參數(shù)資料
型號(hào)： M4-192/96-12VC
廠商： LATTICE SEMICONDUCTOR CORP
元件分類： PLD
英文描述： High Performance E 2 CMOS In-System Programmable Logic
中文描述： EE PLD, 12 ns, PQFP144
封裝： TQFP-144
文件頁(yè)數(shù)： 6/46頁(yè)
文件大?。?/td> 754K
代理商： M4-192/96-12VC
14
MACH 4 Family
Output Switch Matrix
The output switch matrix allows macrocells to be connected to any of several I/O cells within a
PAL block. This provides high exibility in determining pinout and allows design changes to
occur without effecting pinout.
In MACH 4 devices with 2:1 Macrocell-I/O cell ratio, each PAL block has twice as many
macrocells as I/O cells. The MACH 4 output switch matrix allows for half of the macrocells to
drive I/O cells within a PAL block, in combinations according to Figure 9. Each I/O cell can
choose from eight macrocells; each macrocell has a choice of four I/O cells. The MACH 4 devices
with 1:1 Macrocell-I/O cell ratio allow each macrocell to drive one of eight I/O cells (Figure 9).
M0
M1
M2
M3
M4
M5
M6
M7
M8
M9
M10
M11
M12
M13
M14
M15
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
Each macrocell can drive
one of 4 I/O cells in
MACH 4 devices with
2:1 macrocell-I/O cell ratio.
Each I/O cell can
choose one of 8
macrocells in
all MACH 4
devices.
macrocells
MUX
I/O
cell
M0
M1
M2
M3
M4
M5
M6
M7
M8
M9
M10
M11
M12
M13
M14
M15
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
I/O8
I/O9
I/O10
I/O11
I/O12
I/O13
I/O14
I/O15
Each macrocell can drive
one of 8 I/O cells in
M4(LV)-32/32 devices.
Figure 9. MACH 4 Output Switch Matrix
相關(guān)PDF資料
PDF描述
M4-192/96-12VI High Performance E 2 CMOS In-System Programmable Logic
M4-32/32-12VI48 High Performance E 2 CMOS In-System Programmable Logic
M4-32/32-15JC High Performance E 2 CMOS In-System Programmable Logic
M4-32/32-15VC High Performance E 2 CMOS In-System Programmable Logic
M4-32/32-15VC48 High Performance E 2 CMOS In-System Programmable Logic
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