54LS193FMQB National Semiconductor

Description: IC BINARY COUNTER 4-BIT 16CFP, Packaging: Bulk, Package / Case: 16-CFlatpack, Mounting Type: Surface Mount, Number of Elements: 1, Logic Type: Binary Counter, Reset: Synchronous, Operating Temperature: -55°C ~ 125°C (TA), Direction: Up, Down, Trigger Type: Positive Edge, Timing: Synchronous, Supplier Device Package: 16-CFP, Part Status: Active, Voltage - Supply: 4.5 V ~ 5.5 V, Count Rate: 20 MHz, Number of Bits per Element: 4.