參數(shù)資料
型號(hào): EPM3256A
廠商: Altera Corporation
英文描述: Programmable Logic Device Family
中文描述: 可編程邏輯器件系列
文件頁(yè)數(shù): 22/42頁(yè)
文件大?。?/td> 649K
代理商: EPM3256A
22
Altera Corporation
MAX 3000A Programmable Logic Device Family Data Sheet
Timing Model
MAX 3000A device timing can be analyzed with the Altera software, with
a variety of popular industry–standard EDA simulators and timing
analyzers, or with the timing model shown in
Figure 10
. MAX 3000A
devices have predictable internal delays that enable the designer to
determine the worst–case timing of any design. The software provides
timing simulation, point–to–point delay prediction, and detailed timing
analysis for device–wide performance evaluation.
Figure 10. MAX 3000A Timing Model
The timing characteristics of any signal path can be derived from the
timing model and parameters of a particular device. External timing
parameters, which represent pin–to–pin timing delays, can be calculated
as the sum of internal parameters.
Figure11
shows the timing relationship
between internal and external delay parameters.
Logic Array
Delay
t
LAD
Output
Delay
t
OD1
t
OD3
t
XZ
Z
t
t
ZX2
t
ZX3
t
OD2
X1
Input
Delay
t
IN
Register
Delay
t
SU
t
H
t
PRE
t
CLR
t
RD
t
COMB
PIA
Delay
t
PIA
Shared
Expander Delay
t
SEXP
Register
Control Delay
t
LAC
t
IC
t
EN
I/O
Delay
t
IO
Global Control
Delay
t
GLOB
Internal Output
Enable Delay
t
IOE
Parallel
Expander Delay
t
PEXP
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