Description:The 71V124 3.3V CMOS SRAM is organized as 128K x 8. The JEDEC center power/GND pinout reduces noise generation and improves system performance. All bidirectional inputs and outputs of the 71V124 are LVTTL-compatible and operation is from a single 3.3V supply. Fully static asynchronous circuitry is used; no clocks or refreshes are required for operation.
Renesas provides a recommended PCB layout guide in their application notes (e.g., AN9711) and evaluation board documentation. It's essential to follow these guidelines to ensure proper signal integrity, power supply decoupling, and thermal management.
The 71V124SA15TYG8 has a thermal junction-to-ambient resistance (RθJA) of 24°C/W. To manage thermal issues, use a heat sink, ensure good airflow, and follow Renesas' thermal design guidelines. You can also consider using thermal interface materials and thermal vias on the PCB.
The input clock signal should have a frequency range of 10 MHz to 33.33 MHz, with a duty cycle of 40% to 60%. The clock signal should also meet the specified jitter and rise/fall time requirements outlined in the datasheet.
Renesas recommends using an external POR circuit with a voltage supervisor IC (e.g., Renesas' RP108 series) to ensure a reliable power-on reset. The POR circuit should be designed to detect the power supply voltage and generate a reset signal to the 71V124SA15TYG8.
To ensure EMC and EMI compliance, follow Renesas' guidelines for PCB layout, component selection, and shielding. Use a metal shield or a shielded enclosure, and consider using EMI filters or common-mode chokes on the I/O lines.
Trust Checks
This model has been built in collaboration with the manufacturer.
Manufacturer Collaborated
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
71V124SA15TYG8 Overview
Use the download button to access the 71V124SA15TYG8 schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like 71V12,
or try a keyword search, such as SRAMs
