描述 Description

The IDT70825 is a high-speed 8K x 16-Bit Sequential Access Random Access Memory (SARAM).

特性 Features

◆ High-speed access

– Commercial: 20/25/35/45ns (max.)

◆ Low-power operation

– IDT70825S

Active: 775mW (typ.)

Standby: 5mW (typ.)

– IDT70825L

Active: 775mW (typ.)

Standby: 1mW (typ.)

◆ 8K x 16 Sequential Access Random Access Memory

(SARAM?)

– Sequential Access from one port and standard Random

Access from the other port

– Separate upper-byte and lower-byte control of the

Random Access Port

◆ High speed operation

– 20ns tAA for random access port

– 20ns tCD for sequential port

– 25ns clock cycle time

◆ Architecture based on Dual-Port RAM cells

◆ Compatible with Intel BMIC and 82430 PCI Set

◆ Width and Depth Expandable

◆ Sequential side

– Address based flags for buffer control

– Pointer logic supports up to two internal buffers

◆ Battery backup operation - 2V data retention

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

◆ Available in 80-pin TQFP and 84-pin PGA

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

for selected speeds