TTL
共 345 篇文章
TTL 相关的电子技术资料，包括技术文档、应用笔记、电路设计、代码示例等，共 345 篇文章，持续更新中。
可配置成4-20位可选的电平移位式总线开关FSTD16450及其应用
FSTD16450是Fairchild公司最新推出的电平移位式总线开关集成电路.它功能强大,使用灵活,而且阻抗很低.可以配置成4位位5、位和20位总线开关,且与高速CMOS和TTL电平兼容.文中介绍了
7417 TTL开路输出六同相缓冲、驱动器
These monolithic TTL hex buffers/drivers feature high-voltage open-collector outputs for interfacing
74180 TTL 9位奇数、偶数发生器、校验器
<P>These universal 9-bit (8 data bits plus 1 parity bit) parity<BR>generators/checkers feature odd/e
7405 TTL集电极开路六反相器
<P>This device contains six independent gates each of which<BR>performs the logic INVERT function. T
7450 TTL 2-3、2-2输入端双与或非门
<P>This device contains two independent combinations of<BR>gates, each of which perform the logic AN
7438 TTL开路输出2输入端四与非缓冲器
<P>This device contains four independent gates each of which<BR>performs the logic NAND function. Th
7414 TTL六反相施密特触发器
<P>This device contains six independent gates each of which<BR>performs the logic INVERT function. E
7402 TTL 2输入端四或非门
7402 TTL 2输入端四或非门:
7427 TTL3输入端三或非门
<P>This device contains three independent gates each of which<BR>performs the logic NOR function.
7416 TTL开路输出六反相缓冲、驱动器
<P>This device contains six independent gates each of which<BR>performs the logic INVERT function. T
7445 TTL BCD—十进制代码转换、驱动器
<P>These BCD-to-decimal decoders/drivers consist of eight<BR>inverters and ten, four-input NAND gate
7403 TTL集电极开路2输入端四与非门
<P>This device contains four independent gates each of which<BR>performs the logic NAND function. Th
AT89C51 单片机高速串行输出口设计
介绍使用AT89C51单片机扩展高速串行同步移位输出口的方法，给出基于分立TTL元器件和可编程逻辑器件PLD 两种电路的实现方案。在LED 点阵显示屏系统中已得到应用。
7409 TTL集电极开路2输入端四与门
<P>This device contains four independent gates each of which<BR>performs the logic AND function. The
TTL和CMOS电平
TTL和CMOS电平，很好的讲解了这部分的基础知识，值得学习。
串行通信接口基本概念
① 在一根传输线上即传送数据又传送联络信号。<BR>② 有固定的数据传输协议。<BR>③ 线上的通信信号一般不是TTL电平，因此与CPU通信必需进行电平转换。<BR>④ 传送信息的速率要求双方约定。
7404 TTL六反相器
<P>This device contains six independent gates each of which<BR>performs the logic INVERT function.
7447 TTL BCD—7段高有效译码、驱动器
<P>The DM7446A and DM7447A feature active-LOW outputs<BR>designed for driving common-anode LEDs or i
74155 TTL图腾柱输出译码器、分配器
These TTL circuits feature dual 1-line-to-4-line demultiplexers<BR>with individual strobes and commo
74FXXXX “Light Load” input products
The Philips Semiconductors 74F “Light Load” product line is a high<BR>performance, TTL bus compatibl