Infineon Technologies CY62158G30-45BVXI

Overview

CY62158G30-45BVXI from Infineon Technologies (formerly Cypress) is an 8-Mbit (1M × 8-bit) MoBL SRAM with embedded single-bit error-correcting code (ECC), operating at 45 ns access time across 2.2–3.6 V supply, delivering 1.4 µA typical standby current and TTL-compatible I/O for industrial memory subsystems in safety-critical controllers and medical data loggers.

For engineers reviewing the CY62158G30-45BVXI datasheet, CY62158G30-45BVXI pinout, CY62158G30-45BVXI application, or CY62158G30-45BVXI equivalent, key selection criteria include ECC support without automatic write-back, dual chip enable architecture, 48-ball VFBGA package compatibility, and SER FIT rate <0.1 FIT/Mb per AN88889.

Technical Context

This SRAM implements a synchronous, CMOS-based 1M × 8-bit array with dedicated ECC encoder/decoder logic that detects and corrects single-bit errors on read, but does not trigger automatic write-back upon correction. The device uses two independent chip enables (CE1 active-low, CE2 active-high) to gate access, enabling hierarchical memory control in multi-bank systems.

It supports full TTL-level compatibility on all inputs and outputs, operates down to 1.0 V for data retention only, and features automatic power-down modes (ISB1/ISB2) triggered by invalid CE states - with ISB2 guaranteed up to 85 °C at ≤6.5 µA maximum.

Key Specifications

Pinout & Package

Package: 48-ball Very Thin Fine-Pitch Ball Grid Array (VFBGA), 6 mm × 8 mm × 1 mm, RoHS-compliant, Pb-free.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar SRAM with ECC applications.

Compared with AS6C8008-45TIN and IS62WV10248BLL-45NLI, CY62158G30-45BVXI uniquely delivers hardware ECC within its voltage-flexible, industrial-temp 48-ball VFBGA footprint - eliminating external correction logic while maintaining compatibility with brown-out-prone 2.5 V/3.3 V systems.

Availability

CY62158G30-45BVXI is available at Aetrix Electronics and suitable for medical data loggers, industrial PLC controllers, railway signaling units, and avionics health monitors requiring stable component supply across extended product lifecycles.

Supply support for CY62158G30-45BVXI 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 German semiconductor leader specializing in power management, sensing, and security solutions for automotive, industrial, and IoT markets.

CY62158G30-45BVXI belongs to the MoBL (Mobile Low-power) SRAM product line, engineered for high-reliability, low-voltage memory in safety-aware embedded systems where data integrity and extended standby operation are mandatory.

FAQ

Does CY62158G30-45BVXI support automatic error correction write-back?

No. The device detects and corrects single-bit errors during read operations, but does not perform automatic write-back to the memory array. Correction is transparent to the read data path only; the original corrupted bit remains unmodified in the array unless rewritten by the host system. This behavior is explicitly documented in Note 1 of the datasheet.

What is the function of the ERR pin on CY62158G30-45BVXI?

CY62158G30-45BVXI does not include an ERR pin. That signal is present only on the CY62158GE variant (e.g., CY62158GE30-45BVXI). The 'G' suffix denotes the base version without ERR output; ERR is an open-drain error flag asserted LOW when uncorrectable multi-bit errors occur - absent in this part number.

Can CY62158G30-45BVXI operate at 2.5 V and still meet 45 ns access time?

Yes. The 45 ns access time is specified across the full 2.2 V to 3.6 V VCC range, including 2.5 V operation. Electrical characteristics tables confirm ICC and timing parameters are guaranteed at VCC = 2.5 V (within min/max bounds), and the device maintains full functionality without derating at that voltage.

Is the 48-ball VFBGA package of CY62158G30-45BVXI compatible with standard reflow profiles?

Yes. The package complies with IPC/JEDEC J-STD-020 moisture sensitivity level 3 and supports standard lead-free reflow profiles (peak temperature ≤260 °C, time above liquidus 60–150 s). Thermal resistance data (ΘJA = 36.92 °C/W) confirms suitability for convection-heated PCB assemblies without forced cooling.