DS2431P+T EEPROM 1024-Bit 1-Wire EEPROM
1024-bit 1-Wire EEPROM memory device with advanced protection features and wide operating range.
Key Features
- 1024 bits of EEPROM memory partitioned into four pages of 256 bits
- Individual memory pages can be permanently write protected or put in EPROM-emulation mode ("Write to 0")
- Switchpoint hysteresis and filtering to optimize performance in noisy environments
- IEC 1000-4-2 Level 4 ESD protection (±8kV contact, ±15kV air, typical)
- Reads and writes over wide voltage range from 2.8V to 5.25V from -40°C to +85°C
- Communicates to host with single digital signal at 15.4kbps or 125kbps using 1-Wire protocol
- Also available as automotive version meeting AEC-Q100 Grade 1 qualification requirements
Applications
- Accessory/PCB identification
- Medical sensor calibration data storage
- Analog sensor calibration including IEEE P1451.4 smart sensors
- Ink and toner print cartridge identification
- After-market management of consumables
Product Variants
| Part Number |
Temperature Range |
Pin-Package |
| DS2431+ | -40°C to +85°C | 3 TO-92 |
| DS2431+T&R | -40°C to +85°C | 3 TO-92 |
| DS2431P+ | -40°C to +85°C | 6 TSOC |
| DS2431P+T&R | -40°C to +85°C | 6 TSOC |
| DS2431G+U | -40°C to +85°C | 2 SFN (6mm x 6mm) |
| DS2431G+T&R | -40°C to +85°C | 2 SFN (6mm x 6mm)(2.5k pcs) |
| DS2431GA+U | -40°C to +85°C | 2 SFN (3.5mm x 6.5mm) |
| DS2431GA+T&R | -40°C to +85°C | 2 SFN (3.5mm x 6.5mm)(2.5k pcs) |
| DS2431Q+T&R | -40°C to +85°C | 6 TDFN-EP* (2.5k pcs) |
| DS2431X-S+ | -40°C to +85°C | 3x3 UCSPR (2.5k pcs) |
| DS2431X+ | -40°C to +85°C | 3x3 UCSPR (10k pcs) |
Packaging & Shipping
Standard export packaging available. Customers can choose from cartons, wooden cases, and wooden pallets according to their requirements.
Frequently Asked Questions
How to obtain the price?
We typically provide quotations within 24 hours of receiving your inquiry (excluding weekends and holidays). For urgent pricing requests, please contact us directly.
What is your delivery time?
Small batches typically ship within 7-15 days, while large batch orders may require approximately 30 days depending on order quantity and season.
What are your payment terms?
Factory pricing with 30% deposit and 70% balance payment via T/T before shipment.
What are the shipping options?
Available shipping methods include sea freight, air freight, and express delivery (EMS, UPS, DHL, TNT, FEDEX). Please confirm your preferred method before ordering.
