Description:The 70V659 is a high-speed 128K x 36 Asynchronous 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 72-bit-or-more word system. Using the IDT MASTER/SLAVE Dual-Port RAM approach in 72-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 the chip enables (either CE0 or CE1) permit the on-chip circuitry of each po
Renesas provides a recommended PCB layout guide in their application notes (e.g., AN9834) and design guides (e.g., DG0034). It's essential to follow these guidelines to ensure optimal performance, minimize noise, and reduce EMI.
The 70V659S12BFGI has an internal POR and BOD circuit. To implement POR, connect the VCC pin to a power source, and the device will automatically reset when the voltage falls below the POR threshold. For BOD, connect the VCC pin to a power source, and the device will reset when the voltage falls below the BOD threshold. You can also use external POR and BOD circuits if needed.
The maximum clock frequency for the 70V659S12BFGI is 12 MHz. However, the actual clock frequency may vary depending on the specific application and system requirements.
To configure the 70V659S12BFGI for low-power operation, use the power-down mode (PD) and idle mode (IDLE). In PD mode, the device enters a low-power state, and in IDLE mode, the device reduces power consumption while still allowing some peripherals to operate. You can also use the clock gating feature to reduce power consumption further.
The recommended operating temperature range for the 70V659S12BFGI is -40°C to +85°C. However, the device can operate at temperatures up to +105°C for short periods (e.g., during power-up or power-down). Always check the datasheet and application notes for specific temperature-related guidelines.
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70V659S12BFGI Overview
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