CY7C4221集成电路（IC）的FIFO存储器规格书PDF中文资料

CY7C4221属于集成电路（IC）的FIFO存储器。由赛普拉斯半导体公司制造生产的CY7C4221FIFO 存储器先入先出 (FIFO) 存储器可用于数字信息的短期存储，其中信息检索顺序和序列与信息存储顺序和序列相同。这类产品又称为队列或缓冲存储器，通常用于在单独的设备之间交换信息，尤其是在数据以不同的速率或在略微不同的时间点生成和使用的情况下。

Functional Description

The CY7C42X1 are high speed, low power FIFO memories with clocked read and write interfaces. All are 9 bits wide. The CY7C42X1 are pin-compatible to IDT722X1. Programmable features include Almost Full/Almost Empty flags. These FIFOs provide solutions for a wide variety of data buffering needs, including high speed data acquisition, multiprocessor interfaces, and communications buffering.

特性 Features

■ High speed, low power, First-In First-Out (FIFO) memories

❐ 64 × 9 (CY7C4421)

❐ 256 × 9 (CY7C4201)

❐ 512 × 9 (CY7C4211)

❐ 1K × 9 (CY7C4221)

❐ 2K × 9 (CY7C4231)

❐ 4K × 9 (CY7C4241)

❐ 8K × 9 (CY7C4251)

■ High speed 100 MHz operation (10 ns read/write cycle time)

■ Low power (ICC = 35 mA)

■ Fully asynchronous and simultaneous read and write operation

■ Empty, Full, and Programmable Almost Empty and Almost Full

status flags

■ TTL-compatible

■ Expandable in width

■ Output Enable (OE) pin

■ Independent read and write enable pins

■ Center power and ground pins for reduced noise

■ Width-expansion capability

■ Space saving 7 mm × 7 mm 32-pin TQFP

■ Pin-compatible and functionally equivalent to IDT72421,

72201, 72211, 72221, 72231, and 72241

■ Pb-free Packages Available