SN74ACT2235 - 1024 x 9 x 2 双向异步 FIFO 存储器

SN74ACT2235是TI德州仪器公司的一款FIFO寄存器产品，SN74ACT2235是1024 x 9 x 2 双向异步 FIFO 存储器，本站介绍了SN74ACT2235的封装应用图解、特点和优点、功能等，并给出了与SN74ACT2235相关的TI元器件型号供参考。

SN74ACT2235 - 1024 x 9 x 2 双向异步 FIFO 存储器 - FIFO寄存器 - 触发器/锁存器/寄存器 - 德州仪器

产品描述

A FIFO memory is a storage device that allows data to be written into and read from its array at independent data rates. The SN74ACT2235 is arranged as two 1024 × 9-bit FIFOs for high speed and fast access times. It processes data at rates up to 50 MHz, with access times of 25 ns in a bit-parallel format.

The SN74ACT2235 consists of bus-transceiver circuits, two 1024 × 9-bit FIFOs, and control circuitry arranged for multiplexed transmission of data directly from the data bus or from the internal FIFO memories. Enable (GAB and GBA) inputs are provided to control the transceiver functions. The select-control (SAB and SBA) inputs are provided to select whether real-time or stored data is transferred. The circuitry used for select control eliminates the typical decoding glitch that occurs in a multiplexer during the transition between stored and real-time data. Figure 2 shows the eight fundamental bus-management functions that can be performed with the SN74ACT2235.

For more information on this device family, see the application report, 1K × 9 × 2 Asynchronous FIFO SN74ACT2235, literature number SCAA010.

The SN74ACT2235 is characterized for operation from 0°C to 70°C.

产品特性

Independent Asynchronous Inputs and Outputs
Low-Power Advanced CMOS Technology
Bidirectional
Dual 1024 by 9 Bits
Programmable Almost-Full/Almost-Empty Flag
Empty, Full, and Half-Full Flags
Access Times of 25 ns With a 50-pF Load
Data Rates up to 50 MHz
Fall-Through Times of 22 ns Maximum
High Output Drive for Direct Bus Interface
Package Options Include 44-Pin Plastic Leaded Chip Carriers (FN) and 64-Pin Thin Quad Flat (PAG, PM) Packages

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