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Visitor yogesh
Visitor
7,823 Views
Registered: ‎06-27-2016

Xilinx CPLD XC95288XL(PQFP208C) Alternative

We are using Xilinx CPLD XC95288XL in our hematology instrument., which is discontinued now by Xilinx.

 

Link for Xilinx Part: http://www.xilinx.com/support/documentation/data_sheets/ds055.pdf

 

Since we are using it in our running product, can you please suggest us when it is discontinued and which 1:1 alternative available for IC Xilinx CPLD XC95288XL IC which will directly replace Xilinx CPLD XC95288XL in our application. 

 

Kindly advise for our above query.

 

Thanks and regards,

Yogesh Mhadye

Meril Life Sciences Pvt Ltd

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7 Replies
Community Manager
Community Manager
7,815 Views
Registered: ‎07-23-2015

Re: Xilinx CPLD XC95288XL(PQFP208C) Alternative

@yogesh Can you post your complete Part#. Also, check this XCN if your part features in it. 

 

http://www.xilinx.com/support/documentation/customer_notices/xcn12011.pdf

- Giri
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Moderator
Moderator
7,811 Views
Registered: ‎01-15-2008

Re: Xilinx CPLD XC95288XL(PQFP208C) Alternative

Hi Yogesh,

 

Did you talk to the authorized distributors for the availability of the device CPLD XC95288XL(PQFP208C) in your region?

http://www.xilinx.com/about/contact/authorized-distributors.html?

 

 

--Krishna

 

 

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Visitor yogesh
Visitor
7,804 Views
Registered: ‎06-27-2016

Re: Xilinx CPLD XC95288XL(PQFP208C) Alternative

Thanks Krishna for prompt reply.

Please let us know about it's status ( Discontinued or not )? If yes, when it is discontinued? Also please suggest alternative which we can think in our design.

And we are in touch with distributors for purchase. Thanks.

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Moderator
Moderator
7,796 Views
Registered: ‎01-15-2008

Re: Xilinx CPLD XC95288XL(PQFP208C) Alternative

Hi Yogesh,

 

the particular CPLD XC95288XL(PQFP208C) device i do not see any latest discontinuation notification in website.

So you should be able to purchase from the distributors, if there is discontinuation  notification sales team should be able to provide you the details

 

--Krishna

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Scholar u4223374
Scholar
7,780 Views
Registered: ‎04-26-2015

Re: Xilinx CPLD XC95288XL(PQFP208C) Alternative

Digikey still has 517 of them in stock, and they can apparently get more with a six-week lead time.

 

When they do get discontinued, you'll have to do some major changes. There is no pin-compatible or logic-compatible replacement for the XC95XL series. The closest you'll get from Xilinx is the Coolrunner II series - and even those aren't exactly well-supported now (no official support for the required software under Windows 8 or Windows 10). Realistically, the options are:

 

(1) Buy up a large amount of stock before they're discontinued. Xilinx gives plenty of warning; they'll announce that the product is going to be discontinued, then give you about six months to place final orders, then actually stop shipping them about six months later. If you expect to sell maybe 100 products/year and have the product completely replaced within five years, then ordering 1000 CPLDs should give you more than enough headroom both for production, a year or two of delays, and repairs to existing units.

 

(2) Do a minimal PCB redesign and firmware update to support the Coolrunner II CPLD (or an equivalent from another manufacturer). Obviously this requires that you have access to the original design files, in a format that can still be opened.

 

(3) Depending on the architecture, do a full redesign. If your system has a microprocessor and/or microcontrollers as well as the CPLD, you may well find that you can replace five or six chips with a single Zynq 7010 - which simplifies the PCB layout, cuts down on the bill of materials, and gives you far more flexibility for future updates. If other parts are approaching end of life, and/or if the system could do with an update (eg. still relying on RS-232 because the existing hardware doesn't support USB) then fixing all those problems at once could be worthwhile.

Instructor
Instructor
7,752 Views
Registered: ‎08-14-2007

Re: Xilinx CPLD XC95288XL(PQFP208C) Alternative

Good post.  Just note that the usual end of life procedure from Xilinx is to give one full year for last time buy order placement and then one more year for final delivery (not six months).

-- Gabor
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Voyager
Voyager
7,576 Views
Registered: ‎10-06-2015

Re: Xilinx CPLD XC95288XL(PQFP208C) Alternative

The only CPLD devices from Xilinx I would suggest is the Coolrunner II devices.  These should be around until 2022 at which time an EOL would probably occur.  That said, there is no guarantees, the plug could get pulled sooner but there are a lot of CRII designs out there so I think it's a good choice.

 

It would not be a drop in.  Different core voltage, different pin out.  The PQ208 is available in the 256 and 384 MC device.  You may be able to make an interposer board of sorts to interface to your existing PCB with the new device and voltage regulator minimizing design changes on your current board.

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