{"license":"Free for any use with attribution link to rfid-datasheet.com","citation":"RFID-Datasheet.com Chip Database — Roxtron","source":"https://rfid-datasheet.com/chip/mifare-sam-av2","methodology":"https://rfid-datasheet.com/methodology","data_notes":"Includes automated enrichment. Null means unknown; last_checked is link availability, not technical review. Manufacturer documents govern specifications.","generated_at":"2026-11-01T22:04:12.165Z","chip":{"id":"65ec3746-c3cc-4708-8054-f266df6d2ca3","slug":"mifare-sam-av2","name":"MIFARE SAM AV2","manufacturer":"NXP","frequency_category":"HF 13.56 MHz","short_description":"Secure access module for readers, TDEA/AES/RSA key storage","manufacturer_url":"https://www.cardomatic.de/WebRoot/Store17/Shops/64510967/561A/B9E2/6401/8070/1CCA/C0A8/2BBC/1523/P5DF081_SDS.pdf","frequency":"13.56 MHz (contactless reader interface)","protocol":"ISO/IEC 7816 contact interface (T=1), ISO/IEC 14443 support via RC52x/RC663 reader ICs","memory":"264 kB ROM, 80 kB EEPROM (data and program), 7680 bytes RAM, 128 symmetric key entries, 3 RSA key entries","interface":"ISO/IEC 7816 contact (CLK, RST, IO1/UART, VDD, VSS), I2C to RC52x/RC663 (IO2, IO3), supports up to 1.5 Mbit/s","temp_range":"-25°C to +85°C","form_factor":"PCM1.1 module (8-contact), HVQFN32 (5×5×0.85 mm), wafer (150 mm)","security":"TDEA (Triple-DES), AES-128/192, RSA (256–2048 bit), MIFARE Crypto1, SHA-1/SHA-224/SHA-256, CMAC, true random number generator (TRNG), secure key storage with usage counters, host authentication, secure messaging (MAC/Full Protection)","use_cases":["payments-transit","access-control","supply-chain"],"engineering_brief":"The MIFARE SAM AV2 (P5DF081) is a contact-based secure application module designed to augment contactless readers with hardware cryptography and secure key storage. It connects via ISO/IEC 7816 contact interface (UART to host) and I2C to NXP RC52x/RC663 reader ICs for accelerated MIFARE transactions. The module supports TDEA, AES-128/192, RSA (up to 2048-bit), MIFARE Crypto1, and hashing (SHA-1/224/256), with storage for 128 symmetric and 3 RSA key entries, key diversification, and usage counters. Delivered in PCM1.1, HVQFN32, or wafer form, it is certified for -25°C to +85°C operation and widely deployed in public transport, loyalty, and access control systems.","enriched":true,"url_status":"ok","link_status":"valid","last_checked":"2026-11-01T03:31:28.371+00:00","last_status_code":200,"last_content_type":"application/pdf","created_at":"2026-06-14T16:30:56.111445+00:00","manufacturer_id":"6daaf1cc-d0e6-40c7-aba0-a08b4c3493fe","chip_type":"sam","dual_interface":false,"is_family_hub":false,"meta_description":"NXP MIFARE SAM AV2 secure access module with ISO/IEC 7816 contact interface, 80 kB EEPROM, AES/TDEA/RSA cryptography, 128 key entries for readers and terminals.","faq":[{"a":"The MIFARE SAM AV2 is a secure access module that adds hardware cryptography and secure key storage to contactless readers. It connects via ISO/IEC 7816 contact interface to the host and I2C to NXP RC52x/RC663 reader ICs, commonly used in public transport, access control, and loyalty systems.","q":"What is the MIFARE SAM AV2 used for?"},{"a":"The MIFARE SAM AV2 can store up to 128 symmetric key entries (for AES, TDEA, or MIFARE Crypto1) and 3 RSA key entries (256–2048 bit) in its 80 kB EEPROM. Keys are protected with usage counters and secure storage mechanisms.","q":"How many cryptographic keys can the MIFARE SAM AV2 store?"},{"a":"The SAM AV2 supports Triple-DES (TDEA), AES-128/192, RSA (256–2048 bit), MIFARE Crypto1, SHA-1/SHA-224/SHA-256 hashing, and CMAC. It includes a true random number generator (TRNG) and secure messaging with MAC or full protection.","q":"What cryptographic algorithms does the MIFARE SAM AV2 support?"},{"a":"No, the MIFARE SAM AV2 is a contact-based module using the ISO/IEC 7816 interface. It enhances contactless reader functionality by providing cryptographic operations via I2C to NXP RC52x or RC663 reader ICs, which handle the 13.56 MHz contactless communication.","q":"Does the MIFARE SAM AV2 have wireless NFC capability?"},{"a":"The MIFARE SAM AV2 is certified for operation from -25°C to +85°C, suitable for industrial and outdoor applications including public transport terminals and access control readers.","q":"What is the operating temperature range of the MIFARE SAM AV2?"},{"a":"The MIFARE SAM AV2 supports ISO/IEC 7816 contact communication (T=1 protocol) at speeds up to 1.5 Mbit/s on the UART interface (IO1), with additional I2C interface (IO2/IO3) for connecting to RC52x/RC663 reader ICs.","q":"What interface speed does the MIFARE SAM AV2 support?"}],"standards":["iso-7816","iso-14443a"],"alternatives":null,"no_direct_competitor":false,"long_form_html":null,"og_image_url":null,"canonical_url":"https://rfid-datasheet.com/chip/mifare-sam-av2"}}