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CY7C4225 - 64/256/512/1K/2K/4K x 18 Synchronous FIFOs

Download the CY7C4225 datasheet PDF. This datasheet also covers the CY7C4425 variant, as both devices belong to the same 64/256/512/1k/2k/4k x 18 synchronous fifos family and are provided as variant models within a single manufacturer datasheet.

Description

The CY7C42X5 are high speed, low power, first-in first-out (FIFO) memories with clocked read and write interfaces.

All are 18 bits wide and are pin/functionally compatible to IDT722X5.

The CY7C42X5 can be cascaded to increase FIFO depth.

Features

  • High speed, low power, first-in first-out (FIFO) memories.
  • 64 x 18 (CY7C4425).
  • 256 x 18 (CY7C4205).
  • 512 x 18 (CY7C4215).
  • 1K x 18 (CY7C4225).
  • 2K x 18 (CY7C4235).
  • 4K x 18 (CY7C4245).
  • High speed 100 MHz operation (10 ns read/write cycle time).
  • Low power (ICC = 45 mA).
  • Fully asynchronous and simultaneous read and write operation.
  • Empty, Full, Half Full, and Programmable Almost Empty/Almost Full status flags.
  • TTL compatible.
  • Retransmit.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (CY7C4425-CypressSemiconductor.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
CY7C4221 1 K / 2 K x 9 Synchronous FIFOs Cypress
CY7C4231 1 K / 2 K x 9 Synchronous FIFOs Cypress
CY7C425 256/512/1K/2K/4K x 9 Asynchronous FIFO Cypress
CY7C4281 64K/128K x 9 Deep Sync FIFOs Cypress
CY7C429 256/512/1K/2K/4K x 9 Asynchronous FIFO Cypress

Other Datasheets by Cypress (Infineon)

Part Number Description
CY7C4221V Low-Voltage 64/256/512/1K/2K/4K/8K x 9 Synchronous FIFOs
CY7C4201V Low-Voltage 64/256/512/1K/2K/4K/8K x 9 Synchronous FIFOs
CY7C4205 64/256/512/1K/2K/4K x 18 Synchronous FIFOs
CY7C421 512 x 9 Asynchronous FIFO
CY7C4211V Low-Voltage 64/256/512/1K/2K/4K/8K x 9 Synchronous FIFOs

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
CY7C4425/4205/4215 CY7C4225/4235/4245 64/256/512/1K/2K/4K x 18 Synchronous FIFOs Features ■ High speed, low power, first-in first-out (FIFO) memories ■ 64 x 18 (CY7C4425) ■ 256 x 18 (CY7C4205) ■ 512 x 18 (CY7C4215) ■ 1K x 18 (CY7C4225) ■ 2K x 18 (CY7C4235) ■ 4K x 18 (CY7C4245) ■ High speed 100 MHz operation (10 ns read/write cycle time) ■ Low power (ICC = 45 mA) ■ Fully asynchronous and simultaneous read and write operation ■ Empty, Full, Half Full, and Programmable Almost Empty/Almost Full status flags ■ TTL compatible ■ Retransmit function ■ Output Enable (OE) pin ■ Independent read and write enable pins ■ Center power and ground for reduced noise ■ Supports free running 50% duty cycle clock inputs ■ Width Expansion Capability ■ Depth Expansion Capability ■ Available in 64 pin 14 x 14 T
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