型号：MM74HC451WM
厂商：FAIRCHILD
批号：2009
封装：SOIC
MM74HC4538M
HC/UH SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16
MM74HC4538MTC
HC/UH SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16
MM74HC4543M
HC/UH SERIES, SEVEN SEGMENT DECODER/DRIVER, CONFIGURABLE OUTPUT, PDSO16
MM74HC4560N
HC/UH SERIES, 4-BIT ADDER/SUBTRACTOR, PDIP16
MM74HC521WMX
HC/UH SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDSO20
MM74HC534WMX
HC/UH SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDSO20
MM74HC540J
HC/UH SERIES, 8-BIT DRIVER, INVERTED OUTPUT, CDIP20
MM74HC540MTC
IC INVERTER 8-INPUT 20TSSOP
MM74HC540MTCX
IC INVERTER 8-INPUT 20TSSOP
MM74HC540N
IC INVERTER 8-INPUT 20DIP