型号：SN74LS20NSRE4
厂商：Texas Instruments
批号：12+
封装：14-SO
SN74LS20NSRE4
LS SERIES, DUAL 4-INPUT NAND GATE, PDSO14
SN74LS21J
LS SERIES, DUAL 4-INPUT AND GATE, CDIP14
SN74LS21J-00
LS SERIES, DUAL 4-INPUT AND GATE, CDIP14
SN74LS21N-00
LS SERIES, DUAL 4-INPUT AND GATE, PDIP14
SN74LS21NDS
LS SERIES, DUAL 4-INPUT AND GATE, PDIP14
SN74LS221DBRG4
LS SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16
SN74LS221DG4
LS SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16
SN74LS221DR2
LS SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16
SN74LS221JD
LS SERIES, DUAL MONOSTABLE MULTIVIBRATOR, CDIP16
SN74LS221JS
LS SERIES, DUAL MONOSTABLE MULTIVIBRATOR, CDIP16
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