# CD4020BMT

**HGSEMI** · Counters, Dividers · TSSOP-16

CD4020BMT from HGSEMI, in a TSSOP-16. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | Q12 | output | Counter stage 12 output from the 14-stage binary counter. |
| 2 | Q13 | output | Counter stage 13 output from the 14-stage binary counter. |
| 3 | Q14 | output | Counter stage 14 output from the 14-stage binary counter. |
| 4 | Q6 | output | Counter stage 6 output from the 14-stage binary counter. |
| 5 | Q5 | output | Counter stage 5 output from the 14-stage binary counter. |
| 6 | Q7 | output | Counter stage 7 output from the 14-stage binary counter. |
| 7 | Q4 | output | Counter stage 4 output from the 14-stage binary counter. |
| 8 | VSS | power_in | Ground; power supply return. |
| 9 | Q1 | output | Counter stage 1 output from the 14-stage binary counter. |
| 10 | φ1 | input | Clock input with Schmitt trigger circuit; counter increments on falling edge. |
| 11 | RESET | input | Reset input; active low; clears all counter outputs. |
| 12 | Q9 | output | Counter stage 9 output from the 14-stage binary counter. |
| 13 | Q8 | output | Counter stage 8 output from the 14-stage binary counter. |
| 14 | Q10 | output | Counter stage 10 output from the 14-stage binary counter. |
| 15 | Q11 | output | Counter stage 11 output from the 14-stage binary counter. |
| 16 | VDD | power_in | Positive power supply voltage; operating range 3.0V to 15.0V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HGSEMI |
| Package | TSSOP-16 |
| Category | Logic |
| Pins | 16 |

## CAD (KiCad official)

- Symbol: `CD4020BMT`
- Footprint: `Package_SO:TSSOP-16_4.4x5mm_P0.65mm`
- 3D model: TSSOP-16 (KiCad packages3D, STEP)
- 3D model files: `cd4020bmt-etched.step` / `cd4020bmt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cd4020bmt.step` / `cd4020bmt.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [HGSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603087745791107072) (8 pp, sha256 `7f95d7a1ed4cbc4f`, retrieved 2026-09-22, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/cd4020bmt-datasheet.pdf)