描述 Description

The IDT7005 is a high-speed 8K x 8 Dual-Port Static RAM. The IDT7005 is designed to be used as a stand-alone 64K-bit Dual-Port RAM or as a combination MASTER/SLAVE Dual-Port RAM for 16-bit-or-more word systems. Using the IDT MASTER/SLAVE Dual-Port RAM approach in 16-bit or wider memory system applications results in full speed, error-free operation without the need for additional discrete logic.

特性 Features

◆ True Dual-Ported memory cells which allow simultaneous reads of the same memory location

◆ High-speed access

– Military: 20/25/35/55/70ns (max.)

– Industrial: 20/35/55ns (max.)

– Commercial:15/17/20/25/35/55ns (max.)

◆ Low-power operation

– IDT7005S

Active: 750mW (typ.)

Standby: 5mW (typ.)

– IDT7005L

Active: 700mW (typ.)

Standby: 1mW (typ.)

◆ IDT7005 easily expands data bus width to 16 bits or more using the Master/Slave select when cascading more than one device

◆ M/S = H for BUSY output flag on Master, M/S = L for BUSY input on Slave

◆ Interrupt Flag

◆ On-chip port arbitration logic

◆ Full on-chip hardware support of semaphore signaling between ports

◆ Fully asynchronous operation from either port

◆ Devices are capable of withstanding greater than 2001V electrostatic discharge

◆ Battery backup operation—2V data retention

◆ TTL-compatible, single 5V (±10) power supply

◆ Available in 68-pin PGA, PLCC and a 64-pin thin quad flatpack

◆ Industrial temperature range (-40°C to +85°C) is available for selected speeds

◆ Green parts available, see ordering information