72845LB25BGG8中文资料瑞萨数据手册PDF规格书

FEATURES:

• The IDT72805LB is equivalent to two IDT72205LB 256 x 18 FIFOs

• The IDT72815LB is equivalent to two IDT72215LB 512 x 18 FIFOs

• The IDT72825LB is equivalent to two IDT72225LB 1,024 x 18 FIFOs

• The IDT72845LB is equivalent to two IDT72245LB 4,096 x 18 FIFOs

• Offers optimal combination of large capacity (8K), high speed,

design flexibility, and small footprint

• Ideal for the following applications:

- Network switching

- Two level prioritization of parallel data

- Bidirectional data transfer

- Bus-matching between 18-bit and 36-bit data paths

- Width expansion to 36-bit per package

- Depth expansion to 8,192 words per package

• 10ns read/write cycle time, 6.5ns access time

• IDT Standard or First Word Fall Through timing

• Single or double register-buffered Empty and Full Flags