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93AA56AT-I

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Microchip Tech EEPROM, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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93AA56AT-I

Microchip Tech · EEPROM · SOT-23-6

93AA56AT-I from Microchip Tech, in a SOT-23-6. 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 DO output Data Out outputs read data synchronously with CLK (TPD after the positive CLK edge) and also indicates Ready/Busy status during erase/write when CS is brought high after TCSL.
2 VSS power_in Ground reference pin for the device.
3 DI input Data In clocks in the Start bit, opcode, address and data synchronously with the CLK input.
4 CLK input Serial Clock synchronizes communication; opcodes, address and data bits are clocked in on the positive edge of CLK, and CLK is a don't care while CS is low.
5 CS input Chip Select: high selects the device and low deselects it into Standby mode, with CS held low for 250 ns minimum (TCSL) between consecutive instructions.
6 VCC power_in Power supply pin; the 93AA56A is specified for 1.8 V to 5.5 V operation.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package SOT-23-6
Category Memory
Pins 6

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
High-level input voltage (VIH1) VIH1 2 V VCC 2.7V 3
Low-level input voltage (VIL1) VIL1 -0.3 0.8 V VCC 2.7V 3
Low-level input voltage (VIL2) VIL2 -0.3 V VCC < 2.7V 3
Low-level output voltage (VOL1) Vol1 0.4 V IOL = 2.1 mA, VCC = 4.5V 3
Low-level output voltage (VOL2) Vol2 0.2 µA IOL = 100 µA, VCC = 2.5V 3
High-level output voltage (VOH1) VOH1 2.4 V IOH = -400 µA, VCC = 4.5V 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
Pin capacitance (all inputs/outputs) CIN, COUT 7 pF VIN/VOUT = 0V (Note 1); TA = 25°C, FCLK = 1 MHz 3
Standby current (I-temp) ICCS 1 µA I, Temp; CLK = CS = 0V; ORG = DI = VSS or VCC 3
Supply voltage VCC (absolute maximum) VCC 7 V 3
All inputs and outputs w.r.t. VSS (absolute minimum) -0.6 V w.r.t. VSS 3
Storage temperature -65 150 °C 3
Ambient temperature with power applied -40 125 °C 3
Supply voltage VCC (recommended) VCC 1.8 5.5 V Industrial (I) 3
Ambient temperature TA (recommended) TA -40 85 °C Industrial (I) 3
Clock frequency (FCLK) FCLK 2 MHz 2.5V VCC < 5.5V 4
Clock frequency (FCLK) FCLK 1 MHz 1.8V VCC < 2.5V 4
Clock high time (TCKH) TCKH 250 ns 2.5V VCC < 5.5V 4
Clock high time (TCKH) TCKH 450 ns 1.8V VCC < 2.5V 4
Clock low time (TCKL) TCKL 200 ns 2.5V VCC < 5.5V 4
Clock low time (TCKL) TCKL 450 ns 1.8V VCC < 2.5V 4
Chip Select setup time (TCSS) TCSS 50 ns 4.5V VCC < 5.5V 4
Chip Select setup time (TCSS) TCSS 100 ns 2.5V VCC < 4.5V 4
Chip Select setup time (TCSS) TCSS 250 ns 1.8V VCC < 2.5V 4
Chip Select hold time (TCSH) TCSH 0 ns 1.8V VCC < 5.5V 4
Chip Select low time (TCSL) TCSL 250 ns 1.8V VCC < 5.5V 4
Data input setup time (TDIS) TDIS 100 ns 2.5V VCC < 5.5V 4
Data input setup time (TDIS) TDIS 250 ns 1.8V VCC < 2.5V 4
Data input hold time (TDIH) TDIH 100 ns 2.5V VCC < 5.5V 4
Data input hold time (TDIH) TDIH 250 ns 1.8V VCC < 2.5V 4
Data output delay time (TPD) TPD 200 ns 4.5V VCC < 5.5V, CL = 100 pF 4
Data output delay time (TPD) TPD 250 ns 2.5V VCC < 4.5V, CL = 100 pF 4
Data output delay time (TPD) TPD 400 ns 1.8V VCC < 2.5V, CL = 100 pF 4
Data output disable time (TCZ) TCZ 100 ns 4.5V VCC < 5.5V, (Note 1) 4
Data output disable time (TCZ) TCZ 200 ns 1.8V VCC < 4.5V, (Note 1) 4
Status valid time (TSV) TSV 200 ns 4.5V VCC < 5.5V, CL = 100 pF 4
Status valid time (TSV) TSV 300 ns 2.5V VCC < 4.5V, CL = 100 pF 4
Status valid time (TSV) TSV 500 ns 1.8V VCC < 2.5V, CL = 100 pF 4
Program cycle time (TWC) TWC 6 ms Erase/Write mode (AA and LC versions) 4
ERAL mode time (TEC) TEC 6 ms ERAL mode, 4.5V VCC 5.5V 4
WRAL mode time (TWL) TWL 15 ms WRAL mode, 4.5V VCC 5.5V 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 SOT-23, 8-lead 2x3 DFN/TDFN and 8-lead TSSOP. All packages are Pb-free (Matte Tin) finish. 1

CAD (KiCad official)

  • Symbol: 93AA56AT-I
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: 93aa56at-i-etched.step / 93aa56at-i-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 93aa56at-i.step / 93aa56at-i.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (36 pp, sha256 f9a7698e3531a357, retrieved 2026-10-18, 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