Rochester Electronics AM2954DC Mfr Package Description: 0.300 INCH, HERMETIC SEALED, CERDIP-20 Technology: TTL Package Shape: RECTANGULAR Package Style: IN-LINE Terminal Form: THROUGH-HOLE Terminal Pitch: 2.54 mm Terminal Finish: NOT SPECIFIED Terminal Position: DUAL Number of Functions: 1 Number of Terminals: 20 Package Body Material: CERAMIC, METAL-SEALED COFIRED Temperature Grade: COMMERCIAL Output Characteristics: 3-ST Operating Temperature-Max: 70 Cel Operating Temperature-Min: 0.0 Cel Supply Voltage-Max (Vsup): 5.25 V Supply Voltage-Min (Vsup): 4.75 V Supply Voltage-Nom (Vsup): 5 V Logic IC Type: DRIVER Number of Bits: 8 Number of Ports: 2 Output Polarity: TRUE Propagation Delay (tpd): 17 ns