7403 register equivalent, 4-bit x 64-word fifo register.
* Synchronous or asynchronous operation
* 3-state outputs
* 30 MHz (typical) shift-in and shift-out rates
* Readily expandable in word and bit dimensions .
* High-speed disc or tape controller
* Communications buffer. GENERAL DESCRIPTION The 74HC/HCT7403 are high-spee.
The 74HC/HCT7403 are high-speed Si-gate CMOS devices. They are specified in compliance with JEDEC standard no.7A. The “7403” is an expandable, First-In First-Out (FIFO) memory organized as 64 words by 4 bits. A guaranteed 15 MHz data-rate makes it id.
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