M74HCT257M1R
M74HCT273B1R
M74HCT273M1R
M74HCT273RM13TR
M74HCT273RMBTR
M74HCT273TTR
M74HCT27B1R
M74HCT30B1R
M74HCT30M1R
M74HCT32B1R
0755-23941632