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24AA025T-I

Microchip Tech · EEPROM · SOT-23-6

24AA025T-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	SCL	input	Serial Clock input synchronizes data transfer to and from the device, and the 24AA025 is rated for 400 kHz maximum clock (100 kHz for VCC < 2.5V).
2	VSS	power_in	Ground reference pin for the device.
3	SDA	bidirectional	Open-drain serial address/data I/O that requires a pull-up resistor to VCC (typical 10 k for 100 kHz and 2 k for 400 kHz), and SDA may change only while SCL is low except for Start and Stop conditions.
4	A1	input	Chip address input compared with the corresponding client address bit, which must be connected to either VCC or VSS.
5	A0	input	Chip address input compared with the corresponding client address bit, which must be connected to either VCC or VSS.
6	VCC	power_in	Power supply, rated 1.7V-5.5V for the 24AA025; the internal erase/write logic is disabled if VCC is below 1.5V at nominal conditions.

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	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
Pin Capacitance (all inputs/outputs)	CIN, COUT		10	pF	VCC = 5.5V; 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		3
Standby Current (I-Temp)	ICCS		1	µA	SDA = SCL = VCC; A0, A1, A2, WP = VSS, I-Temp	3
All inputs and outputs w.r.t. VSS (lower limit)		-0.3		V	w.r.t. VSS; upper limit printed as VCC + 1.0V	3
Storage temperature		-65	150	°C		3
Ambient temperature with power applied		-40	125	°C		3
Supply voltage VCC (Industrial range)	VCC	1.7	5.5	V	Industrial (I) grade	3
Ambient temperature (Industrial range)	TA	-40	85	°C	Industrial (I) grade	3
Clock Frequency	FCLK		100	kHz	1.7V ≤ VCC < 1.8V	4
Clock Frequency	FCLK		400	kHz	1.8V ≤ VCC ≤ 5.5V	4
Clock High Time	THIGH	4000		ns	1.7V ≤ VCC < 1.8V	4
Clock High Time	THIGH	600		ns	1.8V ≤ VCC ≤ 5.5V	4
Clock Low Time	TLOW	4700		ns	1.7V ≤ VCC < 1.8V	4
Clock Low Time	TLOW	1300		ns	1.8V ≤ VCC ≤ 5.5V	4
SDA and SCL Rise Time	TR		1000	ns	1.7V ≤ VCC < 1.8V (Note 1)	4
SDA and SCL Rise Time	TR		300	ns	1.8V ≤ VCC ≤ 5.5V (Note 1)	4
SDA and SCL Fall Time	TF		1000	ns	1.7V ≤ VCC < 1.8V (Note 1)	4
SDA and SCL Fall Time	TF		300	ns	1.8V ≤ VCC ≤ 5.5V (Note 1)	4
Start Condition Hold Time	THD:STA	4000		ns	1.7V ≤ VCC < 1.8V	4
Start Condition Hold Time	THD:STA	600		ns	1.8V ≤ VCC ≤ 5.5V	4
Start Condition Setup Time	TSU:STA	4700		ns	1.7V ≤ VCC < 1.8V	4
Start Condition Setup Time	TSU:STA	600		ns	1.8V ≤ VCC ≤ 5.5V	4
Data Input Hold Time	THD:DAT	0		ns	(Note 2)	4
Data Input Setup Time	TSU:DAT	250		ns	1.7V ≤ VCC < 1.8V	4
Data Input Setup Time	TSU:DAT	100		ns	1.8V ≤ VCC ≤ 5.5V	4
Stop Condition Setup Time	TSU:STO	4000		ns	1.7V ≤ VCC < 1.8V	4
Stop Condition Setup Time	TSU:STO	600		ns	1.8V ≤ VCC ≤ 5.5V	4
WP Setup Time	TSU:WP	4000		ns	1.7V ≤ VCC < 1.8V	4
WP Setup Time	TSU:WP	600		ns	1.8V ≤ VCC ≤ 5.5V	4
WP Hold Time	THD:WP	4700		ns	1.7V ≤ VCC < 1.8V	4
WP Hold Time	THD:WP	600		ns	1.8V ≤ VCC ≤ 5.5V	4
Output Valid from Clock	TAA		3500	ns	1.7V ≤ VCC < 1.8V (Note 2)	4
Output Valid from Clock	TAA		900	ns	1.8V ≤ VCC ≤ 5.5V (Note 2)	4
Bus Free Time	TBUF	4700		ns	1.7V ≤ VCC < 1.8V	4
Bus Free Time	TBUF	1300		ns	1.8V ≤ VCC ≤ 5.5V	4
Input Filter Spike Suppression (SDA and SCL pins)	TSP		50	ns	(Note 1 and Note 3)	4
Write Cycle Time (byte or page)	TWC		5	ms		4
Endurance		1e+06		cycles	25°C, VCC = 5.5V, Page mode (Note 4)	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	8-Lead Plastic Small Outline (SN) - Narrow, 3.90 mm (.150 In.) Body [SOIC] A A2	19

CAD (KiCad official)

Symbol: 24AA025T-I
Footprint: Package_TO_SOT_SMD:SOT-23-6
3D model: SOT-23-6 (KiCad packages3D, STEP)
3D model files: 24aa025t-i-etched.step / 24aa025t-i-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 24aa025t-i.step / 24aa025t-i.glb are the bare package body.

Provenance

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

Datasheet: Microchip Tech datasheet (41 pp, sha256 28c12b77c2e7b4a0, 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