IDT723646中文資料瑞薩數據手冊PDF規(guī)格書

? Memory storage capacity:

IDT723626 – 256 x 36 x 2

IDT723636 – 512 x 36 x 2

IDT723646 – 1,024 x 36 x 2

? Clock frequencies up to 67 MHz (10ns access time)

? Two independent FIFOs buffer data between one bidirectional

36-bit port and two unidirectional 18-bit ports (Port C receives

and Port B transmits)

? 18-bit (word) and 9-bit (byte) bus sizing of 18 bits (word) on

Ports B and C

? Select IDT Standard timing (using EFA, EFB, FFA, and FFC flag

functions) or First Word Fall Through Timing (using ORA, ORB,

IRA, and IRC flag functions)

? Programmable Almost-Empty and Almost-Full flags; each has

three default offsets (8, 16 and 64)