AT24C04D-PUM

Microchip Tech · Pre-ordered MCUs · PDIP-8

AT24C04D-PUM from Microchip Tech, in a PDIP-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	NC	unconnected	No Connect pin, listed as not connected in Table 2-1 for the 8-Lead PDIP package.
2	A1	input	Device address input hard-wired to GND or VCC; if left floating it is internally pulled down to GND, and Microchip recommends connecting it to a known state with a pull-up of 10 kΩ or less.
3	A2	input	Device address input hard-wired to GND or VCC; if left floating it is internally pulled down to GND, and Microchip recommends connecting it to a known state with a pull-up of 10 kΩ or less.
4	GND	power_in	Ground reference for the power supply, which should be connected to the system ground.
5	SDA	bidirectional	Open-drain serial data pin that must be pulled high with an external pull-up resistor not exceeding 10 kΩ.
6	SCL	input	Serial clock input; SDA input data is latched on its rising edge and must be forced high when the bus is idle or pulled high with an external resistor.
7	WP	input	Write-protect input; connecting it to GND allows normal writes, while connecting it to VCC inhibits writes to the full array.
8	VCC	power_in	Device power supply pin; the device operates from 1.7V to 3.6V and invalid VCC voltages may produce spurious results.

Key specifications

Parameter	Value
Manufacturer	Microchip Tech
Package	PDIP-8
Category	Embedded Processors & Controllers
Pins	8

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part	Material	Colour / plating	Datasheet says	Page
contacts		tin	8-Lead Plastic Small Outline (SN) - Narrow, 3.90 mm (.150 In.) Body [SOIC] A A2	29

CAD (KiCad official)

Symbol: AT24C04D-PUM
Footprint: Package_DIP:DIP-8_W7.62mm
3D model: PDIP-8 (KiCad packages3D, STEP)
3D model files: at24c04d-pum-etched.step / at24c04d-pum-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); at24c04d-pum.step / at24c04d-pum.glb are the bare package body.

Provenance

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

Datasheet: Microchip Tech datasheet (46 pp, sha256 9b294c27b8f0a692, retrieved 2026-10-28, tier: manufacturer)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-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

# AT24C04D-PUM

**Microchip Tech** · Pre-ordered MCUs · PDIP-8

AT24C04D-PUM from Microchip Tech, in a PDIP-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 | NC | unconnected | No Connect pin, listed as not connected in Table 2-1 for the 8-Lead PDIP package. |
| 2 | A1 | input | Device address input hard-wired to GND or VCC; if left floating it is internally pulled down to GND, and Microchip recommends connecting it to a known state with a pull-up of 10 kΩ or less. |
| 3 | A2 | input | Device address input hard-wired to GND or VCC; if left floating it is internally pulled down to GND, and Microchip recommends connecting it to a known state with a pull-up of 10 kΩ or less. |
| 4 | GND | power_in | Ground reference for the power supply, which should be connected to the system ground. |
| 5 | SDA | bidirectional | Open-drain serial data pin that must be pulled high with an external pull-up resistor not exceeding 10 kΩ. |
| 6 | SCL | input | Serial clock input; SDA input data is latched on its rising edge and must be forced high when the bus is idle or pulled high with an external resistor. |
| 7 | WP | input | Write-protect input; connecting it to GND allows normal writes, while connecting it to VCC inhibits writes to the full array. |
| 8 | VCC | power_in | Device power supply pin; the device operates from 1.7V to 3.6V and invalid VCC voltages may produce spurious results. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | PDIP-8 |
| Category | Embedded Processors & Controllers |
| Pins | 8 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts |  | tin | 8-Lead Plastic Small Outline (SN) - Narrow, 3.90 mm (.150 In.) Body [SOIC] A A2 | 29 |

## CAD (KiCad official)

- Symbol: `AT24C04D-PUM`
- Footprint: `Package_DIP:DIP-8_W7.62mm`
- 3D model: PDIP-8 (KiCad packages3D, STEP)
- 3D model files: `at24c04d-pum-etched.step` / `at24c04d-pum-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `at24c04d-pum.step` / `at24c04d-pum.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Microchip Tech datasheet](docs/at24c04d-pum-datasheet.pdf) (46 pp, sha256 `9b294c27b8f0a692`, retrieved 2026-10-28, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-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/at24c04d-pum-datasheet.pdf)