参数资料
型号: OR4E063BA352-DB
厂商: LATTICE SEMICONDUCTOR CORP
元件分类: FPGA
英文描述: FPGA, 2024 CLBS, 515000 GATES, PBGA352
封装: PLASTIC, BGA-352
文件页数: 66/151页
文件大小: 2680K
代理商: OR4E063BA352-DB
Lattice Semiconductor
21
Data Sheet
September, 2002
ORCA Series 4 FPGAs
Programmable Logic Cells (continued)
As discussed in the memory mode section, if the SLIC
is placed into one of the modes where it contains both
buffers and a decode or AOI function (e.g.,
BUF_BUF_DEC mode), the DEC output can be gated
with the 3-state input signal. This allows up to a 6-input
decode (e.g., BUF_DEC_DEC mode) plus the 3-state
input to control the enable/disable of up to four buffers
per SLIC Figure 15—Figure 19 show several congura-
tions of the SLIC, while Table 5 shows all of the possi-
ble modes.
Table 5. SLIC Modes
5-5744(F).a.
Figure 14. SLIC All Modes Diagram
Mode
No.
Mode
BUF
[3:0]
BUF
[7:4]
BUF
[9:8]
1BUFFER
Buffer
2BUF_BUF_DEC
Buffer
Decoder
3BUF_DEC_BUF
Buffer
Decoder
Buffer
4
BUF_DEC_DEC
Buffer
Decoder Decoder
5
DEC_BUF_BUF Decoder
Buffer
6
DEC_BUF_DEC
Decoder
Buffer
Decoder
7
DEC_DEC_BUF
Decoder Decoder
Buffer
8
DECODER
Decoder Decoder Decoder
SIN9
I9
SOUT09
DEC
0/1
TRI
0/1
SOUT08
SOUT07
SOUT06
SOUT05
SOUT04
SOUT03
SOUT02
SOUT01
SOUT00
LOGIC 1 OR 0
SIN8
I8
LOGIC 1 OR 0
SIN7
I7
LOGIC 1 OR 0
SIN6
I6
LOGIC 1 OR 0
SIN5
I5
LOGIC 1 OR 0
SIN4
I4
LOGIC 1 OR 0
SIN3
I3
LOGIC 1 OR 0
SIN2
I2
LOGIC 1 OR 0
SIN1
I1
LOGIC 1 OR 0
SIN0
I0
LOGIC 1 OR 0
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