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DS34LV87TM
Public Made by Adomby adom
Texas Instruments RS-485 / RS-422 ICs, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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DS34LV87TM
Texas Instruments · RS-485 / RS-422 ICs · SOIC-16
DS34LV87TM from Texas Instruments, in a SOIC-16. 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 | DI1 | input | Driver 1 input, LVTTL/LVCMOS compatible with VIH 2.0V min and VIL 0.8V max, protected by ESD diodes. |
| 2 | DO1+ | output | Driver 1 non-inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |
| 3 | DO1- | output | Driver 1 inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |
| 4 | EN | input | Enable input for drivers 1 and 2; outputs are TRI-STATE when low and active when high. |
| 5 | DO2- | output | Driver 2 inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |
| 6 | DO2+ | output | Driver 2 non-inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |
| 7 | DI2 | input | Driver 2 input, LVTTL/LVCMOS compatible with VIH 2.0V min and VIL 0.8V max, protected by ESD diodes. |
| 8 | GND | power_in | Ground reference for the device. |
| 9 | DI3 | input | Driver 3 input, LVTTL/LVCMOS compatible with VIH 2.0V min and VIL 0.8V max, protected by ESD diodes. |
| 10 | DO3+ | output | Driver 3 non-inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |
| 11 | DO3- | output | Driver 3 inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |
| 12 | EN | input | Enable input for drivers 3 and 4; outputs are TRI-STATE when low and active when high. |
| 13 | DO4- | output | Driver 4 inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |
| 14 | DO4+ | output | Driver 4 non-inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |
| 15 | DI4 | input | Driver 4 input, LVTTL/LVCMOS compatible with VIH 2.0V min and VIL 0.8V max, protected by ESD diodes. |
| 16 | VCC | power_in | Supply voltage of 3.0V to 3.6V (3.3V typical), with 0.1 µF in parallel with 0.01 µF bypass recommended. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-16 |
| Category | Interface |
| Pins | 16 |
CAD (KiCad official)
- Symbol:
DS34LV87TM - Footprint:
Package_SO:SOIC-16_3.9x9.9mm_P1.27mm - 3D model: SOIC-16 (KiCad packages3D, STEP)
- 3D model files:
ds34lv87tm-etched.step/ds34lv87tm-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ds34lv87tm.step/ds34lv87tm.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (15 pp, sha256
f24d19802fb8c798, retrieved 2026-10-06, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-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).
# DS34LV87TM
**Texas Instruments** · RS-485 / RS-422 ICs · SOIC-16
DS34LV87TM from Texas Instruments, in a SOIC-16. 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 | DI1 | input | Driver 1 input, LVTTL/LVCMOS compatible with VIH 2.0V min and VIL 0.8V max, protected by ESD diodes. |
| 2 | DO1+ | output | Driver 1 non-inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |
| 3 | DO1- | output | Driver 1 inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |
| 4 | EN | input | Enable input for drivers 1 and 2; outputs are TRI-STATE when low and active when high. |
| 5 | DO2- | output | Driver 2 inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |
| 6 | DO2+ | output | Driver 2 non-inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |
| 7 | DI2 | input | Driver 2 input, LVTTL/LVCMOS compatible with VIH 2.0V min and VIL 0.8V max, protected by ESD diodes. |
| 8 | GND | power_in | Ground reference for the device. |
| 9 | DI3 | input | Driver 3 input, LVTTL/LVCMOS compatible with VIH 2.0V min and VIL 0.8V max, protected by ESD diodes. |
| 10 | DO3+ | output | Driver 3 non-inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |
| 11 | DO3- | output | Driver 3 inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |
| 12 | EN | input | Enable input for drivers 3 and 4; outputs are TRI-STATE when low and active when high. |
| 13 | DO4- | output | Driver 4 inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |
| 14 | DO4+ | output | Driver 4 non-inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |
| 15 | DI4 | input | Driver 4 input, LVTTL/LVCMOS compatible with VIH 2.0V min and VIL 0.8V max, protected by ESD diodes. |
| 16 | VCC | power_in | Supply voltage of 3.0V to 3.6V (3.3V typical), with 0.1 µF in parallel with 0.01 µF bypass recommended. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-16 |
| Category | Interface |
| Pins | 16 |
## CAD (KiCad official)
- Symbol: `DS34LV87TM`
- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`
- 3D model: SOIC-16 (KiCad packages3D, STEP)
- 3D model files: `ds34lv87tm-etched.step` / `ds34lv87tm-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ds34lv87tm.step` / `ds34lv87tm.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/ds34lv87t) (15 pp, sha256 `f24d19802fb8c798`, retrieved 2026-10-06, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/ds34lv87tm-datasheet.pdf)