TTL逻辑驱动
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电路常识性概念-TTL与CMOS集成电路
1、TTL电路TTL电路以双极型晶体管为开关元件，所以又称双极型集成电路。双极型数字集成电路是利用电子和空穴两种不同极性的载流子进行电传导的器件。它具有速度高（开关速度快）、驱动能力强等优点，但其功耗...
7442 TTL BCD—十进制代码转换器
These BCD-to-decimal decoders consist of eight invertersand ten, four-input NAND gates. The i...
74191 TTL 二进制同步可逆计数器
This circuit is a synchronous, reversible, up/down counter.The 191 is a 4-bit binary counter. Sy...
74155 TTL图腾柱输出译码器、分配器
These TTL circuits feature dual 1-line-to-4-line demultiplexerswith individual strobes and commo...
7403 TTL集电极开路2输入端四与非门
This device contains four independent gates each of whichperforms the logic NAND function. Th...
74180 TTL 9位奇数、偶数发生器、校验器
These universal 9-bit (8 data bits plus 1 parity bit) paritygenerators/checkers feature odd/e...
7401 TTL集电极开路2输入端四与非门
This device contains four independent gates each of whichperforms the logic NAND function. Th...
7426 TTL2输入端高压接口四与非门
This device contains four independent gates each of whichperforms the logic NAND function. Th...