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参数资料
| 型号： | M4-64/32-12VI48 |
| 厂商： | LATTICE SEMICONDUCTOR CORP |
| 元件分类： | PLD |
| 英文描述： | High Performance E 2 CMOS In-System Programmable Logic |
| 中文描述： | EE PLD, 12 ns, PQFP48 |
| 封装： | TQFP-48 |
| 文件页数： | 6/46页 |
| 文件大小： | 754K |
| 代理商： | M4-64/32-12VI48 |
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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
相关PDF资料 |
PDF描述 |
|---|---|
| M4-64/32-15JC | High Performance E 2 CMOS In-System Programmable Logic |
| M4-64/32-15VC | High Performance E 2 CMOS In-System Programmable Logic |
| M4LV-128/64-12VC | High Performance E 2 CMOS In-System Programmable Logic |
| M4LV-128/64-12VI | High Performance E 2 CMOS In-System Programmable Logic |
| M4LV-128/64-12YC | High Performance E 2 CMOS In-System Programmable Logic |
相关代理商/技术参数 |
参数描述 |
|---|---|
| M4644 SL001 | 制造商:Alpha Wire Company 功能描述:CBL 20COND 22AWG SLT 1000' |
| M4644 SL002 | 制造商:Alpha Wire Company 功能描述:CBL 20COND 22AWG SLT 500' |
| M4644 SL005 | 制造商:Alpha Wire Company 功能描述:CBL 20COND 22AWG SLT 100' |
| M4644 SL199 | 制造商:Alpha Wire Company 功能描述:CBL 20COND 22AWG SLT 1000=1000' |
| M4644-SL001 | 制造商:Alpha Wire 功能描述: |
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