General description
The 74HC7403; 74HCT7403 is an expandable, First-In First-Out (FIFO) memory organized as 64 words by 4 bits. A guaranteed 15 MHz data-rate makes it ideal for high-speed applications.
   
Features and benefits
■ Synchronous or asynchronous operation
■ 30 MHz (typical) shift-in and shift-out rates
■ Readily expandable in word and bit dimensions
■ Pinning arranged for easy board layout: input pins directly opposite output pins
■ Input levels:
    ◆ For 74HC7403: CMOS level
    ◆ For 74HCT7403: TTL level
■ 3-state outputs
■ Complies with JEDEC standard JESD7A
■ ESD protection:
    ◆ HBM JESD22-A114F exceeds 2 000 V
    ◆ MM JESD22-A115-A exceeds 200 V
■ Multiple package options
■ Specified from -40°C to +85°C and from -40°C to +125°C
   
Applications
■ High-speed disc or tape controller
■ Communications buffer