Infineon Technologies CY62148G-45SXIT

Overview

CY62148G-45SXIT from Infineon is a 4-MB MoBL™ ultra-low-power SRAM with embedded ECC, organized as 512K words × 8-bit. It operates at 45 ns access time across 2.2 V–3.6 V supply, delivers typical standby current of 3.5 µA, supports TTL-compatible I/O, and is used in battery-backed industrial controllers requiring data integrity and extended retention.

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

Technical Context

This SRAM implements a synchronous CMOS architecture with dedicated ECC encoder/decoder logic for real-time single-bit error detection and correction on read paths. The memory array uses row/column decoding with sense amplifiers and supports standard asynchronous control via CE, OE, and WE inputs.

It features three distinct V_CC operating ranges (1.65–2.2 V, 2.2–3.6 V, 4.5–5.5 V), with the -45SXIT variant specifically rated for 45 ns access at 2.2–3.6 V. Data retention is guaranteed down to 1.0 V, enabling low-power suspend modes without external backup power.

Key Specifications

Pinout & Package

Package: 32-pin SOIC (Small Outline Integrated Circuit) with 0.300-inch body width, RoHS-compliant and Pb-free.

Key Features

Applications

Equivalent & Alternatives

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

Compared with CY62148EV-45ZSXI, the CY62148G-45SXIT offers identical electrical behavior in SOIC packaging for easier hand-soldering and legacy board compatibility; versus AS6C4008-45TIN, it provides integrated ECC and lower standby power at minimal cost premium.

Availability

CY62148G-45SXIT is available at Aetrix Electronics and suitable for industrial PLC memory buffers, medical device data loggers, smart meter firmware caches, and railway signaling controllers requiring stable component supply across extended product lifecycles.

Supply support for CY62148G-45SXIT 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 ISO 9001.

CY62148G belongs to Infineon's MoBL™ (Mobile Bitline) SRAM product line, designed specifically for ultra-low-power, high-reliability embedded applications where data integrity and extended battery life are critical.

FAQ

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

Yes. The device performs real-time single-bit error correction on every read access using embedded ECC logic. Detected errors are corrected before data appears on I/O lines. However, it does not support automatic write-back on error detection-correction is read-only and transparent to the host system.

What is the maximum clock frequency supported for continuous read/write cycling?

CY62148G-45SXIT is an asynchronous SRAM and does not use a clock signal. Its maximum operational frequency is derived from access time: at 45 ns, it supports up to 22.2 MHz random read/write cycles when interfaced with appropriate address setup/hold timing and control signal sequencing.

Can CY62148G-45SXIT operate reliably at 1.8 V supply?

No. The -45SXIT variant is specified for 2.2 V to 3.6 V operation only. While some units may function at 1.8 V, it falls outside the guaranteed operating range per datasheet Table 3 and violates AC/DC specifications-including timing margins and VIH/VIL thresholds.

Is the SOIC package of CY62148G-45SXIT lead-free and RoHS compliant?

Yes. The CY62148G-45SXIT uses a Pb-free 32-pin SOIC package fully compliant with EU RoHS Directive 2011/65/EU and meets JEDEC J-STD-020 moisture sensitivity level 3 (MSL-3) requirements for surface-mount assembly.