The AT24C256 card provides 262,144 bits of serial electrically erasable and programmable read-only memory (EEPROM) organized as 32,768 words of 8 bits each. The device’s cascadable feature allows up to eight devices to share a common two-wire bus. The device is optimized for use in many industrial and commercial applications where low-power and low-voltage operation are essential.
2.Dimension:CR80(85.5x54mm) or as customer's requirement
5.Options: Signature panel, LOCO/HICO Magnetic Stripe, embossing letter and number, barcode, sequential numbering, Gold/Silver card, frosted card
6.Application: AT24C256 Smart Card(AT24C256 Contact Smart Card) is widely used for: Enterprises,traffic, insurance, super marketing, parking, school, access control, hospital, telecom ect.
Low-voltage and Standard-voltage Operation
-VCC = 1.7V to 5.5V
Internally Organized as 32,768 x 8
Two-wire Serial Interface
Schmitt Trigger, Filtered Inputs for Noise Suppression
Bidirectional Data Transfer Protocol
1 MHz (5.0V, 2.7V, 2.5V), and 400kHz (1.7V) Compatibility
Write Protect Pin for Hardware and Software Data Protection
64-byte Page Write Mode (Partial Page Writes Allowed)
Self-timed Write Cycle (5ms Max)
Endurance: One Million Write Cycles
8-lead JEDEC SOIC, 8-lead TSSOP, 8-lead UDFN and 8-ball VFBGA Packages