Texas Instruments SN74ALS621A-1NS Bus XCVR Single 8-CH Open Collector 20-Pin SOP Tube

Function: Bus Transceiver

Polarity: Non-Inverting

Delay time: 33@4.5V to 5.5Vns

Number of channels: 8

Power-supply voltage: 5V

Maximum output current: -0.1mA

Maximum Low Level Output Current: 48mA

Number of poles of the contact point: 20