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24LC08BT-E

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Microchip Tech EEPROM, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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24LC08BT-E

Microchip Tech · EEPROM · SOT-23-5

24LC08BT-E from Microchip Tech, in a SOT-23-5. 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 SCL input The serial clock input synchronizes data transfer to and from the device.
2 VSS power_in Ground reference for the device; the WP pin must be tied to VSS to enable normal read/write operation of the full memory.
3 SDA bidirectional Open-drain serial address/data I/O that requires a pull-up resistor to VCC (typically 10 kΩ for 100 kHz and 2 kΩ for 400 kHz and 1 MHz), and may change only while SCL is low except for Start and Stop conditions.
4 VCC power_in Power supply input; the 24LC08B operates from 2.5V to 5.5V.
5 WP input Write-protect input that must be tied to either VSS (writes enabled) or VCC (write operations inhibited, reads unaffected).

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package SOT-23-5
Category Memory
Pins 5

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Low-Level Output Voltage VOL 0.4 V IOL = 3.0 mA, VCC = 2.5V 3
Input Leakage Current ILI -1 1 μA VIN = VSS or VCC 3
Output Leakage Current ILO -1 1 μA VOUT = VSS or VCC 3
High-Level Input Voltage VIH 0.7 VCC 3
Low-Level Input Voltage VIL 0.3 VCC 3
Hysteresis of Schmitt Trigger Inputs (SDA, SCL pins) VHYS 0.05 VCC Note 3
Pin Capacitance (all inputs/outputs) CIN, COUT 10 pF VCC = 5.0V (Note); TA = 25°C, FCLK = 1 MHz 3
Operating Current (write) ICCWRITE 3 mA VCC = 5.5V, SCL = 400 kHz 3
Operating Current (read) ICCREAD 1 mA VCC = 5.5V, SCL = 400 kHz 3
Standby Current (E-Temp, 24LC08B) ICCS 5 μA SDA = SCL = VCC, WP = VSS, E-Temp. (24LC08B) 3
Clock Frequency FCLK 400 kHz 2.5V ≤ VCC ≤ 5.5V 4
Clock High Time THIGH 600 ns 2.5V ≤ VCC ≤ 5.5V 4
Clock Low Time TLOW 1300 ns 2.5V ≤ VCC ≤ 5.5V 4
SDA and SCL Rise Time TR 300 ns 2.5V ≤ VCC ≤ 5.5V (Note 1) 4
SDA and SCL Fall Time TF 300 ns Note 1 4
Start Condition Hold Time THD:STA 600 ns 2.5V ≤ VCC ≤ 5.5V 4
Start Condition Setup Time TSU:STA 600 ns 2.5V ≤ VCC ≤ 5.5V 4
Data Input Hold Time THD:DAT 0 ns Note 2 4
Data Input Setup Time TSU:DAT 100 ns 2.5V ≤ VCC ≤ 5.5V 4
Stop Condition Setup Time TSU:STO 600 ns 2.5V ≤ VCC ≤ 5.5V 4
Output Valid from Clock TAA 900 ns 2.5V ≤ VCC ≤ 5.5V (Note 2) 4
Bus Free Time TBUF 1300 ns 2.5V ≤ VCC ≤ 5.5V 4
Output Fall Time from VIH Minimum to VIL Maximum TOF 250 ns 2.5V ≤ VCC ≤ 5.5V (Notes 1, 3 and 4) 5
Input Filter Spike Suppression (SDA and SCL pins) TSP 50 ns Note 1 5
Write Cycle Time (byte or page) TWC 5 ms 5
Endurance 1e+06 cycles 25°C, 5.5V, Page Mode (Note 4) 5
All inputs and outputs w.r.t. VSS (max VCC + 1.0V) -0.3 V Maximum is VCC + 1.0V 3
Storage temperature -65 150 °C 3
Ambient temperature with power applied -40 125 °C 3
ESD protection on all pins 4 kV 3
Supply voltage VCC (operating, 24LC08B) VCC 2.5 5.5 V Extended (E) and Industrial (I) ranges, 24LC08B 3
Ambient temperature (Extended, E) TA -40 125 °C Extended (E): VCC = +2.5V to +5.5V (24LC08B) 3

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 25

CAD (KiCad official)

  • Symbol: 24LC08BT-E
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: 24lc08bt-e-etched.step / 24lc08bt-e-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 24lc08bt-e.step / 24lc08bt-e.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (46 pp, sha256 1904f2182f001dbd, retrieved 2026-10-17, tier: lcsc)
  • 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