New Product Introduction

Alliance Memory CY62256 series

Readily Available Drop-In Replacements for Micron's CY62256 Low-Power SRAMs by Alliance Memory

Alliance Memory CY62256NLL product image

When Cypress Semiconductor Corporation issued a product termination notification for its CY62256 series — a mainstream SRAM product that is still used by thousands of customers throughout the world — Alliance Memory purchased the following part numbers directly from the company: CY62256NLL-55SNXI, CY62256NLL-55SNXIT, CY62256NLL-70PXC, CY62256NLL-70SNXC, and CY62256NLL-70SNXCT. Alliance and Cypress have worked together to extend the life of this product by Alliance buying the remaining stock from Cypress. The part numbers above are now in Alliance stock and can be supported through Alliance only as Cypress has already announced EOL and had the last time buy.

In addition, Alliance is providing direct replacements for the devices: the AS6C62256-55SIN,  AS6C62256-55SINTR, and AS6C62256-55PCN LPSRAMs. The 32K x 8 devices are fabricated using very high-performance, high-reliability CMOS technology, and their standby current is stable within the range of operating temperature. Making products like these available after they’ve been discontinued by other manufacturers is Alliance Memory’s mission, and the company is committed to producing these particular low-power SRAM devices for many years into the future.


  • 55ns access time
  • Low power consumption
    • 15mA typical operation current
    • 1µA typical standby current
  • Wide power supply range of 2.7V to 5.5V
  • All inputs and outputs are TTL compatible
  • Fully static operation
  • Tri-state output
  • 1.5V minimum data retention voltage
  • 28-pin PDIP, SOP, and sTSOP package


  • Low-power applications
  • Battery back-up nonvolatile memory

Ordering information

  • AS6C62256-55SIN
  • AS6C62256-55SINTR
  • AS6C62256-55SCN
  • AS6C62256-55SCNTR
  • AS6C62256-55PCN

Related product information

Original Cypress Part Number Alliance Memory Direct Replacement
CY62256NLL-55SNXI AS6C62256-55SIN
CY62256NLL-55SNXIT AS6C62256-55SINTR
CY62256NLL-70SNXC AS6C62256-55SIN
CY62256NLL-70SNXCT AS6C62256-55SINTR
CY62256VNLL-70NXI AS6C62256-55SIN
CY62256NLL-70PXC AS6C62256-55PCN


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