70V28中文资料64K x 16 3.3V Dual-Port RAM数据手册Renesas规格书

描述 Description

The 70V28 is a high-speed 64K x 16 Dual-Port Static RAM designed to be used as a stand-alone Dual-Port RAM or as a combination MASTER/SLAVE Dual-Port RAM for 32-bit or wider memory system applications resulting in full-speed, error-free operation without the need for additional discrete logic. An automatic power down feature controlled by the chip enables (either CE0 or CE1) permit the on-chip circuitry of each port to enter a very low standby power mode.

特性 Features

True Dual-Ported memory cells which allow simultaneous access of the same memory location
Dual chip enables allow for depth expansion without external logic
70V28 easily expands data bus width to 32 bits or more
Busy and Interrupt Flags
On-chip port arbitration logic
Full on-chip hardware support of semaphore signaling between ports
Fully asynchronous operation from either port
Separate upper-byte and lower-byte controls for multiplexed bus and bus matching compatibility
LVTTL-compatible, single 3.3V (±0.3V) power supply
Available in a 100-pin TQFP package
Industrial temperature range (–40C to +85C) is available