Infineon Technologies CY7C144-15AXI

Mfr. Part

CY7C144-15AXI

Manufacturer

Cypress Semiconductor (Infineon Technologies)

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Detailed Description

64Kbit dual‑port asynchronous SRAM organized as 8K x 8. 15 ns access time for reads and writes. 5 V operation (4.5 V to 5.5 V). Industrial temperature grade −40°C to +85°C. Parallel interface. Surface‑mount 64‑pin TQFP/LQFP, body 14 x 14 mm. RoHS3 compliant. Supplied in trays.

Key Features

Dual independent ports for true concurrent access by two processors or controllers

Asynchronous parallel interface for simple, low‑latency memory transactions

15 ns access and 15 ns write cycle for fast read/write operations

8K x 8 organization for byte‑wide data paths

Wide 5 V supply range 4.5 V to 5.5 V for legacy and industrial systems

Industrial temperature −40°C to +85°C for reliable operation in harsh environments

Standard 64‑pin TQFP/LQFP footprint for easy PCB integration

RoHS3 compliant and lead‑free terminals

Key Advantages

Enables smooth processor‑to‑processor communication without bus contention

Deterministic timing and very low latency compared to shared bus solutions

Drop‑in friendly for many 5 V systems and retrofits

Robust over temperature, ideal for factory automation and field equipment

Mature technology with stable performance and proven reliability

Simple interface reduces firmware and hardware complexity

Available stock at Y-IC to support immediate builds

Packaging

Type 64‑pin TQFP and LQFP low‑profile quad flat package

Material Molded epoxy plastic body with lead‑free plated gull‑wing leads

Size Body 14 x 14 mm, low‑profile height; typical lead pitch 0.8 mm

Mounting Surface‑mount, compatible with standard reflow profiles

Pin configuration Two symmetrical ports with separate address, data, and control pins per port; common power and ground pins; typical dual‑port arbitration pins present in this class (for example busy or semaphore signals). Refer to the datasheet for the full pinout.

Thermal characteristics Qualified for −40°C to +85°C ambient operation; low‑power SRAM dissipates minimal heat in typical use. For detailed thermal resistance values and derating, see the datasheet.

Electrical properties Supply 4.5 V to 5.5 V, memory size 64Kbit (8K x 8), access time 15 ns, write cycle 15 ns, parallel interface, volatile storage. Inputs and I/O compatible with 5 V CMOS/TTL levels. See datasheet for exact VIH/VIL/VOH/VOL and current specs.

Lifecycle

This is a mature dual‑port SRAM family. Availability can vary by region and date, and some speed or package variants may be subject to limited supply or last‑time‑buy windows. Y-IC can confirm the latest lifecycle status on request.

Potential alternatives to evaluate in the same application class include Renesas/IDT 8K x 8 dual‑port asynchronous SRAM families (for example IDT715x series) and other Infineon/Cypress dual‑port SRAMs of similar density and speed. Compatibility depends on pinout, voltage, timing, and control features; always verify against the datasheet.

If you need a pin‑compatible or form‑fit‑function equivalent, contact our sales team via Y-IC.com for a detailed cross‑reference and the best replacement options.

Key Application Areas

Multi‑processor and MCU‑to‑MCU communication buffers

Shared memory for DSP co‑processing and data exchange

Industrial control, motion control, and PLC subsystems

Telecommunications and networking line cards and bridges

FPGA and ASIC interfacing for concurrent data access

Legacy 5 V embedded systems maintenance and upgrades

High‑speed data logging and frame buffering

Datasheet

Y-IC hosts the most authoritative datasheet for CY7C144-15AXI on our product page. We recommend downloading it now to get the complete pinout, timing diagrams, electrical limits, and layout guidelines.

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