49FCT3805DSLASHE中文資料瑞薩數據手冊PDF規(guī)格書

Features:

◆ True Dual-Ported memory cells which allow simultaneous

access of the same memory location

◆ High-speed clock to data access

– Commercial: 7.5/9ns (max.)

– Industrial: 7.5ns (max.)

◆ Low-power operation

– IDT70V9279/69L

Active: 429mW (typ.)

Standby: 1.32mW (typ.)

◆ Flow-through or Pipelined output mode on either port via

the FT/PIPE pin

◆ Counter enable and reset features

◆ Dual chip enables allow for depth expansion without

additional logic

◆ Full synchronous operation on both ports

– 4ns setup to clock and 1ns hold on all control, data,

and address inputs

– Data input, address, and control registers

– Fast 6.5ns clock to data out in the Pipelined output mode

– Self-timed write allows fast cycle time

– 10ns cycle time, 100MHz operation in Pipelined output mode

◆ Separate upper-byte and lower-byte controls for

multiplexed bus and bus matching compatibility

◆ LVTTL- compatible, single 3.3V (±0.3V) power supply

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

available for selected speeds

◆ Available in a 128-pin Thin Quad Flatpack (TQFP) package

◆ Green parts available, see ordering information