Description:The 71256 5V CMOS SRAM is organized as 32K x 8. The circuit also offers a reduced power standby mode for significant system level power and cooling savings. The low-power (L) version also offers a battery backup data retention capability allowing operation off a 2V battery. Fully static asynchronous circuitry is used; no clocks or refreshes are required for operation. Military grade product is available.
Renesas provides a recommended PCB layout guide in their application note (APL-AN-1201) which includes thermal design considerations, such as using thermal vias, thermal pads, and heat sinks to improve heat dissipation.
To ensure reliable operation in high-temperature environments, it's essential to follow Renesas' recommended operating conditions, use a suitable heat sink, and implement thermal monitoring and protection mechanisms, such as thermal shutdown and over-temperature protection.
Renesas recommends using a combination of ceramic and electrolytic capacitors for power supply decoupling and filtering. The specific values and configurations depend on the application, but a general guideline is to use a 10uF ceramic capacitor and a 100uF electrolytic capacitor in parallel, with a 1Ω resistor in series.
Renesas provides a troubleshooting guide in their application note (APL-AN-1202) which covers common issues, such as power-on reset, clock oscillation, and communication errors. Additionally, using a logic analyzer or oscilloscope can help identify signal integrity issues.
Renesas provides radiation-hardened and high-reliability versions of the 71256L25DB, such as the RH71256L25DB and RL71256L25DB, respectively. These versions have undergone additional testing and qualification for use in harsh environments, such as aerospace and defense applications.
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
71256L25DB Overview
Use the download button to access the 71256L25DB schematic symbol and PCB footprint.
To find more CAD model downloads similar to this part, try a partial part number search, like 71256,
or try a keyword search, such as SRAMs
