參數(shù)資料
型號： XC9536XLSERIES
英文描述： High Performance CPLD
中文描述： 高性能的CPLD
文件頁數(shù)： 1/7頁
文件大?。?/td> 65K
代理商： XC9536XLSERIES
DS058 (v1.2) June 25, 2001
Preliminary Product Specification
1-800-255-7778
1
2000 Xilinx, Inc. All rights reserved. All Xilinx trademarks, registered trademarks, patents, and disclaimers are as listed at
http://www.xilinx.com/legal.htm
.
All other trademarks and registered trademarks are the property of their respective owners. All specifications are subject to change without notice.
Features
5 ns pin-to-pin logic delays
System frequency up to 178 MHz
36 macrocells with 800 usable gates
Available in small footprint packages
-
44-pin PLCC (34 user I/O pins)
-
44-pin VQFP (34 user I/O pins)
-
48-pin CSP (36 user I/O pins)
-
64-pin VQFP (36 user I/O pins)
Optimized for high-performance 3.3V systems
-
Low power operation
-
5V tolerant I/O pins accept 5 V, 3.3V, and 2.5V
signals
-
3.3V or 2.5V output capability
-
Advanced 0.35 micron feature size CMOS
FastFLASH technology
Advanced system features
-
In-system programmable
-
Superior pin-locking and routability with
FastCONNECT II switch matrix
-
Extra wide 54-input Function Blocks
-
Up to 90 product-terms per macrocell with
individual product-term allocation
-
Local clock inversion with three global and one
product-term clocks
-
Individual output enable per output pin
-
Input hysteresis on all user and boundary-scan pin
inputs
-
Bus-hold circuitry on all user pin inputs
-
Full IEEE Standard 1149.1 boundary-scan (JTAG)
Fast concurrent programming
Slew rate control on individual outputs
Enhanced data security features
Excellent quality and reliability
-
Endurance exceeding 10,000 program/erase
cycles
-
20 year data retention
-
ESD protection exceeding 2,000V
Pin-compatible with 5V-core XC9536 device in the
44-pin PLCC package and the 48-pin CSP package
Description
The XC9536XL is a 3.3V CPLD targeted for high-perfor-
mance, low-voltage applications in leading-edge communi-
cations and computing systems. It is comprised of two
54V18 Function Blocks, providing 800 usable gates with
propagation delays of 5 ns. See
Figure 2
for architecture
overview.
Power Estimation
Power dissipation in CPLDs can vary substantially depend-
ing on the system frequency, design application and output
loading. To help reduce power dissipation, each macrocell
in a XC9500XL device may be configured for low-power
mode (from the default high-performance mode). In addi-
tion, unused product-terms and macrocells are automati-
cally deactivated by the software to further conserve power.
For a general estimate of I
CC
, the following equation may be
used:
I
CC
(mA) = MC
HP
(0.5) + MC
LP
(0.3) + MC(0.0045 mA/MHz) f
Where:
MC
HP
= Macrocells in high-performance (default) mode
MC
LP
= Macrocells in low-power mode
MC = Total number of macrocells used
f = Clock frequency (MHz)
This calculation is based on typical operating conditions
using a pattern of 16-bit up/down counters in each Function
Block with no output loading. The actual I
CC
value varies
with the design application and should be verified during
normal system operation.
Figure 1
shows the above estimation in a graphical form.
0
XC9536XL High Performance
CPLD
DS058 (v1.2) June 25, 2001
0
5
Preliminary Product Specification
R
Figure 1:
Typical I
CC
vs. Frequency for XC9536XL
Clock Frequency (MHz)
T
C
0
100
200
250
DS058_01_061101
60
20
178 MHz
125 MHz
30
150
50
10
40
50
H
i
gh P
erfor
m
a
nc
e
L
ow Power
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