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我现在用的6747的片子尾缀为TMS320c6747DZKBA3 这个片子的最高速度可以达到375MHZ还是456？ 谢谢
Shine：
你的这颗料号的最高速度是375MHz。
Mr.a.mike：
上成的编号解释不是挺清楚的吗？ZKB之后的A3，已经说明了，版本A最高支持到300MHZ，版本B支持到375MHZ
yang gao8：
回复 Shine:
谢谢您的回复，我还想咨询一下：
1、如果我们用c6747做产品，C6747在最近几年会不会停产？
2、C6747尾缀多少的可以到456M？
3、实时操作系统qnx和vxworks，是否可以移植到C6747上？如果不可以有没有其他的芯片可以推荐一下？
谢谢
Shine：
回复 yang gao8:
1. 芯片的生命周期跟很多因素有关, 如市场的需求, 工艺的发展等等, 可以看一下下面TI对于life cycle的声明.
We are not able to forecast future market demand for a TI device and accordingly, we are not in a position to speculate on how long a device will remain in production. There is a multitude of factors that affect the lifetime of a device. Market demand, process efficiency, device reliability, and technology trends are all considered when TI decides how it will allocate its limited resources. Nonetheless, it is TI's intention to maximize customer service with a reliable source of product supply for as long as TI practically can to optimize our long-term customer/supplier relationship.
Texas Instruments is committed to provide notification of Product Obsolescence and offer a Life Time Buy (LTB) opportunity, where applicable. TI allows up the 12 months for an order to be place from the date of notification and allows an additional 6 months to take delivery of the ordered product.
Shine：
回复 Shine:
2. 后缀带4的可以跑到456MHz. http://www.ti.com/product/TMS320C6747/samplebuy
yang gao8：
回复 Shine:
谢谢您的回复
