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BUY CY62256LL-70PXC https://www.utsource.net/itm/p/843826.html
256K 32K x 8 Static RAM
Description: CY62256LL-70PXC is a 28-pin DIP SRAM manufactured by Cypress Semiconductor. It is a low-power, low-voltage static random access memory (SRAM) device. Features: 256K x 8-bit organization Low-power CMOS technology Single 5V ± 10% power supply Fast access time: 70ns Low standby current: 5μA (max) TTL compatible inputs and outputs Fully static operation Automatic power-down when deselected Data retention voltage: 2.0V (min) Applications: Automotive Industrial Consumer Medical Networking Embedded systems Data acquisition systems Robotics (For reference only)