Infineon Technologies CY7C1069G-10BVXIT

Overview

CY7C1069G-10BVXIT from Cypress Semiconductor is a 16-Mbit (2M × 8) CMOS static RAM with embedded single-bit error-correcting code (ECC), TTL-compatible I/O, 10 ns access time, and dual chip enable (CE1/CE2) architecture. It operates across three voltage ranges (1.65–2.2 V, 2.2–3.6 V, 4.5–5.5 V), supports 1.0-V data retention, and features an ERR pin for ECC event indication - deployed in mission-critical industrial control memory buffers requiring fault-resilient data storage.

For engineers reviewing the CY7C1069G-10BVXIT datasheet, CY7C1069G-10BVXIT pinout, CY7C1069G-10BVXIT application, or CY7C1069G-10BVXIT equivalent, key selection criteria include verified ECC correction behavior, TSOP II package pin mapping, dual CE timing compatibility, and ISB2 ≤ 20 mA standby current under industrial temperature conditions.

Technical Context

The device implements a synchronous, address-decoded SRAM array with integrated ECC encoder/decoder logic that detects and corrects single-bit errors on read access without host intervention. Its dual chip enable (CE1 LOW + CE2 HIGH) enables hierarchical memory banking, while the ERR output asserts high only upon successful single-bit correction - not detection-only events.

It uses standard TTL-level input thresholds and drives compatible outputs, supporting seamless integration into legacy 5-V or modern low-voltage microcontroller buses. The 21-bit address bus (A0–A20) and 8-bit bidirectional I/O (I/O0–I/O7) align with industry-standard parallel SRAM interfaces, and all I/O enter high-Z during deselect, write, or OE disable.

Key Specifications

Pinout & Package

Package: 54-pin TSOP II (Thin Small Outline Package, Type II) with center power/ground pinout - optimized for signal integrity and thermal dissipation in high-density PCB layouts.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar ECC-enabled parallel SRAM applications.

Compared with IS61WV20488BLL-10MLI and MT45W8MW16BG-10QD, CY7C1069G-10BVXIT delivers autonomous, zero-latency ECC correction within a pin-compatible parallel SRAM interface - critical for deterministic real-time systems where host CPU intervention cannot be scheduled.

Availability

CY7C1069G-10BVXIT is available at Aetrix Electronics and suitable for industrial PLC memory buffers, railway signaling data loggers, medical imaging frame stores, and avionics health monitor caches requiring stable component supply across extended product lifecycles.

Supply support for CY7C1069G-10BVXIT 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

Cypress Semiconductor (now part of Infineon Technologies) is a fabless semiconductor company specializing in high-reliability memory, PSoC programmable systems-on-chip, and USB/USB-C solutions for industrial and automotive markets.

CY7C1069G belongs to Cypress's legacy parallel SRAM portfolio designed specifically for fault-tolerant embedded systems needing deterministic timing, ECC resilience, and multi-voltage interoperability without external support circuitry.

FAQ

Does CY7C1069G-10BVXIT support automatic error correction without host processor involvement?

Yes. The device performs single-bit error detection and correction autonomously on every read access using on-die ECC logic. The corrected data appears on I/O pins without CPU intervention, and the ERR pin signals successful correction. No firmware or external logic is required for basic ECC operation.

What is the function of the dual chip enable (CE1 and CE2) inputs?

CE1 and CE2 operate as a logical AND: the device is selected only when CE1 is LOW and CE2 is HIGH. This configuration enables hierarchical memory decoding - for example, CE2 may be driven by a high-order address decoder while CE1 responds to local chip select, reducing external gate count.

Can CY7C1069G-10BVXIT retain data at 1.0 V, and under what conditions?

Yes. Data retention is guaranteed at VCC = 1.0 V across the full industrial temperature range (–40 °C to +85 °C). This applies only during standby (all controls inactive), with no current draw other than leakage, and requires no clock or refresh - enabling true zero-power hold mode.

Is the ERR pin open-drain, and how should it be terminated?

Yes. ERR is an open-drain output requiring an external pull-up resistor to VCC. When a single-bit error is detected and corrected, ERR asserts HIGH; otherwise, it remains floating. Leaving ERR unconnected is acceptable if error reporting is unused, per datasheet Note 3.