Specification

Supply voltage range: 4.75V to 5.25V
Typical input voltage level: 2.0V (minimum) to 5.5V (maximum)
Maximum input current: ±0.4mA
Maximum output current: ±16mA
Maximum propagation delay time: 30ns (at 5V and 25°C)
4 x 4 register file function with open collector outputs
Four independent registers, each with 4 bits
16 data input/output pins (I0 to I3 and O0 to O3 for each register)
Four control input pins (S0 to S3) for selecting the register to be accessed
Active-low output enable control pin (OE#) for enabling or disabling the open collector outputs
Low-power Schottky TTL technology
16-pin DIP (dual in-line package) package