Infineon Technologies CY7C1460KVE25-250AXC

Overview

CY7C1460KVE25-250AXC from Cypress Semiconductor is a 36-Mbit (1M × 36) synchronous pipelined SRAM with NoBL™ architecture, on-chip ECC, 2.5 V core/I/O supply, and 250 MHz zero-wait-state operation. It supports back-to-back read/write cycles with 2.5 ns clock-to-output time and is packaged in Pb-free 100-pin TQFP for high-reliability networking and telecom data buffering.

For engineers reviewing the CY7C1460KVE25-250AXC datasheet, CY7C1460KVE25-250AXC pinout, CY7C1460KVE25-250AXC application, or CY7C1460KVE25-250AXC equivalent, key selection criteria include burst mode support (linear/interleaved), byte-write capability via BWa–BWd, synchronous self-timed writes, JTAG boundary scan compliance, and ECC-enabled soft error mitigation in mission-critical memory subsystems.

Technical Context

This SRAM implements fully registered pipelined I/O with all inputs and outputs synchronized to the rising edge of CLK, qualified by CEN. Its NoBL™ logic eliminates bus latency by enabling true back-to-back operations without wait states, achieving sustained 250 MHz throughput.

The device integrates on-chip ECC encoding/decoding for single-bit error correction and double-bit error detection, reducing SER in radiation-prone environments. It supports both linear and interleaved burst orders, with ADV/LD controlling address counter advancement or new address loading under CEN control.

Key Specifications

Pinout & Package

Packaged in JEDEC-standard Pb-free 100-pin TQFP (14 mm × 20 mm, 0.5 mm pitch), the CY7C1460KVE25-250AXC features fully synchronous I/O with dedicated byte-write controls, parity I/O lines (DQPa–DQPd), and three chip enables (CE1, CE2, CE3) for flexible bank decoding.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-speed pipelined SRAM applications.

Compared with CY7C1460KV25-250AXC and IDT72V2115L10PF, the CY7C1460KVE25-250AXC uniquely delivers 250 MHz zero-wait-state operation with integrated ECC in a 100-pin TQFP - making it the sole option for new designs requiring both high throughput and radiation-tolerant memory integrity.

Availability

CY7C1460KVE25-250AXC is available at Aetrix Electronics and suitable for telecom line cards, network packet buffers, industrial PLCs, and avionics data recorders requiring stable component supply across extended product lifecycles.

Supply support for CY7C1460KVE25-250AXC 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-performance memory, microcontrollers, and connectivity solutions for industrial, automotive, and communications markets.

The CY7C1460KVE25 belongs to Cypress's NoBL™ SRAM product line, engineered specifically for deterministic, high-bandwidth memory interfacing in networking infrastructure and real-time control systems where latency predictability and data integrity are non-negotiable.

FAQ

What is the function of the MODE pin on CY7C1460KVE25-250AXC?

The MODE pin selects burst order configuration: logic HIGH enables linear burst addressing, while LOW selects interleaved burst order. This setting determines how the internal address counter increments during burst accesses and must be stable before initiating a burst sequence. It directly affects compatibility with host processor burst protocols such as those used in PowerPC or MIPS-based network processors.

Does CY7C1460KVE25-250AXC support asynchronous output enable (OE) during burst reads?

Yes - OE is asynchronous and active-low, allowing dynamic tristating of DQ/DQP lines mid-burst. However, during the data portion of a write cycle, OE is masked and outputs are automatically tristated regardless of OE state. This prevents bus contention without requiring precise OE timing coordination with write strobes.

How does the ZZ sleep mode interact with on-chip ECC functionality?

In ZZ mode, the device enters low-power standby while retaining all stored data and ECC state; ECC remains fully functional upon wake-up. The sleep control logic preserves parity bits and internal registers, ensuring that subsequent reads immediately benefit from error correction without initialization delay or data reload.

Can CY7C1460KVE25-250AXC operate in 2M × 18 configuration, and how is it enabled?

Yes - the device supports 2M × 18 mode by using A0–A18 for addressing and treating DQa/DQb/DQc/DQd as 18-bit data plus parity. Configuration is determined by system address mapping and ADV/LD timing; no mode pin or register setting is required. The same physical package and pinout serve both configurations, simplifying board design reuse.