FMSH / 复旦微电子 / TECHNICAL REFERENCE
FM4442
Contact memory-card security IC named in Fudan's security and identification product table.
FPGA.io Part Number FIO-3A0A8311DE9C0EADInternal catalogue reference · manufacturer MPN remains unchanged
Technical reference · Base device — ordering suffix not specified · Checked 2026-09-28
DOCUMENTED FACTS
Technical parameters
Values apply to the device and conditions identified in each source. Family maxima, package limits and full ordering-code specifications must not be treated as interchangeable.
| Parameter | Documented value | Source & conditions |
|---|---|---|
| Memory capacity | 2 Kbits | Fudan contact memory card chips ↗FM4442 row |
| Contact interface | ISO 7816 | Fudan contact memory card chips ↗FM4442 row |
| Password length | 3 bytes | Fudan contact memory card chips ↗FM4442 row |
Official documents
Fudan contact memory card chipsFM4442 rowWeb ↗Ordering and board constraints
This reference identifies a base device. Package, speed grade, temperature, qualification and packing suffixes have not been inferred.
- The source lists contact-module delivery; the facts describe the chip's memory, protocol and password, not module dimensions.
- Confirm current availability and lifecycle for the complete code before procurement.
- Review pinout, electrical conditions and the exact document revision before PCB release.
Prepare a complete request
Include the full ordering code, quantity, delivery requirement and traceability needs. For an assembled board, include BOM revision, programming and test scope.
Request this device ↗Series & categories
COMPLETE PART IDENTITIES
Ordering numbers for FM4442
These references belong to this device. Evidence labels distinguish reviewed specifications, public listings and manufacturer coding examples. Counts describe this site’s documented coverage, not stock or all configurations offered by the manufacturer.
Exact ordering code requires confirmation
This bounded review did not verify a literal full ordering code. This does not establish that no code exists. Package, speed and temperature matrices were not expanded.
Request an exact-code review →