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H74LS193P H74HC374P H74HC244P H74HC157P H74HC14PW H74LS2
全新原装正品品质保证
贴片直插HD74HC157P，HD74HC259P，HD74HC374P，HD74HC597P
正品D74HV8T04T#H0 D74HC175GS-T2 D74HC157GS-T2 D741606DPGF-P
贴片直插SLA116LF0P，SL74LS244D，SL74HC157D，SL74HC244D，4
