全新54LS245/BRA 54LS245/B2A 54LS244LMQB 54LS244FMQB 54LS244D

全新54LS259/883 54LS251DMQB 54LS245LMQB 54LS245FMQB 54LS245D

贴插MC74HC4050D-MS54F244MBD-CR10-101-JK-54LS245DMQB-B

贴插501594-1211-AK4185ECB-L-L4973D5.1ST-SN54LS245FS-N