250 SN74HCU04DR SN74HCU04DT HCU04 −40°C to 85°C SOP − NS SSOP − DB Reel of 2000 Reel of 2000 SN74HCU04NSR SN74HCU04DBR HCU04 HU04 Reel of 90 SN74HCU04PW TSSOP − PW Reel of 2000 Reel of 250.