24AA32A-I/ST Microchip Integrated Circuit (Small Outline Packages) In Stock
24AA32A-I/ST is a 32Kbit (4K x 8) I2C serial EEPROM operating at 1.8V with up to 100kHz clock speed. Offers 1,000,000 write/erase cycles, 200-year data retention, and comes in an 8-pin TSSOP package. RoHS compliant and available from Microchip with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 24AA32A-I/ST Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4112(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-low 1.8V operating voltage enabling use in battery-powered and low-energy embedded systems
- 1,000,000 write/erase cycle endurance with minimum 200-year data retention for long-life applications
- Standard I2C interface with 1010DDDR control byte supporting multi-device bus addressing in 8-pin TSSOP package
Applications
The 24AA32A-I/ST is ideal for storing configuration data, calibration parameters, and user settings in low-power microcontroller-based systems such as IoT devices, wearables, and handheld instruments. Its 1.8V operation makes it compatible with modern low-voltage processors and FPGAs, minimizing the need for level shifting. The I2C interface simplifies board routing and allows multiple EEPROM devices to share the same two-wire bus.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | TSSOP-8 |
| Factory Lead Time | 24Weeks |
| YTEOL | 8 |
| Clock Frequency-Max (fCLK) | 0.1MHz |
| Data Retention Time-Min | 200 |
| Endurance | 1000000 Write/Erase Cycles |
| I2C Control Byte | 1010DDDR |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Memory Density | 32768bit |
| Memory IC Type | EEPROM |
| Memory Width | 8 |
| Number of Functions | 1 |
| Number of Words | 4096words |
| Number of Words Code | 4000 |
| Operating Mode | SYNCHRONOUS |
| Organization | 4KX8 |
| Output Characteristics | OPEN-DRAIN |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Parallel/Serial | SERIAL |
| Peak Reflow Temperature (Cel) | 260 |
| Programming Voltage | 2.5V |
| Qualification Status | Not Qualified |
| Serial Bus Type | I2C |
| Standby Current-Max | 0.000001A |
| Supply Current-Max | 0.003mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1.7V |
| Supply Voltage-Nom (Vsup) | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Write Cycle Time-Max (tWC) | 5ms |
| Write Protection | HARDWARE |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.32.00.51 |
| Country of Origin | Mainland China, Malaysia, Philippines, Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for 24AA32A-I/ST:
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Frequently Asked Questions
What is the capacity and organization of the 24AA32A-I/ST EEPROM?
The 24AA32A-I/ST provides 32Kbits of non-volatile storage organized as 4,096 bytes (4K x 8-bit). It communicates over I2C using the control byte 1010DDDR, allowing up to eight devices on the same bus with address pin configuration. The device supports up to 100kHz clock frequency.
What is the operating voltage range and endurance of the 24AA32A?
The 24AA32A operates at a minimum supply voltage of 1.8V, making it suitable for low-power and battery-operated designs. It is rated for a minimum of 1,000,000 write/erase cycles per memory location and offers a minimum data retention time of 200 years under standard conditions.
What package is the 24AA32A-I/ST available in and is it RoHS compliant?
The 24AA32A-I/ST is available in an 8-pin TSSOP (Thin Shrink Small Outline Package), also known by the JEDEC code R-PDSO-G8. It is fully RoHS compliant (Pb-free, JESD-609 code e3), making it suitable for use in environmentally regulated end products sold in global markets.
What types of applications is the 24AA32A-I/ST designed for?
The 24AA32A-I/ST is designed for applications requiring reliable non-volatile storage at low supply voltages, including IoT sensors, wearable devices, industrial controllers, and consumer electronics. Its high write endurance and long data retention make it a dependable choice for storing calibration tables, configuration registers, and user preferences in embedded systems.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.5000 | $0.50 |
| 4+ | $0.4112 | $1.64 |
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