Description:The 70V35 is a high-speed 8K x 18 Dual-Port Static RAM designed to be used as a stand-alone Dual-Port RAM or as a combination MASTER/SLAVE Dual-Port RAM for 36-bit or wider memory system applications results in full-speed, error-free operation without the need for additional discrete logic. An automatic power down feature controlled by CE permits the on-chip circuitry of each port to enter a very low standby power mode.
Renesas provides a recommended PCB layout guide in their application note (R01AN3804EJ0100) which includes thermal design considerations, such as placing thermal vias under the package and using a solid ground plane to reduce thermal resistance.
To ensure reliable operation in high-temperature environments, it's essential to follow the recommended operating conditions, use a suitable heat sink, and implement thermal management techniques such as thermal throttling or reducing power consumption during high-temperature periods.
The 70V35L20PFGI requires a stable input power supply with a voltage range of 1.14V to 1.26V, and a maximum current of 1.5A. It's recommended to use a low-dropout regulator (LDO) or a switching regulator with a high power supply rejection ratio (PSRR) to minimize noise and ripple.
To optimize the clock tree, it's recommended to use a clock tree synthesis tool, such as the Renesas Clock Tree Synthesis Tool, to generate a balanced and optimized clock tree. Additionally, using a clock buffer with a low skew and jitter, such as the Renesas Clock Buffer (Renesas part number: R5F100LEAFL#V0), can help minimize skew and jitter.
To ensure EMC and EMI compliance, it's essential to follow the recommended PCB layout and design guidelines, use a shielded enclosure, and implement EMI filtering and shielding techniques, such as using ferrite beads and shielding cans. Additionally, Renesas provides an EMC design guide (R01AN3805EJ0100) that provides detailed guidelines for EMC and EMI compliance.
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70V35L20PFGI Overview
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