SN74LVC161284 SN74LVC162244A SN74LVC16244 SN74LVC16244A SN74LVC16244A-EP SN74LVC16244A-Q1 SN74LVC16245A SN74LVC16373 SN74LVC16373A SN74LVC16373A-EP SN74LVC16374 SN74LVC16374A SN74LVC16646A SN74LVC16T245 SN74LVC16T245-EP