XCR3032 Datasheet, PDF (1/14 Pages) Xilinx, Inc – High speed pin-to-pin delays of 8ns

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XCR3032: 32 Macrocell CPLD
DS038 (v1.3) October 9, 2000
0 14* Product Specification
Features
• Industry's first TotalCMOS™ PLD - both CMOS design
and process technologies
• Fast Zero Power (FZP™) design technique provides
ultra-low power and very high speed
• High speed pin-to-pin delays of 8ns
• Ultra-low static power of less than 35 µA
• 100% routable with 100% utilization while all pins and
all macrocells are fixed
• Deterministic timing model that is extremely simple to
use
• Two clocks available
• Programmable clock polarity at every macrocell
• Support for asynchronous clocking
• Innovative XPLA™ architecture combines high speed
with extreme flexibility
• 1000 erase/program cycles guaranteed
• 20 years data retention guaranteed
• Logic expandable to 37 product terms
• PCI compliant
• Advanced 0.5µ E²CMOS process
• Security bit prevents unauthorized access
• Design entry and verification using industry standard
and Xilinx CAE tools
• Reprogrammable using industry standard device
programmers
• Innovative Control Term structure provides either sum
terms or product terms in each logic block for:
- Programmable 3-state buffer
- Asynchronous macrocell register preset/reset
• Programmable global 3-state pin facilitates ‘bed of nails'
testing without using logic resources
• Available in both PLCC and VQFP packages
Description
The XCR3032 CPLD (Complex Programmable Logic
Device) is the first in a family of CoolRunner^® CPLDs from
Xilinx. These devices combine high speed and zero power
in a 32 macrocell CPLD. With the FZP design technique,
the XCR3032 offers true pin-to-pin speeds of 8 ns, while
simultaneously delivering power that is less than 35 µA at
standby without the need for “turbo bits” or other power
down schemes. By replacing conventional sense amplifier
methods for implementing product terms (a technique that
has been used in PLDs since the bipolar era) with a cas-
caded chain of pure CMOS gates, the dynamic power is
also substantially lower than any competing CPLD. These
devices are the first TotalCMOS PLDs, as they use both a
CMOS process technology and the patented full CMOS
FZP design technique. For 5V applications, Xilinx also
offers the high speed XCR5032 CPLD that offers pin-to-pin
speeds of 6 ns.
The Xilinx FZP CPLDs utilize the patented XPLA
(eXtended Programmable Logic Array) architecture. The
XPLA architecture combines the best features of both PLA
and PAL type structures to deliver high speed and flexible
logic allocation that results in superior ability to make
design changes with fixed pinouts. The XPLA structure in
each logic block provides a fast 8 ns PAL path with five ded-
icated product terms per output. This PAL path is joined by
an additional PLA structure that deploys a pool of 32 prod-
uct terms to a fully programmable OR array that can allo-
cate the PLA product terms to any output in the logic block.
This combination allows logic to be allocated efficiently
throughout the logic block and supports as many as 37
product terms on an output. The speed with which logic is
allocated from the PLA array to an output is only 2.5 ns,
regardless of the number of PLA product terms used, which
results in worst case t_PD's of only 10.5 ns from any pin to
any other pin. In addition, logic that is common to multiple
outputs can be placed on a single PLA product term and
shared across multiple outputs via the OR array, effectively
increasing design density.
The XCR3032 CPLDs are supported by industry standard
CAE tools (Cadence/OrCAD, Exemplar Logic, Mentor,
Synopsys, Synario, Viewlogic, and Synplicity), using text
(ABEL, VHDL, Verilog) and/or schematic entry. Design ver-
ification uses industry standard simulators for functional
and timing simulation. Development is supported on per-
sonal computer, Sparc, and HP platforms. Device fitting
uses a Xilinx developed tool, XPLA Professional (available
on the Xilinx web site).
The XCR3032 CPLD is reprogrammable using industry
standard device programmers from vendors such as Data
I/O, BP Microsystems, SMS, and others.
DS038 (v1.3) October 9, 2000
www.xilinx.com
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