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LC4064B-5T48C 데이터시트(PDF) 9 Page - Lattice Semiconductor

부품명 LC4064B-5T48C
상세설명  3.3V/2.5V/1.8V In-System Programmable SuperFAST High Density PLDs
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Lattice Semiconductor
ispMACH 4000V/B/C/Z Family Data Sheet
9
Output Routing Pool (ORP)
The Output Routing Pool allows macrocell outputs to be connected to any of several I/O cells within an I/O block.
This provides greater flexibility in determining the pinout and allows design changes to occur without affecting the
pinout. The output routing pool also provides a parallel capability for routing macrocell-level OE product terms. This
allows the OE product term to follow the macrocell output as it is switched between I/O cells. Additionally, the out-
put routing pool allows the macrocell output or true and complement forms of the 5-PT bypass signal to bypass the
output routing multipliers and feed the I/O cell directly. The enhanced ORP of the ispMACH 4000 family consists of
the following elements:
• Output Routing Multiplexers
• OE Routing Multiplexers
• Output Routing Pool Bypass Multiplexers
Figure 7 shows the structure of the ORP from the I/O cell perspective. This is referred to as an ORP slice. Each
ORP has as many ORP slices as there are I/O cells in the corresponding I/O block.
Figure 7. ORP Slice
Output Routing Multiplexers
The details of connections between the macrocells and the I/O cells vary across devices and within a device
dependent on the maximum number of I/Os available. Tables 5-9 provide the connection details.
Table 6. ORP Combinations for I/O Blocks with 8 I/Os
I/O Cell
Available Macrocells
I/O 0
M0, M1, M2, M3, M4, M5, M6, M7
I/O 1
M2, M3, M4, M5, M6, M7, M8, M9
I/O 2
M4, M5, M6, M7, M8, M9, M10, M11
I/O 3
M6, M7, M8, M9, M10, M11, M12, M13
I/O 4
M8, M9, M10, M11, M12, M13, M14, M15
I/O 5
M10, M11, M12, M13, M14, M15, M0, M1
I/O 6
M12, M13, M14, M15, M0, M1, M2, M3
I/O 7
M14, M15, M0, M1, M2, M3, M4, M5
Output Routing Multiplexer
OE Routing Multiplexer
ORP
Bypass
Multiplexer
From Macrocell
From PTOE
To I/O
Cell
To I/O
Cell
Output
OE
5-PT Fast Path


유사한 부품 번호 - LC4064B-5T48C

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Lattice Semiconductor
LC4064B-5T48C LATTICE-LC4064B-5T48C Datasheet
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   3.3V/2.5V/1.8V In-System Programmable SuperFAST High Density PLDs
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유사한 설명 - LC4064B-5T48C

제조업체부품명데이터시트상세설명
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