JM54AC191S2A-RH National Semiconductor

Description: IC BINARY COUNTER 4-BIT 20LCCC, Voltage - Supply: 2 V ~ 6 V, Part Status: Active, Supplier Device Package: 20-LCCC (8.89x8.89), Timing: Synchronous, Trigger Type: Positive Edge, Direction: Up, Down, Operating Temperature: -55°C ~ 125°C (TA), Reset: Asynchronous, Logic Type: Binary Counter, Number of Elements: 1, Mounting Type: Surface Mount, Package / Case: 20-CLCC, Packaging: Bulk, Number of Bits per Element: 4, Count Rate: 80 MHz.