參數(shù)資料
型號: EPM3128A
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
文件頁數(shù): 34/42頁
文件大小: 649K
代理商: EPM3128A
34
Altera Corporation
MAX 3000A Programmable Logic Device Family Data Sheet
Notes to tables:
(1)
These values are specified under the recommended operating conditions, as shown in
Table 10 on page 19
. See
Figure 11 on page 23
for more information on switching waveforms.
(2)
These values are specified for a PIA fan–out of one LAB (16 macrocells). For each additional LAB fan–out in these
devices, add an additional 0.1 ns to the PIA timing value.
(3)
This minimum pulse width for preset and clear applies for both global clear and array controls. The
t
LPA
parameter
must be added to this minimum width if the clear or reset signal incorporates the
t
LAD
parameter into the signal
path.
(4)
These parameters are measured with a 16–bit loadable, enabled, up/ down counter programmed into each LAB.
(5)
The
t
LPA
parameter must be added to the
t
LAD
,
t
LAC
,
t
IC
,
t
EN
,
t
SEXP
,
t
ACL
, and
t
CPPW
parameters for macrocells
running in low–power mode.
Power
Consumption
Supply power (P) versus frequency (
f
MAX
, in MHz) for MAX 3000A
devices is calculated with the following equation:
P = P
INT
+ P
IO
= I
CCINT
×
V
CC
+ P
IO
The P
IO
value, which depends on the device output load characteristics
and switching frequency, can be calculated using the guidelines given in
.
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