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AT34C04-SS5M-B

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Microchip Tech EEPROM, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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AT34C04-SS5M-B

Microchip Tech · EEPROM · SOIC-8

AT34C04-SS5M-B from Microchip Tech, in a SOIC-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 A0 input Device address input hard-wired to GND or VCC (internally pulled down to GND if floating); also overvoltage tolerant up to 10V to support the Reversible Software Write Protection feature.
2 A1 input Device address input hard-wired to GND or VCC, internally pulled down to GND if left floating, allowing up to eight devices on one bus.
3 A2 input Device address input hard-wired to GND or VCC, internally pulled down to GND if left floating, allowing up to eight devices on one bus.
4 GND power_in Ground reference for the power supply, to be connected to system ground.
5 SDA bidirectional Open-drain serial data input/output that must be pulled high with an external pull-up resistor not exceeding 10 kΩ and may be wire-ORed with other open-drain devices.
6 SCL input Serial clock input that controls data flow, latching input data on the rising edge and clocking output data on the falling edge, and must be forced high or pulled high when the bus is idle.
7 NC unconnected No connect.
8 VCC power_in Device power supply pin, operating range 1.7V to 3.6V; operation at invalid VCC voltages may produce spurious results.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package SOIC-8
Category Memory
Pins 8

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Temperature under bias -40 125 °C 8
Storage temperature -65 150 °C 8
Voltage on any pin with respect to ground -0.5 4.3 V 8
ESD protection 4 kV >4 kV 8
Operating Temperature (Case) -20 125 °C Industrial Temperature Range 8
Supply Voltage VCC 1.7 3.6 V Low-Voltage Grade 8
Supply Current (Read) ICC1 0.4 1 mA VCC = 3.6V, Read at 100 kHz 8
Supply Current (Write) ICC2 1.5 3 mA VCC = 3.6V, Write at 100 kHz 8
Standby Current ISB 1.6 3 μA VCC = 1.7V, VIN = VCC or VSS 8
Standby Current ISB 1.6 4 μA VCC = 3.6V, VIN = VCC or VSS 8
Input Leakage Current ILI 0.1 2 μA VIN = VCC or VSS 8
Output Leakage Current ILO 0.1 2 μA VOUT = VCC or VSS 8
Input Low Level VIL -0.5 V Note 2 (max is VCC x 0.3) 8
Output Low Level Voltage Open-Drain VOL1 0.4 V VCC > 2.0V, IOL = 3 mA 8
Output Low-Level Current IOL 3 mA VOL = 0.4 V, Frequency ≤ 400 kHz 9
Output Low-Level Current IOL 6 mA VOL = 0.6 V, Frequency ≤ 400 kHz 9
Output Low-Level Current IOL 20 mA VOL = 0.4 V, Frequency > 400 kHz 9
A0 Pin High Voltage VHV 7 10 V VHV - VCC ≥ 4.8V 9
Power-on Reset Time tPOR 10 ms 10
Power-on Reset Threshold Voltage VPOR 1 1.6 V 10
Time for Power-on to First Command tINIT 10 ms 11
Warm Power Cycle Off Time tPOFF 1 ms 11
Input/Output Capacitance (SDA) CI/O 8 pF VI/O = 0V 11
Input Capacitance (A0, A1, A2 and SCL) CIN 6 pF VIN = 0V 11
Write Endurance 1e+06 Write Cycles TA = 25°C, Page Write mode 11
Data Retention 100 Years TA = 55°C 11
Clock Frequency, SCL fSCL 10 100 kHz 100 kHz 9
Clock Frequency, SCL fSCL 10 400 kHz 400 kHz 9
Clock Frequency, SCL fSCL 10 1000 kHz 1 MHz 9
Clock Pulse Width Low tLOW 4700 ns 100 kHz 9
Clock Pulse Width Low tLOW 1300 ns 400 kHz 9
Clock Pulse Width Low tLOW 500 ns 1 MHz 9
Clock Pulse Width High tHIGH 4000 ns 100 kHz 9
Clock Pulse Width High tHIGH 600 ns 400 kHz 9
Clock Pulse Width High tHIGH 250 ns 1 MHz 9
Noise Suppression Time tI 50 ns all speeds 9
Bus Free Time between Stop and Start tBUF 4700 ns 100 kHz 9
Bus Free Time between Stop and Start tBUF 1300 ns 400 kHz 9
Bus Free Time between Stop and Start tBUF 500 ns 1 MHz 9
Start Hold Time tHD.STA 4000 ns 100 kHz 9
Start Hold Time tHD.STA 600 ns 400 kHz 9
Start Hold Time tHD.STA 260 ns 1 MHz 9
Start Set-Up Time tSU.STA 4700 ns 100 kHz 9
Start Set-Up Time tSU.STA 600 ns 400 kHz 9
Start Set-Up Time tSU.STA 260 ns 1 MHz 9
Data In Hold Time tHD.DAT 0 ns 1 MHz 9
Data In Set-up Time tSU.DAT 250 ns 100 kHz 9
Data In Set-up Time tSU.DAT 100 ns 400 kHz 9
Data In Set-up Time tSU.DAT 50 ns 1 MHz 9
Stop Set-Up Time tSU.STO 4000 ns 100 kHz 9
Stop Set-Up Time tSU.STO 600 ns 400 kHz 9
Stop Set-Up Time tSU.STO 260 ns 1 MHz 9
Data Out Hold Time tDH.DAT 200 3450 ns 100 kHz 9
Data Out Hold Time tDH.DAT 200 900 ns 400 kHz 9
Data Out Hold Time tDH.DAT 0 350 ns 1 MHz 9
Write Cycle Time tWR 5 ms all speeds 9
Timeout Time tOUT 25 35 ms all speeds 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] © 2020 Microchip Technology Inc. 26

CAD (KiCad official)

  • Symbol: AT34C04-SS5M-B
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: at34c04-ss5m-b-etched.step / at34c04-ss5m-b-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); at34c04-ss5m-b.step / at34c04-ss5m-b.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (39 pp, sha256 e93ab6a3344caeb0, 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