Description

The SR1761ADA4 is a contactless memory electronic component that operates through an externally transmitted radio wave. It is fabricated with STMicroelectronics CMOS technology and contains 176 bits of user EEPROM. The memory is organized into 16 blocks of 16 bits, with 11 blocks being user accessible.

Specifications and features

The SR1761ADA4 has the following specifications and features:

• ISO 14443 - 2 Type B Air Interface Compliant
• ISO 14443 - 3 Type B Frame Format Compliant
• 13.56MHz Carrier Frequency
• 847kHz Subcarrier Frequency
• 106kbit/s Data Transfer
• Data Transfer:
  • ASK Modulation from Reader to Tag
  • BPSK Coding from Tag to Reader
• 176-bit EEPROM with Write Protect Feature
• 64-bit Unique Identifier
• READ BLOCK & WRITE BLOCK (16 Bits)
• Internal Tuning Capacitor
• Self-Timed Programming Cycle
• 5ms Programming Time (typical)
• More than 100,000 Erase/Write Cycles
• More than 10 Year Data Retention

Application Scenarios

The SR1761ADA4 can be used in various applications that require contactless memory solutions. Some possible scenarios include:

• Inventory tracking
• Access control systems
• Smart cards
• RFID tags

Comparison

Advantages:

• Contactless operation
• Compliant with industry standards
• High data transfer rate
• Write protect feature
• Long data retention period

Disadvantages:

• Limited storage capacity (176 bits)
• Requires external radio wave transmission