参数资料
型号: EPM7064LC68-7
厂商: Altera
文件页数: 4/66页
文件大小: 0K
描述: IC MAX 7000 CPLD 64 68-PLCC
标准包装: 216
系列: MAX® 7000
可编程类型: 系统内可编程
最大延迟时间 tpd(1): 7.5ns
电压电源 - 内部: 4.75 V ~ 5.25 V
逻辑元件/逻辑块数目: 4
宏单元数: 64
门数: 1250
输入/输出数: 52
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 68-LCC(J 形引线)
供应商设备封装: 68-PLCC(24x24)
包装: 管件
其它名称: 544-2303-5
12
Altera Corporation
MAX 7000 Programmable Logic Device Family Data Sheet
Shareable Expanders
Each LAB has 16 shareable expanders that can be viewed as a pool of
uncommitted single product terms (one from each macrocell) with
inverted outputs that feed back into the logic array. Each shareable
expander can be used and shared by any or all macrocells in the LAB to
build complex logic functions. A small delay (tSEXP) is incurred when
shareable expanders are used. Figure 5 shows how shareable expanders
can feed multiple macrocells.
Figure 5. Shareable Expanders
Shareable expanders can be shared by any or all macrocells in an LAB.
Parallel Expanders
Parallel expanders are unused product terms that can be allocated to a
neighboring macrocell to implement fast, complex logic functions.
Parallel expanders allow up to 20 product terms to directly feed the
macrocell OR logic, with five product terms provided by the macrocell and
15 parallel expanders provided by neighboring macrocells in the LAB.
Macrocell
Product-Term
Logic
Product-Term Select Matrix
Macrocell
Product-Term
Logic
36 Signals
from PIA
16 Shared
Expanders
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