描述 Description

The IDT7007 is a high-speed 32K x 8 Dual-Port Static RAM. The IDT7007 is designed to be used as a stand-alone 256K-bit Dual-Port RAM or as a combination MASTER/SLAVE Dual-Port RAM for 16-bit-ormore word systems.

特性 Features

◆ True Dual-Ported memory cells which allow simultaneous

reads of the same memory location

◆ High-speed access

– Military: 25/35/55ns (max.)

– Industrial: 20/25/35/55ns (max.)

– Commercial: 15/20/25/35/55ns (max.)

◆ Low-power operation

– IDT7007S

Active: 850mW (typ.)

Standby: 5mW (typ.)

– IDT7007L

Active: 850mW (typ.)

Standby: 1mW (typ.)

◆ IDT7007 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

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

◆ Available in 68-pin PGA and PLCC and a 80-pin TQFP

◆ Industrial temperature range (–40°C to +85°C) is available

for selected speeds

◆ Green parts available, see ordering information