Infineon Technologies CY7C09379V-12AXC

Mfr. Part

CY7C09379V-12AXC

Manufacturer

Cypress Semiconductor (Infineon Technologies)

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Detailed Description

Synchronous dual-port SRAM for high-speed shared memory

Density 576 Kbit with organization 32K x 18

Parallel interface, 3.0 V to 3.6 V supply

50 MHz clock, 12 ns access time

Commercial operating temperature 0 to 70 C

100-pin TQFP or LQFP body size 14 x 14 mm

RoHS3 compliant

Surface-mount, supplied in tray packaging

Base product number CY7C09379

Key Features

True dual-port architecture with independent A and B ports

Both ports can read or write simultaneously with conflict management

Synchronous operation with clocked control for clean timing closure

Hardware semaphores for safe resource sharing between ports

Busy flags and arbitration logic to resolve simultaneous access

Byte write enables for fine-grained data updates on the 18-bit port

Separate clocks and control signals per port for flexible timing

CMOS-compatible I/O, low-latency 12 ns access

Simple parallel interface for easy FPGA, DSP, and MCU integration

Key Advantages

Fast, deterministic shared memory without complex bus sharing

Two masters access the same SRAM at the same time for higher throughput

Built-in arbitration and semaphores reduce software complexity and bugs

Predictable timing improves design reliability in real-time systems

Mature Cypress dual-port technology with broad ecosystem familiarity

Shortens development time compared to custom interconnect solutions

Packaging

Type 100-pin TQFP or LQFP low-profile quad flat package

Body size approximately 14 mm x 14 mm

Mounting surface mount with gull-wing leads

Typical lead pitch in the TQFP class, designed for standard SMT lines

Supplier device package listed as 100-TQFP 14 x 14

Shipping package Tray for secure handling and assembly flow

Pin configuration includes per-port address bus, data bus, and control pins plus arbitration and status signals

- Typical signals per port include address, 18-bit data, CE, OE, R/W, CLK, byte enable, BUSY, SEM, and interrupt pins

Thermal characteristics plastic LQFP/TQFP with good heat spreading via PCB copper. Operates from 0 to 70 C ambient. Follow datasheet recommendations for decoupling and airflow as frequency and load increase

Electrical properties 3.0 V to 3.6 V Vcc, CMOS-level I/O, 50 MHz clock, synchronous control inputs, 12 ns read access. Use local decoupling capacitors near power pins and solid ground planes

Lifecycle

Status mature and widely used. No public notice of near-term discontinuation as of current information

Availability can vary by region and demand. Y-IC can confirm latest lifecycle and stock

Equivalent or alternative models within the same family and options

- CY7C09379V-10AXC similar function with faster 10 ns speed grade

- CY7C09379V-15AXC similar function with 15 ns speed grade

- CY7C09379V-12AXI industrial temperature option if required

- CY7C09379V variants with different package or lead finish codes depending on compliance and temperature

- Other Cypress synchronous dual-port SRAM families with different widths or depths, for example x36 versions or larger densities, if your design needs more bandwidth or capacity

- Cross-vendor options may exist in Renesas IDT synchronous dual-port SRAM families with comparable organization. Exact pin compatibility and timing must be verified

If you need a drop-in equivalent or a curated cross-reference list, contact our sales team via the Y-IC website for detailed guidance

Key Application Areas

Shared memory between FPGA and microcontroller

Processor to DSP high-speed data exchange

Network switching and packet buffering

Telecom baseband, framers, and MAC layer queues

Industrial control, motion coordination, and robotics

Video and image processing pipelines and frame buffers

Medical equipment subsystems communication

Test and measurement instruments needing deterministic dual access

Datasheet

Y-IC hosts the most authoritative datasheet for CY7C09379V-12AXC on our product page

Download the datasheet now to get pinouts, timing diagrams, power design tips, and application notes

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