DSP, Micros & Memory


Low-power DDR4X memory IC

25 August 2021 DSP, Micros & Memory

Alliance Memory has expanded its offering of high-speed CMOS mobile low-power SDRAMs with a new LPDDR4X device featuring on-chip ECC. Offering an extension to the company’s fourth-generation LPDDR4 SDRAMs, the 8 Gb AS4C256M32MD4V-062BAN offers ~50% lower power ratings in the 200-ball FBGA package for higher power efficiency.

With low-voltage operation of 0,6 V – compared to 1,1 V for LPDDR4 SDRAMs – the device increases battery life in portable electronics for the consumer, commercial and industrial markets, including smartphones, smart speakers and other IoT devices utilising AI and 5G technologies.

Providing increased efficiency for advanced audio and ultra-high-resolution video in embedded applications, the LPDDR4X SDRAM delivers fast clock speeds of 1,6 GHz for extremely high transfer rates of 3,2 Gbps. For automotive applications – including ADAS systems – the AEC-Q100-qualified devices operate over a temperature range of -40°C to +105°C.

The AS4C256M32MD4V-062BAN is organised as two channels per device, with individual channels consisting of eight banks of 16 bits. The component offers fully synchronous operation; programmable read and write burst lengths of 16, 32 and on-the-fly; and selectable output drive strength. An on-chip temperature sensor controls the self-refresh rate.

Alliance Memory’s LPDDR4X SDRAM provides a reliable drop-in, pin-for-pin-compatible replacement for numerous similar solutions in high-bandwidth, high-performance memory system applications – eliminating the need for costly redesigns and part requalification.


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