24C02N

@@ -0,0 +1,53 @@+# 24C02N++**XBLW 24C02N XBLW** · EEPROM · DIP-8++24C02N from XBLW 24C02N XBLW, in a DIP-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 | A0 | input | Device/chip-select address input bit 0. Hardwired to VIH or VIL to set the low bit of the 3-bit slave address (device address bits 5-7 of the I2C address byte). Recommended pull-up/pull-down resistor 10 kohm or less; internally interpreted as VIL if left floating but external tie is strongly recommended. |+| 2 | A1 | input | Device/chip-select address input bit 1. Hardwired to VIH or VIL to set the middle bit of the 3-bit slave address. Recommended pull-up/pull-down resistor 10 kohm or less. |+| 3 | A2 | input | Device/chip-select address input bit 2. Hardwired to VIH or VIL to set the high bit of the 3-bit slave address. Together A2/A1/A0 allow up to eight 24C02 devices to share one I2C bus. |+| 4 | GND | power_in | Ground reference (0 V) for the device. |+| 5 | SDA | bidirectional | Serial data line for the two-wire (I2C-compatible) bus. Bidirectional, open-drain output; requires an external pull-up resistor to VCC. Data may only change when SCL is low; SDA transitions while SCL is high are interpreted as START or STOP conditions. |+| 6 | SCL | input | Serial clock input for the two-wire bus. Rising edge latches data into the EEPROM; falling edge clocks data out. Supports 1 MHz at 2.5-5V and 400 kHz at 1.8V. Requires an external pull-up on the bus. |+| 7 | WP | input | Write-protect input. Tied to VIL (or left floating - internally read as VIL, but tie is recommended) allows all programming operations; tied to VIH or VCC disables all write operations while still allowing reads. Recommended pull-up/pull-down resistor 10 kohm or less. |+| 8 | VCC | power_in | Positive supply. Operating range 1.8 V to 5.5 V (industrial temperature -40 to +85 C). Absolute maximum 8 V; any input must stay within -0.3 V to VCC + 0.3 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | XBLW 24C02N XBLW |+| Package | DIP-8 |+| Category | Memory |+| Pins | 8 |++## Ordering variants++- `24C02NN`+- `24C02NBN`+- `24C02NMN`+- `24C02NTN`+- `24C02NDN`+- `24C02ND6`+- `24C02NS`++## CAD (KiCad official)++- Symbol: `24C02N`+- Footprint: `Package_DIP:DIP-8_W7.62mm`+- 3D model: DIP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [XBLW 24C02N XBLW datasheet](docs/24c02n-datasheet.pdf) (21 pp, sha256 `c749bcc03016eed9`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/24c02n-datasheet.pdf)

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