文档预览： M54/74HC245/640/643 M54...OUTPUT DRIVE CAPABILITY 15 LSTTL LOADS SYMMETRICAL OUTPUT IMPEDANCE |IOH| = ...All input are equipped with protection circuits ... 点击下载

文档预览： 1. General description The 74HC245; 74HCT245 is a high-speed Si-gate CMOS device and is pin compatible with Low-Power Schottky TTL (LSTTL). The 74HC245; 74... 点击下载

文档预览： s Pin and Function Compatible with 74HC245 Ordering Code: Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X... 点击下载

文档预览： TC74HC245AP/640APTC74HC245A/640A はシリコンゲート CMOS 技术を用いた高速 CMOS 8 回路入り双方向性バスバッファです.CMOS の特长である 低い消费电力... 点击下载

文档预览： M54/74HC245/640/643 M54/74HC245/640/643OCTAL BUS TRANSCEIVER (3-STATE...1994 SGS-THOMSON Microelectronics - All Rights Reserved SGS-THOMSON ... 点击下载

文档预览： 74 E0,14 表2断码F0,1C F0,2E F0,09 E0,F0,...hc245_2A0 A1 DIR B0 B1PF0 PF1图2 控制寄存器说明...all register // PCLK=MCLK F(internal clk)= ... 点击下载

文档预览： DESCRIPTION The M54/74HC7245 HC7640, HC7643 and HC7645 utilise silicon ...All input are equipped with protection circuits against static discharge and ... 点击下载

文档预览： Device 74HC245DTR2Ghttp://www.BDTIC.com/ONPackage TSSOP20* Shipping 2500 /...*Includes all probe and jig capacitance *Includes all probe and jig ... 点击下载

文档预览： 输而74HC245支持8位 IDE接口是种任务寄存器结构接口主机通过访问端口寄存器来读写硬盘IDE寄存器可分为两组:控制寄存器组和命令寄存器组在IDE与ADSP-BF533接口电路... 点击下载

文档预览： M54/74HC245/640/643 M54...OUTPUT DRIVE CAPABILITY 15 LSTTL LOADS SYMMETRICAL OUTPUT IMPEDANCE |IOH| = ...All input are equipped with protection circuits ... 点击下载