LOGIC, 8-STAGE DOWN COUNTER, 16DIP; Counter Type:Binary, Down; Clock Frequency:25MHz; Count Maximum:255; Supply Voltage Min:4.5V; Supply Voltage Max:5.5V; Logic Case Style:DIP; No. of Pins:16; Operating Temperature Min:-55°C; Operating Temperature Max:125°C; Packaging:Each; MSL:MSL 1 - Unlimited;