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IDT_70V05_DST_20120627英文资料

消耗积分:0 | 格式:pdf | 大小:162KB | 2014-08-09

h1654155859.5202

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3.3v的双口RAM,主要用于总线上与单片机的信息交互

  Features ◆ True Dual-Ported memory cells which allow simultaneous reads of the same memory location ◆ High-speed access – Commercial: 15/20/25/35/55ns (max.) – Industrial: 20ns (max.) ◆ Low-power operation – IDT70V05S Active: 400mW (typ.) Standby: 3.3mW (typ.) – IDT70V05L Active: 380mW (typ.) Standby: 660µW (typ.) ◆ IDT70V05 easily expands data bus width to 16 bits or more using the Master/Slave select when cascading more thanone device ◆ M/S = VIH for BUSY output flag on Master M/S = VIL 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 3.3V (±0.3V) power supply ◆ Available in 68-pin PGA and PLCC, and a 64-pin TQFP ◆ Industrial temperature range (-40°C to +85°C) is available for selected speeds ◆ Green parts available, see ordering information

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