静态随机存取存储器 32Kx16 3.3V DUAL- PORT RAM
* True Dual-Ported memory cells which allow simultaneous access of the same memory location * High-speed access * Commercial: 15/20ns max. * Industrial: 20ns max. * Low-power operation * IDT70V28L * Active: 440mW typ. * Standby: 660µW typ. * Dual chip enables allow for depth expansion without external logic * IDT70V28 easily expands data bus width to 32 bits or more using the Master/Slave select when cascading more than one device * 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 * Industrial temperature range –40°C to +85°C is available for selected speeds * Green parts available