DS28E16X-S+T

Specialized ICS Overview

The DS28E16X-S+T is a secure authenticator integrating FIPS 202-compliant SHA-3 challenge-response authentication with secured EEPROM. It features a unique factory-programmed 64-bit ROM ID, a 17-bit decrement counter, and 256 bits of user-accessible EEPROM. The device operates on the single-contact 1-Wire bus using an internal parasite power capacitor, requiring a supply voltage between 1.71V and 3.63V. It supports overdrive communication speeds up to 90.9kbps and includes robust countermeasures against security attacks. The component is housed in a 6-pin Wafer Level Package (WLP) and functions within an operating temperature range of -40°C to +85°C.

Specialized ICS Feature Summary

• FIPS 202-compliant SHA-3 engine for challenge/response authentication
• 256-bit secured EEPROM with cryptographic protection from discovery
• Unique unalterable 64-bit ROM ID serving as electronic serial number
• 17-bit nonvolatile decrement-only counter with authenticated read capability

Specialized ICS Applications

• Medical tools and accessories authentication and calibration
• Accessory and peripheral secure authentication
• Battery authentication and charge cycle tracking

Specialized ICS Procurement Notes

Verify the specific package suffix 'S' corresponds to the 6-pin WLP configuration when sourcing. Confirm that the ordering suffix '+T' indicates tape and reel packaging containing 2,500 pieces per reel. Ensure compatibility with the required 1-Wire master interface and parasitic power delivery constraints before procurement.

Specialized ICS Selection Notes

Select this part for applications requiring FIPS 202 SHA-3 compliance and low pin-count integration. The WLP package is suitable for space-constrained designs but requires appropriate land pattern adherence. Verify that the system pullup resistor does not exceed 750Ω and that the input load current of 3.5µA fits the host controller's drive capabilities.

Specialized ICS Part Context

This component belongs to the DS28E16 series of DeepCover secure authenticators manufactured by Analog Devices/Maxim Integrated. The 'X' designation typically covers multiple package options, while the '-S+' suffix specifically identifies the Wafer Level Package variant. It shares core cryptographic architecture with other members like the DS28E16Q+T but differs in physical form factor.

Specialized ICS Replacement Considerations

Direct replacements must maintain SHA-3 authentication and 1-Wire compatibility. The DS28E16Q+T offers identical functionality in a TDFN-EP package. Other DeepCover authenticators may require firmware adjustments due to differing memory maps or command sets.