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Alliance Memory

Manufacturer of Legacy Memory SRAM, DRAM, and Flash ICs

November 21, 2018

New x8, x16, and x32 512Mb Monolithic CMOS SDRAMs

The News: Alliance Memory extends its offering of 512Mb high-speed CMOS SDRAMs with new monolithic 64M x 8 (AS4C64M8SC-7TIN) and 32M x 16 (AS4C32M16SC-7TIN) devices in the 54-pin 400-mil plastic package, and a 16M x 32 (AS4C16M32SC-7TIN) device in the 86-pin TSOP II package.

Part Numbers: AS4C64M8SC-7TIN, AS4C32M16SC-7TIN, and AS4C16M32SC-7TIN

Key Specifications and Benefits:

  • 64M x 8, 32M x 16, and 16M x 32 configurations
  • Offered in 54-pin and 86-pin TSOP II packages
  • LVTTL interface
  • Single +3.3-V (± 0.3 V) power supply
  • Power down mode lowers power consumption
  • Data mask for read/write control
  • Fast clock rates to 133 MHz
  • Available in an industrial temperature range of -40 °C to +85 °C
  • Fully synchronous with the positive clock edge
  • Support sequential and interleave burst types with read or write burst lengths of 1, 2, 4, 8, or full page
  • 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
  • Programmable mode register allows the system to choose the most suitable modes to maximize performance
  • Lead (Pb)- and halogen-free

Target Applications:

  • General-purpose computing, medical, industrial, point-of-sale, automotive, and telecom applications requiring high memory bandwidth

The Context: Fully synchronous with the positive clock edge, the AS4C64M8SC-7TIN, AS4C32M16SC-7TIN, and AS4C16M32SC-7TIN deliver faster performance than DRAMs in applications requiring high memory bandwidth. With minimal die shrinks, they can provide reliable drop-in, pin-for-pin-compatible replacements for numerous similar solutions, eliminating the need for costly redesigns and part requalification.

Availability: Samples and production quantities of the new SDRAMs are available now, with lead times of eight weeks for large orders.

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US Headquarters

Alliance Memory, Inc
12815 NE 124th St, Suite D
Kirkland, WA 98034
Tel: +1 (425) 898-4456
Fax +1 (425) 896-8628




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