LOGIC, SYNC 4-BIT UP/DN CNTR, 16SOIC; Counter Type:Binary, Up / Down; Clock Frequency:25MHz; Count Maximum:15; Supply Voltage Range:4.75V to 5.25V; Logic Case Style:SOIC; No. of Pins:16; Operating Temperature Range:0°C to +70°C; SVHC:No SVHC (20-Jun-2011); Clock Frequency Max:25MHz; Count Max:16; Logic Function Number:74191; Logic IC Base Number:74191; Logic IC Family:LS; Logic IC Function:4-Bit Synchronous Up-Down Binary Counter; Package / Case:SOIC; Supply Voltage Max:5.25V; Supply Voltage Min:4.75V; Termination Type:SMD