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AT24C16C-STUM-T

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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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AT24C16C-STUM-T

Microchip Tech · EEPROM · SOT-23-5

AT24C16C-STUM-T 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 Serial clock input: command and input data on SDA are latched on its rising edge, output data on SDA is clocked out on its falling edge, and it must be forced high when the bus is idle or pulled high with an external pull-up resistor.
2 GND power_in Ground reference for the power supply, which should be connected to the system ground.
3 SDA bidirectional Open-drain bidirectional serial data pin that must be pulled high with an external pull-up resistor not exceeding 10 kΩ and may be wire-ORed with other open-drain or open-collector devices on the bus.
4 VCC power_in Device power supply pin; the device operates from 1.7 V to 5.5 V, and operation at invalid VCC voltages may produce spurious results and should not be attempted.
5 WP input Write-protect input: connecting it to GND allows normal write operations, while connecting it to VCC inhibits writes to the full array; if left floating it is internally pulled down to GND, and Microchip recommends driving it to a known state.

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
Write Cycle Time tWR 5 ms 11
Input Filter Spike Suppression (1.7V column) tI 100 ns Column: VCC = 1.7V 10
Input Filter Spike Suppression (2.5V, 2.7V, 5.0V column) tI 50 ns Column: VCC = 2.5V, 2.7V, 5.0V 10
Clock Frequency, SCL (1.7V column) fSCL 400 kHz Column: VCC = 1.7V 10
Clock Frequency, SCL (2.5V, 2.7V, 5.0V column) fSCL 1000 kHz Column: VCC = 2.5V, 2.7V, 5.0V 10
Inputs Rise Time (1.7V column) tR 300 ns Column: VCC = 1.7V; characterized, not 100% tested 11
Inputs Rise Time (2.5V, 2.7V, 5.0V column) tR 300 ns Column: VCC = 2.5V, 2.7V, 5.0V; characterized, not 100% tested 11
Inputs Fall Time (1.7V column) tF 300 ns Column: VCC = 1.7V; characterized, not 100% tested 11
Inputs Fall Time (2.5V, 2.7V, 5.0V column) tF 100 ns Column: VCC = 2.5V, 2.7V, 5.0V; characterized, not 100% tested 11
Clock Pulse Width Low (1.7V column) tLOW 1200 ns Column: VCC = 1.7V 10
Clock Pulse Width Low (2.5V, 2.7V, 5.0V column) tLOW 500 ns Column: VCC = 2.5V, 2.7V, 5.0V 10
Clock Pulse Width High (1.7V column) tHIGH 600 ns Column: VCC = 1.7V 10
Clock Pulse Width High (2.5V, 2.7V, 5.0V column) tHIGH 400 ns Column: VCC = 2.5V, 2.7V, 5.0V 10
Clock Low to Data Out Valid (1.7V column) tAA 100 900 ns Column: VCC = 1.7V 10
Clock Low to Data Out Valid (2.5V, 2.7V, 5.0V column) tAA 50 450 ns Column: VCC = 2.5V, 2.7V, 5.0V 10
Bus Free Time between Stop and Start (1.7V column) tBUF 1200 ns Column: VCC = 1.7V 10
Bus Free Time between Stop and Start (2.5V, 2.7V, 5.0V column) tBUF 500 ns Column: VCC = 2.5V, 2.7V, 5.0V 10
Start Hold Time (1.7V column) tHD.STA 600 ns Column: VCC = 1.7V 10
Start Hold Time (2.5V, 2.7V, 5.0V column) tHD.STA 250 ns Column: VCC = 2.5V, 2.7V, 5.0V 10
Start Set-Up Time (1.7V column) tSU.STA 600 ns Column: VCC = 1.7V 10
Start Set-Up Time (2.5V, 2.7V, 5.0V column) tSU.STA 250 ns Column: VCC = 2.5V, 2.7V, 5.0V 10
Data In Hold Time (1.7V column) tHD.DAT 0 ns Column: VCC = 1.7V 10
Data In Hold Time (2.5V, 2.7V, 5.0V column) tHD.DAT 0 ns Column: VCC = 2.5V, 2.7V, 5.0V 10
Data In Set-up Time (1.7V column) tSU.DAT 100 ns Column: VCC = 1.7V 10
Data In Set-up Time (2.5V, 2.7V, 5.0V column) tSU.DAT 100 ns Column: VCC = 2.5V, 2.7V, 5.0V 10
Stop Set-Up Time (1.7V column) tSU.STO 600 ns Column: VCC = 1.7V 11
Stop Set-Up Time (2.5V, 2.7V, 5.0V column) tSU.STO 250 ns Column: VCC = 2.5V, 2.7V, 5.0V 11
Data Out Hold Time (1.7V column) tDH 50 ns Column: VCC = 1.7V 11
Data Out Hold Time (2.5V, 2.7V, 5.0V column) tDH 50 ns Column: VCC = 2.5V, 2.7V, 5.0V 11
Standby Current (VCC = 1.7V) ISB 1 μA VCC = 1.7V, VIN = VCC or GND 9
Standby Current (VCC = 5.5V) ISB 6 μA VCC = 5.5V, VIN = VCC or GND 9
Supply Current Read ICC1 0.4 1 mA VCC = 5.0V, Read at 100 kHz 9
Supply Current Write ICC2 2 3 mA VCC = 5.0V, Write at 100 kHz 9
Input Leakage Current ILI 0.1 3 μA VIN = VCC or GND 10
Output Leakage Current ILO 0.05 3 μA VOUT = VCC or GND 10
Input Low Level VIL -0.6 V 10
Output Low Level (VCC = 1.7V) VOL1 0.2 V VCC = 1.7V, IOL = 0.15 mA 10
Output Low Level (VCC = 3.0V) VOL2 0.4 V VCC = 3.0V, IOL = 2.1 mA 10
Power-on Reset Threshold Voltage VPOR 1.5 V 12
Time required after VCC is stable before the device can accept commands tPUP 100 µs 12
Minimum time at VCC = 0V between power cycles tPOFF 500 ms 12
Input/Output Capacitance (SDA) CI/O 8 pF VI/O = 0V 12
Input Capacitance (SCL) CIN 6 pF VIN = 0V 12
Write Endurance 1e+06 Write Cycles TA = 25°C, VCC = 3.3V, Page Write mode 12
Data Retention 100 Years TA = 55°C 12
Operating Temperature (Case), Industrial -40 85 °C 9
VCC Power Supply, Low Voltage Grade VCC 1.7 5.5 V 9
Supply Voltage VCC 1.7 5.5 V 9
Temperature under bias -55 125 °C 9
Storage temperature -65 150 °C 9
VCC VCC 6.25 V 9
Voltage on any pin with respect to ground -1 7 V 9
DC output current 5 mA 9
ESD protection 4 kV Printed as >4 kV 9

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 26

CAD (KiCad official)

  • Symbol: AT24C16C-STUM-T
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: at24c16c-stum-t-etched.step / at24c16c-stum-t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); at24c16c-stum-t.step / at24c16c-stum-t.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (42 pp, sha256 44c521cd158c4ebc, retrieved 2026-10-19, 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