M74HCT245RM13TR
M74HCT245TTR
M74HCT257B1R
M74HCT257M1R
M74HCT273B1R
M74HCT273M1R
M74HCT273RM13TR
M74HCT273RMBTR
M74HCT273TTR
M74HCT27B1R
13510998172
0755-23941632