74HCT9115D-T Nine wide Schmitt trigger buffer; open drain outputs - Description: Nine Wide Schmitt-Trigger Buffer; Open Drain Outputs; TTL Enabled ; Logic switching levels: TTL ; Number of pins: 20 ; Output drive capability: 4 mA ; Power dissipation considerations: Low Power ; Propagation delay: 13 ns; Voltage: 4.5-5.5 V