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11LC040T-E
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Microchip Tech EEPROM, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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11LC040T-E
Microchip Tech · EEPROM · SOT-23-3
11LC040T-E from Microchip Tech, in a SOT-23-3. 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 | SCIO | bidirectional | Serial Clock, Data Input/Output: bidirectional pin used to transfer commands, addresses and data into and out of the device, with the clock embedded in the data stream via Manchester encoding. |
| 2 | VCC | power_in | Supply voltage pin; 11LC040 operates from 2.5-5.5V. |
| 3 | VSS | power_in | Ground. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | SOT-23-3 |
| Category | Memory |
| Pins | 3 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| SCIO voltage w.r.t. VSS (absolute max) | -0.6 | V | max is VCC+1.0V | 3 | |||
| Storage temperature | -65 | 150 | °C | 3 | |||
| Ambient temperature under bias | -40 | 125 | °C | 3 | |||
| ESD protection on all pins | 4 | kV | 3 | ||||
| Supply voltage (Automotive E) | VCC | 2.5 | 5.5 | V | Automotive (E) | 3 | |
| Operating temperature (Automotive E) | TA | -40 | 125 | °C | Automotive (E) | 3 | |
| Low-level input voltage | VIL | -0.3 | V | VCC ≥ 2.5V; max is 0.3*VCC | 3 | ||
| Low-level output voltage | VOL | 0.4 | V | IOL = 300 µA, VCC = 5.5V | 3 | ||
| Output current limit | IO | -4 | 4 | mA | VCC = 5.5V (Note 1) | 3 | |
| Output current limit | IO | -3 | 3 | mA | VCC = 2.5V (Note 1) | 3 | |
| Input leakage current (SCIO) | ILI | -1 | 1 | µA | VIN = VSS or VCC | 3 | |
| Internal capacitance (all inputs and outputs) | CINT | 7 | pF | TA = 25°C, FCLK = 1 MHz, VCC = 5.0V (Note 1) | 3 | ||
| Read operating current | ICC Read | 3 | mA | VCC=5.5V; FBUS=100 kHz, CB=100 pF | 3 | ||
| Read operating current | ICC Read | 1 | mA | VCC=2.5V; FBUS=100 kHz, CB=100 pF | 3 | ||
| Write operating current | ICC Write | 5 | mA | VCC = 5.5V | 3 | ||
| Write operating current | ICC Write | 3 | mA | VCC = 2.5V | 3 | ||
| Standby current | ICCS | 5 | µA | VCC = 5.5V, TA = 125°C | 3 | ||
| Standby current | ICCS | 1 | µA | VCC = 5.5V, TA = 85°C | 3 | ||
| Idle mode current | ICCI | 50 | µA | VCC = 5.5V | 3 | ||
| Serial bus frequency | FBUS | 10 | 100 | kHz | 4 | ||
| Bit period | TE | 10 | 100 | µs | 4 | ||
| Input edge jitter tolerance | TIJIT | -0.06 | 0.06 | UI | (Note 3) | 4 | |
| Serial bus frequency drift rate tolerance | FDRIFT | -0.5 | 0.5 | % per byte | 4 | ||
| Serial bus frequency drift limit | FDEV | -5 | 5 | % per command | 4 | ||
| Output edge jitter | TOJIT | -0.25 | 0.25 | UI | (Note 3) | 4 | |
| SCIO input rise time | TR | 100 | ns | (Note 1) | 4 | ||
| SCIO input fall time | TF | 100 | ns | (Note 1) | 4 | ||
| Standby pulse time | TSTBY | 600 | µs | 4 | |||
| Start header setup time | TSS | 10 | µs | 4 | |||
| Start header low pulse time | THDR | 5 | µs | 4 | |||
| Input filter spike suppression (SCIO) | TSP | 50 | ns | (Note 1) | 4 | ||
| Write cycle time (byte or page) | TWC | 5 | ms | Write, WRSR commands | 4 | ||
| Write cycle time | TWC | 10 | ms | ERAL, SETAL commands | 4 |
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 | Package: P = 8-lead Plastic DIP (300 mil body) SN = 8-lead Plastic SOIC (3.90 mm body) | 45 |
CAD (KiCad official)
- Symbol:
11LC040T-E - Footprint:
Package_TO_SOT_SMD:SOT-23-3 - 3D model: SOT-23-3 (KiCad packages3D, STEP)
- 3D model files:
11lc040t-e-etched.step/11lc040t-e-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);11lc040t-e.step/11lc040t-e.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip Tech datasheet (48 pp, sha256
705b144baefc8615, retrieved 2026-10-27, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-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).
