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参数资料
| 型号： | PZ5128-S10BE |
| 英文描述： | Electrically-Erasable Complex PLD |
| 中文描述： | 电可擦除复杂可编程逻辑器件 |
| 文件页数： | 4/22页 |
| 文件大小： | 180K |
| 代理商： | PZ5128-S10BE |
Philips Semiconductors
Product specification
PZ5128
128 macrocell CPLD
1997 Aug 12
4
XPLA
ARCHITECTURE
Figure 1 shows a high level block diagram of a 128 macrocell device
implementing the XPLA
architecture. The XPLA
architecture
consists of logic blocks that are interconnected by a Zero-power
Interconnect Array (ZIA). The ZIA is a virtual crosspoint switch. Each
logic block is essentially a 36V16 device with 36 inputs from the ZIA
and 16 macrocells. Each logic block also provides 32 ZIA feedback
paths from the macrocells and I/O pins.
From this point of view, this architecture looks like many other CPLD
architectures. What makes the CoolRunner
family unique is what
is inside each logic block and the design technique used to
implement these logic blocks. The contents of the logic block will be
described next.
LOGIC
BLOCK
I/O
36
16
16
36
16
16
MC0
MC1
MC15
I/O
MC0
MC1
MC15
LOGIC
BLOCK
I/O
36
16
16
36
16
16
MC0
MC1
MC15
I/O
MC0
MC1
MC15
ZIA
LOGIC
BLOCK
LOGIC
BLOCK
LOGIC
BLOCK
I/O
36
16
16
36
16
16
MC0
MC1
MC15
I/O
MC0
MC1
MC15
LOGIC
BLOCK
LOGIC
BLOCK
I/O
36
16
16
36
16
16
MC0
MC1
MC15
I/O
MC0
MC1
MC15
SP00464
LOGIC
BLOCK
Figure 1.
Philips XPLA CPLD Architecture
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