{"id":8994,"date":"2026-07-01T09:38:16","date_gmt":"2026-07-01T09:38:16","guid":{"rendered":"https:\/\/materialparts.com\/atecc608a-mahda-s\/"},"modified":"2026-07-01T09:38:16","modified_gmt":"2026-07-01T09:38:16","slug":"atecc608a-mahda-s","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/atecc608a-mahda-s\/","title":{"rendered":"ATECC608A-MAHDA-S"},"content":{"rendered":"<h2>\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n<p>The ATECC608A-MAHDA-S is a Microchip secure element IC with hardware cryptography including AES-128, SHA-256, ECDSA P-256, and ECDH. Features secure key storage, device authentication, and TLS acceleration. Packaged in 8-pin SOIC or UDFN, -40&#176;C to +85&#176;C.<\/p>\n<h2>\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n<table>\n<tr>\n<td>\u0627\u0644\u0648\u0627\u062c\u0647\u0629<\/td>\n<td>I2C (up to 1 MHz)<\/td>\n<\/tr>\n<tr>\n<td>RNG<\/td>\n<td>FIPS 800-90A\/B compliant TRNG<\/td>\n<\/tr>\n<tr>\n<td>Key Storage<\/td>\n<td>16 secure slots<\/td>\n<\/tr>\n<tr>\n<td>AES<\/td>\n<td>128-bit hardware<\/td>\n<\/tr>\n<tr>\n<td>ECDSA<\/td>\n<td>P-256 sign and verify<\/td>\n<\/tr>\n<tr>\n<td>Supply<\/td>\n<td>2.0 V to 5.5 V<\/td>\n<\/tr>\n<\/table>\n<h2>\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n<ul>\n<li>AES-128 hardware encryption<\/li>\n<li>SHA-256 hash acceleration<\/li>\n<li>ECDSA P-256 sign\/verify<\/li>\n<li>ECDH key agreement<\/li>\n<li>16 secure key slots with read protection<\/li>\n<li>FIPS 800-90A\/B true random number generator<\/li>\n<\/ul>\n<h2>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n<ul>\n<li>IoT device authentication<\/li>\n<li>Secure boot and firmware validation<\/li>\n<li>TLS\/SSL session key management<\/li>\n<li>Secure key storage and provisioning<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Product Overview The ATECC608A-MAHDA-S is a Microchip secure element IC with hardware cryptography including AES-128, SHA-256, ECDSA P-256, and ECDH. Features secure key storage, device authentication, and TLS acceleration. Packaged in 8-pin SOIC or UDFN, -40&#176;C to +85&#176;C. Key Specifications Interface I2C (up to 1 MHz) RNG FIPS 800-90A\/B compliant TRNG Key Storage 16 secure [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,20],"tags":[],"chip_brand":[],"class_list":["post-8994","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-interface-ics"],"acf":{"brief_explanation":"Secure element, AES\/SHA\/ECDSA, 16 key slots, I2C, SOIC-8","date_code":"","package_case":"8-Pin SOIC (4.9 x 3.9 x 1.3 mm) or UDFN-8","in_stock":6200,"datasheet":"https:\/\/ww1.microchip.com\/downloads\/en\/DeviceDoc\/ATECC608A-CryptoAuthentication-Device-Summary-Data-Sheet-DS40002077B.pdf","price":"$0.580 @ 1ku","product_introduction":"The ATECC608A-MAHDA-S is a Microchip Technology CryptoAuthentication secure element IC providing hardware-accelerated cryptographic functions and tamper-resistant key storage for IoT and embedded systems. The device integrates AES-128 encryption\/decryption, SHA-256 hashing, ECDSA P-256 digital signature generation and verification, and ECDH key agreement, enabling end-to-end security from device authentication to encrypted communication. The 16 secure key slots store private keys that can never be read out of the device, only used internally for cryptographic operations. The FIPS 800-90A\/B compliant true random number generator (TRNG) provides high-entropy random numbers for nonce generation and key creation. The I2C interface operates at up to 1MHz for fast command processing. The MAHDA variant is provisioned for Microchip Trust Platform with pre-configured device certificates for zero-touch cloud provisioning. The 2.0V to 5.5V supply range supports direct connection to 3.3V and 5V MCU I2C buses without level shifting.","working_principle":"The ATECC608A operates as an I2C peripheral that receives command packets and returns response data. The host MCU sends a command (e.g., GenDig, Sign, Verify) with parameters over I2C. The secure element processes the command internally using hardware cryptographic engines and returns the result. Private keys stored in the 16 slots are inaccessible via any command, preventing extraction even if the host MCU is compromised. For device authentication, the host sends a random challenge to the ATECC608A, which signs it with the device private key; the verifier checks the signature against the device certificate. For TLS acceleration, the ATECC608A performs ECDH key agreement to derive the session key, keeping the private key internal. The internal RNG generates high-quality random numbers for nonces and key material. The tamper-resistant hardware design includes active shielding, voltage\/temperature monitoring, and firmware-controlled access policies.","pin_description":"<table><tr><th>Pin<\/th><th>Mnemonic<\/th><th>Description<\/th><\/tr><tr><td>1<\/td><td>NC<\/td><td>No connect<\/td><\/tr><tr><td>2<\/td><td>NC<\/td><td>No connect<\/td><\/tr><tr><td>3<\/td><td>NC<\/td><td>No connect<\/td><\/tr><tr><td>4<\/td><td>GND<\/td><td>Ground<\/td><\/tr><tr><td>5<\/td><td>SDA<\/td><td>I2C data (open-drain)<\/td><\/tr><tr><td>6<\/td><td>SCL<\/td><td>I2C clock<\/td><\/tr><tr><td>7<\/td><td>NC<\/td><td>No connect<\/td><\/tr><tr><td>8<\/td><td>VCC<\/td><td>Supply (2.0-5.5V)<\/td><\/tr><\/table>","application_scenarios":"<ul><li>IoT device mutual authentication using ECDSA P-256 with Microchip Trust zero-touch provisioning<\/li>\n<li>Secure boot with SHA-256 firmware hash verification and hardware root of trust<\/li>\n<li>TLS 1.3 session acceleration with ECDH key agreement keeping private key in secure element<\/li>\n<li>Medical device secure data logging with AES-128 encryption of patient data at rest<\/li><\/ul>","alternative_models":"<table><tr><th>Model<\/th><th>Manufacturer<\/th><th>Key Difference<\/th><\/tr><tr><td>ATECC608B-MAHDA-S<\/td><td>Microchip<\/td><td>Updated version with errata fixes<\/td><\/tr><tr><td>ATECC508A-MAHDA-S<\/td><td>Microchip<\/td><td>Previous generation, no AES<\/td><\/tr><tr><td>OPTIGA Trust M<\/td><td>Infineon<\/td><td>Similar secure element<\/td><\/tr><tr><td>SE050<\/td><td>NXP<\/td><td>EdgeLock secure element<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/8994","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=8994"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/8994\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=8994"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=8994"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=8994"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=8994"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}