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序号 型号 描述 大小 厂家Logo 下载
1 DM74LS22 DUAL 4-INPUT NAND GATE (WITH OPEN-COLLECTOR OUTPUT) 52K NSC 4225189
2 DM74LS221 Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs 111K FAIRCHILD 4225188
3 DM74LS221 Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs 146K NSC 2095969
4 DM74LS221J/A+ Monostable Multivibrator 240K 暂无图片 3552625
5 DM74LS221M Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs 111K FAIRCHILD 4225187
6 DM74LS221M Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs 146K NSC 2095968
7 DM74LS221MX Monostable Multivibrator 111K FAIRCHILD 3552624
8 DM74LS221N Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs 111K FAIRCHILD 4225186
9 DM74LS221N Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs 146K NSC 2095967
10 DM74LS221N/A+ Monostable Multivibrator 240K 暂无图片 3552621
11 DM74LS221N/B+ Monostable Multivibrator 240K 暂无图片 3552619
12 DM74LS221SJ Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs 111K FAIRCHILD 4603024
13 DM74LS221SJX Monostable Multivibrator 111K FAIRCHILD 3552617
14 DM74LS22J Dual 4-input NAND Gate 100K 暂无图片 3552616
15 DM74LS22J/A+ Dual 4-input NAND Gate 100K 暂无图片 3552614
16 DM74LS22M DUAL 4-INPUT NAND GATE (WITH OPEN-COLLECTOR OUTPUT) 52K NSC 4225185
17 DM74LS22N DUAL 4-INPUT NAND GATE (WITH OPEN-COLLECTOR OUTPUT) 52K NSC 4225184
18 DM74LS22N/A+ Dual 4-input NAND Gate 100K 暂无图片 3552613
19 DM74LS22N/B+ Dual 4-input NAND Gate 100K 暂无图片 3552611