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序号 型号 描述 大小 厂家Logo 下载
631 M74HC245TTR OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS (NON INVERTED) 271K ST 4267091
632 M74HC251 8 BIT SIPO SHIFT REGISTER 255K ST 4267090
633 M74HC251 8-CHANNEL MULTIPLEXER (3-STATE) 389K ST 2177385
634 M74HC251B1R 8-CHANNEL MULTIPLEXER (3-STATE) 389K ST 2177384
635 M74HC251B1R 8 BIT SIPO SHIFT REGISTER 255K ST 4267089
636 M74HC251C1R 8 BIT SIPO SHIFT REGISTER 255K ST 4267088
637 M74HC251M1R 8 BIT SIPO SHIFT REGISTER 255K ST 4267087
638 M74HC251M1R 8-CHANNEL MULTIPLEXER (3-STATE) 389K ST 2764078
639 M74HC251RM13TR 8-CHANNEL MULTIPLEXER (3-STATE) 389K ST 3304800
640 M74HC251TTR 8-CHANNEL MULTIPLEXER (3-STATE) 389K ST 2177383
641 M74HC253 DUAL 4 CHANNEL MULTIPLEXER 3 STATE OUTPUT 363K ST 2177382
642 M74HC253 HC253 DUAL 4 CHANNEL MULTIPLEXER 3 STATE OUTPUT HC153 DUAL 4 CHANNEL MULTIPLEXER 267K ST 4267086
643 M74HC253B1R HC253 DUAL 4 CHANNEL MULTIPLEXER 3 STATE OUTPUT HC153 DUAL 4 CHANNEL MULTIPLEXER 267K ST 4267085
644 M74HC253B1R DUAL 4 CHANNEL MULTIPLEXER 3 STATE OUTPUT 363K ST 2177381
645 M74HC253C1R HC253 DUAL 4 CHANNEL MULTIPLEXER 3 STATE OUTPUT HC153 DUAL 4 CHANNEL MULTIPLEXER 267K ST 4267084
646 M74HC253F1R HC253 DUAL 4 CHANNEL MULTIPLEXER 3 STATE OUTPUT HC153 DUAL 4 CHANNEL MULTIPLEXER 267K ST 4267083
647 M74HC253M1R HC253 DUAL 4 CHANNEL MULTIPLEXER 3 STATE OUTPUT HC153 DUAL 4 CHANNEL MULTIPLEXER 267K ST 4267082
648 M74HC253M1R DUAL 4 CHANNEL MULTIPLEXER 3 STATE OUTPUT 363K ST 2763238
649 M74HC253RM13TR DUAL 4 CHANNEL MULTIPLEXER 3 STATE OUTPUT 363K ST 3261123
650 M74HC253TTR DUAL 4 CHANNEL MULTIPLEXER 3 STATE OUTPUT 363K ST 2177380
651 M74HC257 QUAD 2 CHANNEL MULTIPLEXER (3-STATE) 202K ST 2177379
652 M74HC257 HC258QUAD 2CHANNEL MULTIPLEXER 3-STATE, INVERTING HC257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE 265K ST 4267081
653 M74HC257 QUAD 2 CHANNEL MULTIPLEXER (3-STATE) 202K STMICROELECTRONICS 52582
654 M74HC257B1R QUAD 2 CHANNEL MULTIPLEXER (3-STATE) 202K STMICROELECTRONICS 52583
655 M74HC257B1R HC258QUAD 2CHANNEL MULTIPLEXER 3-STATE, INVERTING HC257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE 265K ST 4267080
656 M74HC257B1R QUAD 2 CHANNEL MULTIPLEXER (3-STATE) 202K ST 2177378
657 M74HC257C1R HC258QUAD 2CHANNEL MULTIPLEXER 3-STATE, INVERTING HC257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE 265K ST 4575112
658 M74HC257F1R HC258QUAD 2CHANNEL MULTIPLEXER 3-STATE, INVERTING HC257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE 265K ST 4867577
659 M74HC257M1R HC258QUAD 2CHANNEL MULTIPLEXER 3-STATE, INVERTING HC257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE 265K ST 4867381
660 M74HC257M1R QUAD 2 CHANNEL MULTIPLEXER (3-STATE) 202K ST 2177377