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序号 型号 描述 大小 厂家Logo 下载
331 74LS181 4-Bit Arithmetic Logic Unit 158K NSC 4336238
332 74LS181 ARITHMETIC LOGIC UNITS/FUNCTION GENERATORS 688K TI 361782
333 74LS181 ARITHMETIC LOGIC UNITS/FUNCTION GENERATORS 505K TI 4336239
334 74LS181DC Fixed Point ALU 131K 暂无图片 3897855
335 74LS181PC Fixed Point ALU 131K 暂无图片 3897854
336 74LS189DC 64-BIT RANDOM ACCESS MEMORY(With 3-State Outputs) 157K ETC 5188891
337 74LS189FC 64-BIT RANDOM ACCESS MEMORY(With 3-State Outputs) 157K ETC 5188890
338 74LS189PC 64-BIT RANDOM ACCESS MEMORY(With 3-State Outputs) 157K ETC 5188889
339 74LS190 PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS 317K MOTOROLA 4336235
340 74LS190 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL 524K TI 4336236
341 74LS190 Synchronous Up/Down Decade Counters(single clock line) 106K HITACHI 4336237
342 74LS190PC Synchronous Up/Down Counter 131K 暂无图片 3897853
343 74LS191 Synchronous Up/Down 4-bit Binary Counters(single clock line) 100K HITACHI 4336234
344 74LS191 Synchronous 4-Bit Up/Down Counter with Mode Control 74K FAIRCHILD 4336233
345 74LS192 Synchronous Up/Down Decade Counters(dual clock lines) 107K HITACHI 4336231
346 74LS192 PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER 282K MOTOROLA 4336230
347 74LS192 PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER 113K ON 4336232
348 74LS192PC Synchronous Up/Down Counter 131K 暂无图片 3897851
349 74LS193 PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER 282K MOTOROLA 4336227
350 74LS193 Synchronous 4-Bit Binary Counter with Dual Clock 75K FAIRCHILD 4336229
351 74LS193 Synchronous Up/Down 4-bit Binary Counters(dual clock lines) 107K HITACHI 4336228
352 74LS193DC Synchronous Up/Down Counter 131K 暂无图片 3897849
353 74LS193PC Synchronous Up/Down Counter 131K 暂无图片 3897847
354 74LS193SC Synchronous Up/Down Counter 131K 暂无图片 3897846
355 74LS194 LOW POWER SCHOTTKY 138K ON 4336225
356 74LS194 4-Bit Bidirectional Universal Shift Register 69K FAIRCHILD 4336226
357 74LS194A 4-Bit Bidirectional Universal Shift Register 170K NSC 5122810
358 74LS194A 4-Bit Bidirectional Universal Shift Register 170K NSC 4336224
359 74LS195 LOW POWER SCHOTTKY 140K ON 4336223
360 74LS195 4-bit Parallel-Access Shift Registers 97K HITACHI 4336222