Cypress/Infineon CY4C1504 CPLD
Cypress CY4C1504 (now Infineon) CPLD provides 64 macrocells with enhanced ISP security features for secure key generation applications. HTS 8542.31.0055 classification due to complex programmable architecture and security logic blocks. Used in smart card readers and secure communications.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If packaged as smart card module with embedded antenna
Smartcards with embedded ICs and antenna classified as hybrid modules.
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Import Tips & Compliance
• Document security features and programming voltage security levels
• Include NIST FIPS 140-2 validation if used in cryptographic modules
• Declare read-protection status (unprotected vs protected)
Related Products under HTS 8542.31.00.55
Xilinx XC9500XL CPLD
The Xilinx XC9500XL is a complex programmable logic device (CPLD) featuring in-system reprogrammable Flash memory and up to 288 macrocells for flexible digital logic implementation. It falls under HTS 8542.31.0055 as a CPLD, which is a type of programmable logic device with complex architecture combining multiple logic blocks and programmable interconnects. These devices are monolithically integrated circuits used for custom logic functions in embedded systems.
Lattice ispMACH 4000ZE CPLD
Lattice ispMACH 4000ZE CPLDs offer high-density logic with zero power during configuration and enhanced I/O capabilities for power-sensitive applications. Classified under HTS 8542.31.0055 due to their complex programmable architecture with macrocell arrays exceeding simple PLD limits. Ideal for glue logic, bus interfacing, and state machines in portable electronics.
Altera MAX II EPM240 CPLD
The Altera MAX II EPM240 CPLD provides 192 macrocells with non-volatile flash configuration for instant-on applications without external boot memory. It qualifies for HTS 8542.31.0055 as a complex PLD with multiple logic array blocks and global routing architecture. Used extensively in industrial control and telecommunications equipment.
Microchip ATF1504AS CPLD
Microchip ATF1504AS CPLD features 64 macrocells with ISP capability and enhanced power management for automotive and consumer applications. Falls under HTS 8542.31.0055 due to complex programmable logic matrix exceeding simple device limits. Provides SPLD pin compatibility with added density.
QuickLogic pASIC3 CPLD
QuickLogic pASIC3 family CPLDs offer antifuse-based one-time programmable architecture for high-reliability aerospace applications. Classified HTS 8542.31.0055 as complex PLDs despite OTP technology due to programmable logic complexity. Provides radiation tolerance and guaranteed timing.