General Description

The AT24C32A/64A provides 32,768/65,536 bits of serial electrically erasable and programmable read only memory (EEPROM) organized as 4096/8192 words of 8 bits each. 

Key applications

• Hotel Manage

• Membership

• E-ticket 

Customizations

• Printing: off-set print, silk-screen print, digital print 

• Code printing: thermal print, inkjet spray print, DOD UV print, embossing print, laser print, etc.

• Magnetic stripe: LoCo 300 Oe, HiCo 2750 Oe or 4000 Oe

• Special crafts: Hot-stamping, Hole punching, Signature panel, Scratching off, Hologram, Crystal epoxy surface, metal ring, etc.

• Coding: Encoding, Encryption,  etc.

Chip Features

• Standard-Voltage Operation

– 2.7 (VCC = 2.7V to 5.5V)

• Internally Organized 4096 x 8 (32K), 8192 x 8 (64K)

• Automotive Temperature Range –40°C to +125°C

• Two-wire Serial Interface

• Schmitt Trigger, Filtered Inputs for Noise Suppression

• Bidirectional Data Transfer Protocol

• 400 kHz Clock Rate

• Write Protect Pin for Hardware Data Protection

• 32-byte Page Write Mode (Partial Page Writes Allowed)

• Self-timed Write Cycle (5 ms Max)

• High Reliability

– Endurance: 1 Million Write Cycles

– Data Retention: 100 Years

• Lead-free/Halogen-free Devices Available

• 8-lead JEDEC SOIC and 8-lead TSSOP Packages

Chip Parameters

Card Parameters