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Initial commit: component/at24c02b-th-t-tudi

Ray ·01d30ab485 ·4d ago
2 files changed +106
README.mdadded+79
@@ -0,0 +1,79 @@+# AT24C02B-TH-T-TUDI++**Tudi** · EEPROM · TSSOP-8++AT24C02B-TH-T-TUDI from Tudi, in a TSSOP-8. 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 | A0 | input | Address input A0, hard-wired device address bit; eight 2K devices may share one bus, and the pin is biased to logic low if left floating. |+| 2 | A1 | input | Address input A1, hard-wired device address bit; biased to logic low by an internal circuit if left floating. |+| 3 | A2 | input | Address input A2, hard-wired device address bit; biased to logic low by an internal circuit if left floating. |+| 4 | GND | power_in | Ground. |+| 5 | SDA | bidirectional | Serial data I/O, bi-directional and open-drain, may be wire-ORed with other open-drain or open-collector devices and needs an external pull-up. |+| 6 | SCL | input | Serial clock input, positive edge clocks data into the EEPROM and negative edge clocks data out. |+| 7 | WP | input | Write protect input; connected to GND allows normal read/write operations, connected to VCC write-protects the full array. |+| 8 | VCC | power_in | Power supply, 1.7V to 5.5V at 400kHz and 2.5V to 5.5V at 1MHz. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Tudi |+| Package | TSSOP-8 |+| Category | Memory |+| Pins | 8 |++## Electrical characteristics++Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).++| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |+|---|---|---|---|---|---|---|---|+| Input Low Level | VIL | -0.3 |  |  | V | VCC=1.7V to 5.5V | 10 |+| Input/Output Capacitance(SDA) | CI/O |  |  | 8 | pF | VIO=0V | 10 |+| Input Capacitance(A0,A1,A2,SCL) | CIN |  |  | 6 | pF | VIN=0V | 10 |+| Supply Current READ | IR |  | 0.14 | 0.3 | mA | VCC=5.0V, READ @400kHz | 10 |+| Supply Current WRITE | IW |  | 0.28 | 0.5 | mA | VCC=5.0V, WRITE @400kHz | 10 |+| Supply Current standby | ISB |  | 0.03 | 0.5 | μA | VCC=5.0V, VIN=VCC or VSS | 10 |+| Input Leakage Current | ILI |  | 0.1 | 1 | μA | VIN=VCC or VSS | 10 |+| Output Leakage Current | ILO |  | 0.05 | 1 | μA | VOUT=VCC or VSS | 10 |+| Output Low Level | VOL1 |  |  | 0.2 | V | VCC=1.7V, IOL=0.15mA | 10 |+| Output Low Level | VOL2 |  |  | 0.4 | V | VCC=5.0V, IOL=3.0mA | 10 |+| DC Supply Voltage |  | -0.3 |  | 6.5 | V |  | 10 |+| Storage Temperature |  | -65 |  | 150 | ℃ |  | 10 |+| Supply Voltage | VCC1 | 1.7 |  | 5.5 | V | @400kHz | 10 |+| Supply Voltage | VCC2 | 2.5 |  | 5.5 | V | @1MHz | 10 |+| Ambient Operating Temperature | TA | -40 |  | 85 | ℃ | Range printed in DC/AC table headers | 10 |+| Clock Frequency, SCL | fSCL |  |  | 1000 | kHz |  | 11 |+| Clock Pulse Width Low | tLOW | 0.5 |  |  | μs |  | 11 |+| Clock Pulse Width High | tHIGH | 0.26 |  |  | μs |  | 11 |+| Noise Suppression Time | tI |  |  | 50 | ns |  | 11 |+| Clock Low to Data Out Valid | tAA |  |  | 0.45 | μs |  | 11 |+| Time the bus must be free before a new transmission can start | tBUF | 0.5 |  |  | μs |  | 11 |+| Start Hold Time | tHD:STA | 0.26 |  |  | μs |  | 11 |+| Start Setup Time | tSU:STA | 0.26 |  |  | μs |  | 11 |+| Data In Hold Time | tHD:DAT | 0 |  |  | μs |  | 11 |+| Data In Setup Time | tSU:DAT | 50 |  |  | ns |  | 11 |+| Stop Setup Time | tSU:STO | 0.26 |  |  | μs |  | 11 |+| Data Out Hold Time | tDH | 50 |  |  | ns |  | 11 |+| Write Cycle Time | tWR |  |  | 3 | ms |  | 11 |++## CAD (KiCad official)++- Symbol: `AT24C02B-TH-T-TUDI`+- Footprint: `Package_SO:TSSOP-8_3x3mm_P0.65mm`+- 3D model: TSSOP-8 (KiCad packages3D, STEP)+- 3D model files: `at24c02b-th-t-tudi-etched.step` / `at24c02b-th-t-tudi-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `at24c02b-th-t-tudi.step` / `at24c02b-th-t-tudi.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Tudi datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603351105216520192) (18 pp, sha256 `ad7501132ec29638`, retrieved 2026-10-18, 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/at24c02b-th-t-tudi-datasheet.pdf)
page.jsonadded+27
@@ -0,0 +1,27 @@+{+  "schema_version": 1,+  "type": "component",+  "slug": "at24c02b-th-t-tudi",+  "title": "at24c02b-th-t-tudi",+  "brief": "Tudi EEPROM, TSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "version": "0.1.0",+  "author": {+    "handle": "ray",+    "name": "Ray"+  },+  "visibility": {+    "public": true+  },+  "component": {+    "mpn": "AT24C02B-TH-T-TUDI",+    "manufacturer": "Tudi",+    "package": "TSSOP-8",+    "pin_count": 8,+    "category": "Memory",+    "subcategory": "Flash/EEPROM",+    "parts": {},+    "distributor_links": {+      "lcsc": "C22469224"+    }+  }+}\ No newline at end of file