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SN74LS190D datasheet pdf 下载

序号 型号 描述 大小 厂家Logo 下载
1 SN74LS190D SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL 524K TI SN74LS190D
2 SN74LS190D PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS 317K MOTOROLA SN74LS190D