# 11LC040T-E
**Microchip Tech** · EEPROM · SOT-23-3
11LC040T-E from Microchip Tech, in a SOT-23-3. 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 | SCIO | bidirectional | Serial Clock, Data Input/Output: bidirectional pin used to transfer commands, addresses and data into and out of the device, with the clock embedded in the data stream via Manchester encoding. |
| 2 | VCC | power_in | Supply voltage pin; 11LC040 operates from 2.5-5.5V. |
| 3 | VSS | power_in | Ground. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | SOT-23-3 |
| Category | Memory |
| Pins | 3 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| SCIO voltage w.r.t. VSS (absolute max) | | -0.6 | | | V | max is VCC+1.0V | 3 |
| Storage temperature | | -65 | | 150 | °C | | 3 |
| Ambient temperature under bias | | -40 | | 125 | °C | | 3 |
| ESD protection on all pins | | | | 4 | kV | | 3 |
| Supply voltage (Automotive E) | VCC | 2.5 | | 5.5 | V | Automotive (E) | 3 |
| Operating temperature (Automotive E) | TA | -40 | | 125 | °C | Automotive (E) | 3 |
| Low-level input voltage | VIL | -0.3 | | | V | VCC ≥ 2.5V; max is 0.3*VCC | 3 |
| Low-level output voltage | VOL | | | 0.4 | V | IOL = 300 µA, VCC = 5.5V | 3 |
| Output current limit | IO | -4 | | 4 | mA | VCC = 5.5V (Note 1) | 3 |
| Output current limit | IO | -3 | | 3 | mA | VCC = 2.5V (Note 1) | 3 |
| Input leakage current (SCIO) | ILI | -1 | | 1 | µA | VIN = VSS or VCC | 3 |
| Internal capacitance (all inputs and outputs) | CINT | | | 7 | pF | TA = 25°C, FCLK = 1 MHz, VCC = 5.0V (Note 1) | 3 |
| Read operating current | ICC Read | | | 3 | mA | VCC=5.5V; FBUS=100 kHz, CB=100 pF | 3 |
| Read operating current | ICC Read | | | 1 | mA | VCC=2.5V; FBUS=100 kHz, CB=100 pF | 3 |
| Write operating current | ICC Write | | | 5 | mA | VCC = 5.5V | 3 |
| Write operating current | ICC Write | | | 3 | mA | VCC = 2.5V | 3 |
| Standby current | ICCS | | | 5 | µA | VCC = 5.5V, TA = 125°C | 3 |
| Standby current | ICCS | | | 1 | µA | VCC = 5.5V, TA = 85°C | 3 |
| Idle mode current | ICCI | | | 50 | µA | VCC = 5.5V | 3 |
| Serial bus frequency | FBUS | 10 | | 100 | kHz | | 4 |
| Bit period | TE | 10 | | 100 | µs | | 4 |
| Input edge jitter tolerance | TIJIT | -0.06 | | 0.06 | UI | (Note 3) | 4 |
| Serial bus frequency drift rate tolerance | FDRIFT | -0.5 | | 0.5 | % per byte | | 4 |
| Serial bus frequency drift limit | FDEV | -5 | | 5 | % per command | | 4 |
| Output edge jitter | TOJIT | -0.25 | | 0.25 | UI | (Note 3) | 4 |
| SCIO input rise time | TR | | | 100 | ns | (Note 1) | 4 |
| SCIO input fall time | TF | | | 100 | ns | (Note 1) | 4 |
| Standby pulse time | TSTBY | 600 | | | µs | | 4 |
| Start header setup time | TSS | 10 | | | µs | | 4 |
| Start header low pulse time | THDR | 5 | | | µs | | 4 |
| Input filter spike suppression (SCIO) | TSP | | | 50 | ns | (Note 1) | 4 |
| Write cycle time (byte or page) | TWC | | | 5 | ms | Write, WRSR commands | 4 |
| Write cycle time | TWC | | | 10 | ms | ERAL, SETAL commands | 4 |
## 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 | Package: P = 8-lead Plastic DIP (300 mil body) SN = 8-lead Plastic SOIC (3.90 mm body) | 45 |
## CAD (KiCad official)
- Symbol: `11LC040T-E`
- Footprint: `Package_TO_SOT_SMD:SOT-23-3`
- 3D model: SOT-23-3 (KiCad packages3D, STEP)
- 3D model files: `11lc040t-e-etched.step` / `11lc040t-e-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `11lc040t-e.step` / `11lc040t-e.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Microchip Tech datasheet](docs/11lc040t-e-datasheet.pdf) (48 pp, sha256 `705b144baefc8615`, retrieved 2026-10-27, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/11lc040t-e-datasheet.pdf)