參數(shù)資料
型號(hào)： XCR3128-10TQ128C
廠(chǎng)商： XILINX INC
元件分類(lèi)： PLD
英文描述： XCR3128: 128 Macrocell CPLD
中文描述： EE PLD, 10 ns, PQFP128
封裝： PLASTIC, TQFP-128
文件頁(yè)數(shù)： 5/18頁(yè)
文件大?。?/td> 126K
代理商： XCR3128-10TQ128C
R
XCR3128: 128 Macrocell CPLD
5
www.xilinx.com
1-800-255-7778
DS034 (v1.2) August 10, 2000
Simple Timing Model
Figure 4
shows the CoolRunner Timing Model. The Cool-
Runner timing model looks very much like a 22V10 timing
model in that there are three main timing parameters,
including t
PD
, t
SU
, and t
CO
. In other competing architec-
tures, the user may be able to fit the design into the CPLD,
but is not sure whether system timing requirements can be
met until after the design has been fit into the device. This is
because the timing models of competing architectures are
very complex and include such things as timing dependen-
cies on the number of parallel expanders borrowed, shar-
able expanders, varying number of X and Y routing
channels used, etc. In the XPLA architecture, the user
knows up front whether the design will meet system timing
requirements. This is due to the simplicity of the timing
model.
TotalCMOS
Design Technique for Fast Zero
Power
Xilinx is the first to offer a TotalCMOS CPLD, both in pro-
cess technology and design technique. Xilinx employs a
cascade of CMOS gates to implement its Sum of Products
instead of the traditional sense amp approach. This CMOS
gate implementation allows Xilinx to offer CPLDs which are
both high performance and low power, breaking the para-
digm that to have low power, you must have low perfor-
mance. Refer to
Figure 5
and
Table 1
showing the I
CC
vs.
Frequency of our XCR3128 TotalCMOS CPLD (data taken
w/eight up/down, loadable 16 bit counters at 3.3V, 25
°
C).
Figure 4: CoolRunner Timing Model
OUTPUT PIN
INPUT PIN
SP00441
t
PD_PAL
= COMBINATORIAL PAL ONLY
t
PD_PLA
= COMBINATORIAL PAL + PLA
OUTPUT PIN
INPUT PIN
D
Q
REGISTERED
t
SU_PAL
= PAL ONLY
t
SU_PLA
= PAL + PLA
REGISTERED
t
CO
GLOBAL CLOCK PIN
相關(guān)PDF資料
PDF描述
XCR3128-10TQ128I XCR3128: 128 Macrocell CPLD
XCR3128-10TQ160C XCR3128: 128 Macrocell CPLD
XCR3128-10TQ160I XCR3128: 128 Macrocell CPLD
XCR3128-10TQ84C XCR3128: 128 Macrocell CPLD
XCR3128-10TQ84I XCR3128: 128 Macrocell CPLD
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XCR3128-10TQ128I 制造商:XILINX 制造商全稱(chēng):XILINX 功能描述:XCR3128: 128 Macrocell CPLD
XCR3128-10TQ160C 制造商:XILINX 制造商全稱(chēng):XILINX 功能描述:XCR3128: 128 Macrocell CPLD
XCR3128-10TQ160I 制造商:XILINX 制造商全稱(chēng):XILINX 功能描述:XCR3128: 128 Macrocell CPLD
XCR3128-10TQ84C 制造商:XILINX 制造商全稱(chēng):XILINX 功能描述:XCR3128: 128 Macrocell CPLD
XCR3128-10TQ84I 制造商:XILINX 制造商全稱(chēng):XILINX 功能描述:XCR3128: 128 Macrocell CPLD
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