参数资料
型号: EP20K600E
厂商: Altera Corporation
英文描述: Programmable Logic Device Family
中文描述: 可编程逻辑器件系列
文件页数: 43/117页
文件大小: 570K
代理商: EP20K600E
Altera Corporation
43
APEX 20K Programmable Logic Device Family Data Sheet
Figure 28
shows how a column IOE connects to the interconnect.
Figure 28. Column IOE Connection to the Interconnect
Dedicated Fast I/O Pins
APEX 20KE devices incorporate an enhancement to support bidirectional
pins with high internal fanout such as PCI control signals. These pins are
called Dedicated Fast I/O pins (
FAST1
,
FAST2
,
FAST3
, and
FAST4
) and
replace dedicated inputs. These pins can be used for fast clock, clear, or
high fanout logic signal distribution. They also can drive out. The
Dedicated Fast I/O pin data output and tri-state control are driven by
local interconnect from the adjacent MegaLAB for high speed.
Row In
terc
onn
ect
Column In
terc
onn
ect
E
ac
h IOE
ca
n
dr
iv
e
c
olumn in
terc
onn
ect
. In APEX
2
0KE
de
vi
ces
,
IOE
s
ca
n
a
l
s
o
dr
iv
e
F
ast
Row in
terc
onn
ect
. E
ac
h IOE
data
a
n
d
OE
s
ign
a
l i
s
dr
iv
e
n by lo
ca
l in
terc
onn
ect
.
Any LE o
r
ESB
ca
n
dr
iv
e
a
c
olumn pin
t
h
r
ough
a
r
ow,
c
olumn,
a
n
d
M
e
g
a
LAB
in
terc
onn
ect
.
IOE
IOE
LAB
An LE o
r
ESB
ca
n
dr
iv
e
a
pin
t
h
r
ough
a
lo
ca
l
in
terc
onn
ect
fo
r
f
aster
c
lo
c
k-
t
o-ou
t
pu
t
t
im
es
.
M
e
g
a
LAB In
terc
onn
ect
相关PDF资料
PDF描述
EP20K60E Programmable Logic Device Family
EP220 Classic EPLDs
EP220-10 Classic EPLDs
EP220-10A Classic EPLDs
EP220-12 Classic EPLDs
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