CY7C1339A-83AC

Product Overview

The CY7C1339A-83AC from Cypress Semiconductor Corp is a synchronous, single-data-rate SRAM device organized as 128K x 32, providing 4 Mbit of volatile memory. It uses a parallel memory interface and supports a clock frequency of 83 MHz, with a specified access time of 6 ns. The IC operates from a 3.15 V to 3.6 V supply and is offered in a surface-mount 100-LQFP package, with a 100-TQFP (14x20) package designation. Its organization and timing characteristics are relevant to embedded systems requiring synchronous random-access storage.

Key Features

• 4 Mbit volatile SRAM with 128K x 32 organization
• Synchronous, single-data-rate (SDR) SRAM technology
• Parallel memory interface with 83 MHz clock frequency
• 6 ns access time
• 3.15 V to 3.6 V supply voltage range
• 0°C to 70°C operating temperature (TA)
• Surface-mount 100-LQFP package; 100-TQFP (14x20) package designation

Applications

• Buffering of 32-bit data words in embedded processing systems
• Temporary storage for lookup tables or system parameters in synchronous digital designs
• Parallel-bus memory expansion for controllers that require synchronous SRAM access
• Data staging in systems using an 83 MHz synchronous parallel memory interface

Design & Procurement Notes

Design considerations include matching the 3.15 V to 3.6 V supply, respecting the 0°C to 70°C TA range, and implementing the 100-TQFP (14x20) surface-mount footprint. The 128K x 32 organization and parallel interface require address, data, and control routing compatible with synchronous SDR SRAM timing, including the 83 MHz clock and 6 ns access time. For procurement, verify that the selected package footprint and PCB land pattern match the 100-LQFP form factor and assembly process.