工程改变告诉


类型 改变内容 日期
CH345 CH345新批号添加RST引脚用于复位输入,V3引脚电容主张0.1uF. 2017-10-25
CH340 CH340新增免晶振类型和小封装,新批号V3电容0.1uF,晶体电容33pF,CH340T添加TNOW. 2017-10-25
CH453 原直插封装的CH423D和CH453D停产,新增SK-DIP28直插封装方式的CH423A和CH453A. 2017-10-25
CH452 CH452版别V2更新,支撑段电流约束和16级亮度操控和两线GPO,可选I2C规范ACK应对 2017-10-25
CH454 CH454新品支撑段电流约束和键盘扫描,新增CH454S,原CH454D改为SDIP32封装的CH454A. 2013-04-26
CH451 原CH451D芯片停产,CH451L和CH451S新品支撑3V和5V电压,支撑段位寻址,无CLK引脚. 2011-07-05
CH453 CH453新品支撑按键扫描,支撑睡觉和按键唤醒,支撑段电流约束和占空比调理亮度. 2011-05-10
CH450 CH450新品支撑睡觉和按键唤醒,支撑段电流约束和占空比调理亮度. 2011-04-21
CH422 CH422新品的DIG引脚默许是推挽输出,可选开漏输出,支撑睡觉和唤醒,支撑段电流约束. 2011-03-08
CH423 CH423新品的DIG引脚默许是推挽输出,可选开漏输出,支撑段电流约束和占空比调理亮度. 2011-02-25
CH374 CH374新品内置RootHub,需求运用V1.3或之后的子程序库,原低版别库的用户需及时更新. 2009-07-16
CH341 CH341和CH340新品支撑3V和5V电压,且USB-VID从头分配,需运用2007年之后新驱动程序. 2008-11-20
CH372 CH372A和CH372V兼并后停产,新品是CH372B,支撑3.3V和5V电压. 2008-10-17
CH375 CH375A和CH375V兼并后停产,新品是CH375B,支撑3.3V和5V电压. 2008-09-29
CH421 原CH421S芯片停产,新类型为CH421A,从头界说了引脚,支撑3.3V和5V作业电压. 2007-06-08