General description
The 74HC40105; 74HCT40105 is a first-in/first-out (FIFO) "elastic" storage register that can store 16 4-bit words. It can handle input and output data at different shifting rates.
This feature makes it particularly useful as a buffer between asynchronous systems.
   
Features and benefits
■ Independent asynchronous inputs and outputs
■ Expandable in either direction
■ Reset capability
■ Status indicators on inputs and outputs
■ 3-state outputs
■ Input levels:
    ◆ For 74HC40105: CMOS level
    ◆ For 74HCT40105: 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