Infineon Technologies S29GL032N90FFIS10

Overview

S29GL032N90FFIS10 from Infineon Technologies (formerly Cypress) is a 32-Mbit, 16-bit-wide single-power-supply MirrorBit Flash memory IC with 90 ns access time, 64 KB uniform sectors, and Secured Silicon Sector for factory-programmed 16-byte electronic serial number. It operates from 2.7–3.6 V VCC and 1.65–3.6 V VIO, supports JEDEC-compliant command set, and is used in industrial control firmware storage where secure boot code retention and sector-level erase flexibility are required.

For engineers reviewing the S29GL032N90FFIS10 datasheet, S29GL032N90FFIS10 pinout, S29GL032N90FFIS10 application, or S29GL032N90FFIS10 equivalent, key selection criteria include uniform 64 KB sector architecture, 100,000 erase cycles per sector, CFI compliance for host auto-identification, hardware write protection via WP#/ACC, and support for program/erase suspend-resume operations in embedded systems.

Technical Context

This device implements a 110 nm MirrorBit floating-gate NAND-like cell architecture enabling single-supply 3.0 V operation with hot-hole assisted erase and hot-electron injection programming. It features dual voltage domains: VCC powers core logic and array, while VIO independently sets I/O buffer thresholds across 1.65–3.6 V, enabling interoperability with mixed-voltage microcontrollers.

Command execution is fully state-machine driven with no external clock dependency; all operations-including sector erase, buffer write, and autoselect-are initiated by deterministic 6-cycle write sequences to specific address/data latches. Status is reported via DQ7 polling, DQ6/DQ2 toggling, or RY/BY# active-low signal, eliminating need for timing-critical wait states.

Key Specifications

Pinout & Package

Package: 48-pin TSOP (Type 1, standard thin small outline package, 12 × 20 mm body, 0.5 mm pitch). Pin compatibility confirmed per Figure 1, Page 5 of Infineon Doc #001-98525 Rev. *B.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar Flash memory applications.

Compared with S29GL032N90FFIS10, the TSOP variant offers drop-in replacement in legacy industrial designs, while the BGA alternative trades ease of assembly for miniaturization; the Macronix part sacrifices security and interoperability for unit cost reduction in non-certified systems.

Availability

S29GL032N90FFIS10 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, medical device boot code retention, and automotive telematics module applications requiring stable component supply, long-term lifecycle support, and guaranteed obsolescence management.

Supply support for S29GL032N90FFIS10 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Infineon Technologies is a global semiconductor leader headquartered in Munich, Germany, specializing in power management, automotive MCUs, and secure memory solutions with ISO/TS 16949 and ISO 9001 certification.

This device belongs to the S29GL-N MirrorBit Flash family, engineered for high-reliability embedded firmware storage in harsh environments - emphasizing data integrity, sector-level security, and seamless integration with legacy and modern microcontroller buses.

FAQ

What is the function of the VIO pin on S29GL032N90FFIS10?

VIO sets the input threshold voltage and output drive strength for all address, control, and data pins independently of VCC. It accepts 1.65–3.6 V, enabling direct interfacing with 1.8 V or 3.3 V microcontrollers without external level shifters. This dual-rail design isolates I/O signaling from core logic voltage, improving noise immunity and mixed-voltage system compatibility.

Does S29GL032N90FFIS10 support 8-bit data bus operation?

Yes, when BYTE# is driven low, the device operates in 8-bit mode using only DQ0–DQ7. In this mode, DQ8–DQ15 are tri-stated, and addresses increment by one byte instead of one word. This mode maintains full command compatibility and sector protection functionality, allowing reuse of existing 8-bit MCU firmware drivers without modification.

How is the Secured Silicon Sector protected and accessed?

The Secured Silicon Sector is a 256-byte region pre-programmed with a unique 16-byte Electronic Serial Number at factory. Access requires issuing the Enter Secured Silicon Sector command sequence (0xAA, 0x55, 0x80, 0xAA, 0x55, 0x90) to unlock read access. Once locked via the Lock Secured Silicon Sector command, no further writes or erases are possible - providing immutable device identity for secure boot and licensing.

Can S29GL032N90FFIS10 be used in systems requiring JEDEC JESD22-A117 moisture sensitivity level (MSL) compliance?

Yes, the 48-pin TSOP package (FF suffix) is rated MSL 3 per J-STD-020, with floor life of 168 hours at ≤30°C/60% RH. Bake requirements prior to reflow are defined in Infineon's packaging specification document 002-10011, and the device meets IPC/JEDEC standards for lead-free reflow profiles up to 260°C peak temperature.