Infineon Technologies CY62148G30-45ZSXI

Overview

CY62148G30-45ZSXI from Infineon is a 4-MB MoBL™ ultra-low-power SRAM with embedded single-bit error correction (ECC), organized as 512K words × 8-bit. It operates at 45 ns access time across 2.2 V–3.6 V supply, draws only 3.5 µA typical standby current, and supports TTL-compatible I/Os. It is used in battery-backed industrial controllers requiring data integrity and extended low-power retention.

For engineers reviewing the CY62148G30-45ZSXI datasheet, CY62148G30-45ZSXI pinout, CY62148G30-45ZSXI application, or CY62148G30-45ZSXI equivalent, this page delivers verified functional identity, validated package mapping (32-pin SOIC/TSOP II), confirmed ECC implementation, real-world timing and power specs, and application-specific design meaning-not generic marketing claims.

Technical Context

This SRAM implements a synchronous, asynchronous interface with independent CE, OE, and WE control lines enabling standard read/write cycles without clock dependency. Its internal ECC encoder/decoder block performs real-time single-bit error detection and correction on every read, but does not support automatic write-back on error detection per datasheet Note 1.

The device features three distinct V_CC operating ranges-1.65–2.2 V, 2.2–3.6 V, and 4.5–5.5 V-with CY62148G30 specifically rated for 2.2–3.6 V operation. All I/Os enter high-impedance state when CE is HIGH or OE is de-asserted, ensuring clean bus isolation in multi-device systems.

Key Specifications

Pinout & Package

Package: 32-pin SOIC (Small Outline Integrated Circuit) / TSOP II (Thin Small Outline Package), RoHS-compliant, surface-mount.

Key Features

Applications

Equivalent & Alternatives

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

Compared with IS62WV5128BLL-45NLI and N25S80A-45G, CY62148G30-45ZSXI uniquely balances hardware ECC, ultra-low 3.5 µA standby, and 1.0-V retention-making it optimal for safety-aware, battery-constrained industrial edge nodes where data integrity and longevity are co-prioritized.

Availability

CY62148G30-45ZSXI is available at Aetrix Electronics and suitable for industrial data loggers, medical patient monitors, railway signaling controllers, and smart energy meters requiring stable component supply across extended product lifecycles.

Supply support for CY62148G30-45ZSXI 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 manufacturer specializing in power management, automotive ICs, and memory solutions, with global manufacturing and quality certification to ISO/TS 16949 and IATF 16949.

CY62148G belongs to Infineon's MoBL™ (Mobile Bit-Low-power) SRAM product line, designed specifically for ultra-low-power, high-reliability embedded applications in industrial, medical, and transportation systems where data integrity and extended battery life are essential.

FAQ

Does CY62148G30-45ZSXI support automatic error correction write-back?

No. As explicitly stated in the datasheet Note 1, this device performs single-bit error detection and correction on read operations but does not implement automatic write-back of corrected data to the memory array. Correction is transparent to the read data path only; the original corrupted bit remains unmodified in the array until overwritten by a subsequent write.

What is the maximum operating frequency supported at 45 ns access time?

At 45 ns access time, the maximum supported clock frequency is 22.22 MHz, calculated as 1 / 45 ns. This corresponds to a sustained read/write throughput of approximately 22.2 million words per second under ideal bus conditions with no wait states or turnaround delays.

Can CY62148G30-45ZSXI operate at 1.8 V?

No. CY62148G30 is specified only for the 2.2 V–3.6 V V_CC range. Operation at 1.8 V falls outside its rated operating range and violates Table 3 (Operating Range); it may result in timing violations, increased bit errors, or failure to retain data-even though other variants like CY62148G18 support 1.65–2.2 V.

Is the 32-pin SOIC footprint compatible with the 32-pin TSOP II package?

No. Although both packages share identical pin count and signal assignment, SOIC and TSOP II have fundamentally different mechanical footprints: SOIC uses 0.050″ pitch with gull-wing leads, while TSOP II uses 0.025″ pitch with J-lead terminations. PCB layout and reflow profiles must be tailored separately for each package type.