Infineon Technologies CY62148G-45ZSXI

Overview

CY62148G-45ZSXI from Infineon is a 4-MB MoBL™ ultra-low-power SRAM with embedded single-bit error correction (ECC), organized as 512K × 8-bit, operating at 45 ns access time across 2.2 V–3.6 V supply, and featuring 3.5 µA typical standby current. It serves as non-volatile-critical data buffer in battery-powered industrial controllers, medical wearables, and smart metering systems requiring reliable retention and low quiescent power.

For engineers reviewing the CY62148G-45ZSXI datasheet, CY62148G-45ZSXI pinout, CY62148G-45ZSXI application, or CY62148G-45ZSXI equivalent, key selection criteria include ECC-enabled data integrity, multi-voltage support (2.2–3.6 V), 45 ns timing compliance, SOIC/TSOP II package compatibility, and industrial temperature range (–40°C to +85°C).

Technical Context

This device implements a synchronous CMOS SRAM architecture with dedicated ECC encoder/decoder logic integrated into the memory array path, correcting single-bit errors on read without external intervention. It supports standard asynchronous control via CE, OE, and WE inputs, with all I/Os entering high-impedance state when deselected.

Operation requires no external clock; timing is governed by AC switching characteristics including tAA (45 ns max), tCE (45 ns max), and tOE (35 ns max). Data retention remains valid down to 1.0 V, enabling graceful power-down in energy-constrained systems.

Key Specifications

Pinout & Package

Package: 32-pin SOIC (ZS suffix) and 32-pin TSOP II/STSOP - surface-mount compatible with automated assembly and thermal performance suitable for compact PCB layouts.

Key Features

Applications

Equivalent & Alternatives

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

Compared with AS6C4008-55ZIN and IS62WV5128BLL-45NLI, CY62148G-45ZSXI uniquely delivers integrated ECC at 45 ns speed within a 2.2–3.6 V window and sub-10 µA standby-making it optimal for safety-critical, battery-operated systems where data integrity cannot be delegated to host firmware.

Availability

CY62148G-45ZSXI is available at Aetrix Electronics and suitable for smart metering, portable medical devices, industrial PLC I/O modules, and wireless sensor edge nodes requiring stable component supply across extended product lifecycles.

Supply support for CY62148G-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 R&D and manufacturing infrastructure.

CY62148G belongs to the MoBL™ (Mobile Bitline) ultra-low-power SRAM product line, designed specifically for energy-constrained embedded systems needing reliable, fast, and ECC-protected memory without external error-handling logic.

FAQ

Does CY62148G-45ZSXI support automatic error correction during read operations?

Yes. The device performs single-bit error correction transparently on every read access using on-die ECC decoder logic. No host intervention or additional timing cycles are required. Error detection flags are not exposed externally, and the corrected data appears directly on I/O0–I/O7 within the specified tAA timing window.

What is the minimum supply voltage required to retain stored data?

CY62148G-45ZSXI guarantees data retention down to 1.0 V, independent of temperature or duration. This allows safe power-down sequences and battery-swapping without data loss, provided VCC remains ≥1.0 V during retention mode and re-applies within datasheet-defined ramp and stabilization windows upon restore.

Can CY62148G-45ZSXI operate across multiple voltage ranges simultaneously?

No. The device operates in one defined VCC range at a time: either 1.65–2.2 V, 2.2–3.6 V, or 4.5–5.5 V. The CY62148G-45ZSXI variant is rated for 2.2–3.6 V only. Mixing voltages across pins or dynamically shifting VCC outside its specified range violates absolute maximum ratings and may cause functional failure.

Is the /CE pin the only signal that controls power state transitions?

Yes. Only assertion of /CE HIGH places the device into standby mode, reducing ICC to ISB2. /OE and /WE do not affect power consumption - they control only output drivers and write latching, respectively. Full power-down requires /CE HIGH and stable VCC within specification; no separate power-down command is needed.