component
HT555CRZ
Public Made by Adomby adom
HTCSEMI Timers / Counters, SOP-8. Datasheet-verified pinout, 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
markdownHT555CRZ
HTCSEMI · Timers / Counters · SOP-8
HT555CRZ from HTCSEMI, in a SOP-8. 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 | GND | power_in | Ground connection. |
| 2 | TRIGGER | input | Timing trigger input with low level input current minimum -0.002 mA. |
| 3 | OUTPUT | output | Output capable of sourcing or sinking 200 mA with voltage high 2.75-12.75 V and low 0.25-2.3 V. |
| 4 | RESET | input | Reset control input with low level input current minimum -0.4 mA. |
| 5 | Control Voltage | input | Reference voltage control input with range 2.6-11.0 V at VCC=5 V or 9.0-11.0 V at VCC=15 V. |
| 6 | Threshold | input | Threshold detection input for timing circuit operation. |
| 7 | Discharge | output | Discharge output for timing capacitor control. |
| 8 | Vcc | power_in | Supply voltage with operating range 4.5-16 V and maximum rating 18 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HTCSEMI |
| Package | SOP-8 |
| Category | Clock/Timing |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
HT555CRZ - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files:
ht555crz-etched.step/ht555crz-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ht555crz.step/ht555crz.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HTCSEMI datasheet (2 pp, sha256
a21343ce777a150b, retrieved 2026-09-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).