Atmel AT25640B-SSHL-B SPI Serial EEPROM — 64 Kbit (8,192 × 8), SPI Interface, 1.8 V–5.5 V, 20 MHz Clock Rate, 8-Lead JEDEC SOIC, Industrial Temperature, Tube of 18 pcs. Self-contained serial EEPROM with 3-wire SPI interface, 32-byte page write mode, hardware and software write protection, and a 1,000,000-cycle write endurance. No separate erase cycle required before write.
Available in stock — ships within 3 days after payment. New in original packaging — Sealed (OVP).
Product overview
| Part number | AT25640B-SSHL-B |
| Date code | 1506 |
| Product type | SPI Serial EEPROM |
| Memory size | 64 Kbit (8,192 × 8) |
| Interface | SPI — Modes 0 (0,0) and 3 (1,1) |
| Supply voltage | 1.8 V to 5.5 V |
| Max. clock frequency | 20 MHz @ 4.5–5.5 V; 10 MHz @ 2.5–5.5 V; 5 MHz @ 1.8–5.5 V |
| Page size | 32 bytes |
| Write cycle time (max.) | 5 ms (self-timed) |
| Write endurance | 1,000,000 write cycles |
| Data retention | 100 years |
| Supply current (read, max.) | 10 mA @ 5 V / 20 MHz |
| Standby current (max.) | 6 µA @ 1.8 V; 10 µA @ 5.0 V |
| Write protection | Block protection (1/4, 1/2, full array) + WP pin + software disable |
| Operating temperature | −40°C to +85°C (industrial) |
| Package | 8-Lead JEDEC SOIC (0.150" wide body), NiPdAu lead finish |
| Mounting type | SMD / SMT |
| Packing | Tube, 18 pcs (partial tube) |
| Compliance | RoHS compliant, Pb/Halide-free (green packaging) |
| Condition | New — original sealed packaging (OVP) |
Applications
- Non-volatile data storage in industrial and embedded microcontroller systems
- Configuration and calibration data retention in low-power sensor and IoT devices
- Parameter storage in consumer electronics and appliances
- Replacement or upgrade for standard 64 Kbit SPI EEPROM devices
Shipping
- Ships within 3 days after payment
- Secure packaging for safe delivery
- Free delivery within Germany
Warranty & compliance
- 12-month warranty included
- Product is fully compliant with EU industry standards
- VAT invoice included with every order
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