Infineon Technologies CY7C1041G30-10BVXIT

Overview

CY7C1041G30-10BVXIT from Infineon Technologies (formerly Cypress) is a 4-Mbit (256K × 16) asynchronous static RAM with embedded single-bit error-correcting code (ECC), operating at 10 ns access time over 2.2 V–3.6 V supply, featuring ERR output for real-time error indication and TTL-compatible I/Os. It serves as a high-reliability memory buffer in industrial control modules requiring data integrity under radiation-prone or long-term operation conditions.

For engineers reviewing the CY7C1041G30-10BVXIT datasheet, CY7C1041G30-10BVXIT pinout, CY7C1041G30-10BVXIT application, or CY7C1041G30-10BVXIT equivalent, key selection criteria include ECC-enabled read reliability, 10 ns tAA timing at 3.0 V, VFBGA-48 package footprint compatibility, and ERR pin behavior during single-bit correction events.

Technical Context

The device implements a dedicated on-die ECC encoder/decoder pair that detects and corrects single-bit errors per 16-bit word without external logic. Error detection triggers the open-drain ERR output HIGH during read cycles, with no automatic write-back support.

It supports byte-level writes via independent BHE (I/O8–I/O15) and BLE (I/O0–I/O7) controls, and enters low-power standby (ISB2 = 6 mA typical) when CE is deasserted under CMOS input conditions. Memory array organization is fixed at 256K words × 16 bits, with address inputs A0–A17.

Key Specifications

Pinout & Package

48-ball Very Thin Fine-Pitch Ball Grid Array (VFBGA) package, 6 mm × 8 mm × 1.0 mm body, 0.8 mm ball pitch, Pb-free, RoHS-compliant. Pin mapping conforms to Figure 2 in datasheet 001-91368 Rev. *N.

Key Features

Applications

Equivalent & Alternatives

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

Compared with AS7C34096B-10TIN and IS61WV25616EDBLL-10MLI, CY7C1041G30-10BVXIT uniquely delivers both deterministic 10 ns ECC read latency and hardware ERR signaling in a space-optimized VFBGA, reducing system-level verification burden for safety-critical memory paths.

Availability

CY7C1041G30-10BVXIT is available at Aetrix Electronics and suitable for industrial PLC memory buffers, radiation-tolerant telemetry storage, and medical imaging frame buffers requiring stable component supply across extended product lifecycles.

Supply support for CY7C1041G30-10BVXIT 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

Infineon Technologies is a global semiconductor leader headquartered in Munich, Germany, specializing in power systems, sensors, and memory solutions for industrial, automotive, and aerospace applications.

CY7C1041G30-10BVXIT belongs to Infineon's legacy Cypress SRAM portfolio, designed specifically for high-integrity embedded systems where data reliability outweighs cost sensitivity and where hardware-accelerated ECC is mandatory.

FAQ

Does CY7C1041G30-10BVXIT support automatic error correction write-back?

No. The device performs single-bit error correction transparently during read cycles but does not automatically rewrite corrected data to the memory array. External logic or firmware must initiate a write cycle to persist the corrected value if required. This design minimizes write amplification and preserves memory endurance.

What is the function of the ERR pin during normal (error-free) operation?

During error-free reads, the ERR pin remains in high-impedance state and must be pulled up externally (typically 10 kΩ to VCC). It asserts HIGH only for the duration of a read cycle where a single-bit error is detected and corrected. No debouncing or filtering is required due to synchronous assertion timing.

Can CY7C1041G30-10BVXIT operate at 1.8 V?

No. The "30" suffix denotes the 2.2 V–3.6 V voltage grade. Operation at 1.8 V falls outside specification and violates the minimum 2.2 V requirement. For 1.65 V–2.2 V operation, the CY7C1041G18-15BVXIT variant must be used, which has 15 ns access time.

Is the VFBGA-48 package (BVXI) compatible with standard reflow profiles?

Yes. The Pb-free BVXI package is qualified for IPC/JEDEC J-STD-020D moisture sensitivity level 3 and supports standard lead-free reflow profiles with peak temperature ≤260 °C. Board layout must observe 0.8 mm ball pitch and use solder mask defined pads per Infineon's package drawing 001-91368.