SN74LS244DB
SN74LS244DBE4
SN74LS244DBG4
SN74LS244DBR
SN74LS244DBRE4
SN74LS244DBRG4
SN74LS244DW
SN74LS244DWE4
SN74LS244DWG4
SN74LS244DWR
0755-23607487
010-62104931