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 (APN) documents, which can be found on their website. The guide includes thermal vias, heat sink recommendations, and PCB layer stack-up suggestions to ensure optimal thermal performance.
Renesas recommends a specific power sequencing scheme to ensure proper device operation. This information can be found in the device's user manual or application notes. Typically, the sequence involves powering up the VCCIO and VCC cores in a specific order, followed by the AVCC and DVCC supplies.
Renesas recommends using high-quality, low-ESR decoupling capacitors with a value of 0.1 μF to 1 μF, placed as close as possible to the device's power pins. The capacitor selection should be based on the specific application's requirements and operating frequency.
Renesas provides guidelines for JTAG interface handling during production testing in their device-specific documentation. This includes information on JTAG pin connections, signal levels, and testing procedures to ensure reliable device programming and testing.
Renesas provides thermal design guidelines and thermal models for the 71256S70TDB in their documentation. Engineers should consider factors such as junction temperature, thermal resistance, and heat sink design to ensure the device operates within its specified temperature range.
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71256S70TDB Overview
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