.1 | 5.2 | ns | nOE to nYn; see Fig. 4; VCC = 3.0 V to 3.6 V | 6 |
| HIGH to OFF-state propagation delay | tPHZ | | | 6.3 | ns | nOE to nYn; see Fig. 4; VCC = 2.7 V | 6 |
| HIGH to OFF-state propagation delay | tPHZ | 1.9 | 3.3 | 5.6 | ns | nOE to nYn; see Fig. 4; VCC = 3.0 V to 3.6 V | 6 |
| LOW to OFF-state propagation delay | tPLZ | | | 5.6 | ns | nOE to nYn; see Fig. 4; VCC = 2.7 V | 6 |
| LOW to OFF-state propagation delay | tPLZ | 1.8 | 3.3 | 5.1 | ns | nOE to nYn; see Fig. 4; VCC = 3.0 V to 3.6 V | 6 |
## CAD (KiCad official)
- Symbol: `74LVTH244APW`
- Footprint: `Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm`
- 3D model: TSSOP-20 (KiCad packages3D, STEP)
- 3D model files: `74lvth244apw-etched.step` / `74lvth244apw-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `74lvth244apw.step` / `74lvth244apw.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Nexperia datasheet](https://assets.nexperia.com/documents/data-sheet/74LVTH244APW.pdf) (14 pp, sha256 `766604675ad5fb7a`, retrieved 2026-10-18, 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/74lvth244apw-datasheet.pdf)