Alliance Memory New SDRAM Speeds

October 22, 2024 by
Alliance Memory New SDRAM Speeds
ARCO, INC., Michael Salerno

New 8Gb, 16Gb, and 32Gb CMOS DDR4 SDRAMs


Alliance Memory has expanded its portfolio of CMOS DDR4 SDRAMs with six new 8Gb, 16Gb, and 32Gb devices in 78-ball FBGA and 96-ball FBGA packages.

Part Numbers:

  • AS4C512M16D4B-62BCN
  • AS4C1G8D4B-62BCN
  • AS4C1G16D4A-62BCN
  • AS4C2G8D4A-62BCN
  • AS4C2G16D4-62BCN
  • AS4C4G8D4-62BCN

Key Specifications and Benefits:

  • Offered in densities of 8Gb, 16Gb, and 32Gb
  • Low voltage operation of +1.2V (±0.06V)
  • Built on an 8n-prefetch architecture
  • Fast clock speeds of 1600MHz and transfer rates of 3200 MT/s
  • Support sequential and interleave burst types
    • Read or write burst lengths of BC4, BL8, and on the fly
    • Auto pre-charge function provides a self-timed row pre-charge initiated at the end of the burst sequence
  • Easy-to-use refresh functions include auto- or self-refresh
  • Offered in 78-ball FBGA and 96-ball FBGA packages


Target Applications:

  • 5G and IoT designs
  • Portable electronics such as smartphones and tablets
  • Computing applications; surveillance, gaming, and networking storage systems; smart meters; and human-machine interfaces (HMI), digital signal controllers, and PNDs

The Context:

Providing Alliance Memory’s customers with higher-density options for a wide range of applications, the AS4C512M16D4B-62BCN, AS4C1G8D4B-62BCN, AS4C1G16D4A-62BCN, AS4C2G8D4A-62BCN, AS4C2G16D4-62BCN, and AS4C4G8D4-62BCN are built on a new process technology to deliver improved performance — with lower power consumption and higher speeds and transfer rates — at a lower cost.

With minimal die shrinks, the DDR4 SDRAMs provide reliable drop-in, pin-for-pin-compatible replacement for numerous similar solutions — eliminating the need for costly redesigns and part requalification. Offered in the commercial (0°C to +95°C) temperature range, the devices are ideal for the industrial, networking, telecommunications, gaming, and consumer markets.

Availability:  Samples and production quantities of the new CMOS DDR4 SDRAMs are available now, with lead times of 4 weeks.

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