参数资料
型号: EPM7064S
厂商: Altera Corporation
英文描述: Programmable Logic Device Family
中文描述: 可编程逻辑器件系列
文件页数: 11/60页
文件大小: 943K
代理商: EPM7064S
Altera Corporation
11
MAX 7000A Programmable Logic Device Data Sheet
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.
The compiler can allocate up to three sets of up to five parallel expanders
to the macrocells that require additional product terms. Each set of five
parallel expanders incurs a small, incremental timing delay (
t
PEXP
). For
example, if a macrocell requires 14 product terms, the compiler uses the
five dedicated product terms within the macrocell and allocates two sets
of parallel expanders; the first set includes five product terms, and the
second set includes four product terms, increasing the total delay by
2
×
t
PEXP
.
Two groups of eight macrocells within each LAB (e.g., macrocells 1
through 8 and 9 through 16) form two chains to lend or borrow parallel
expanders. A macrocell borrows parallel expanders from lower-
numbered macrocells. For example, macrocell 8 can borrow parallel
expanders from macrocell 7, from macrocells 7 and 6, or from macrocells
7, 6, and 5. Within each group of eight, the lowest-numbered macrocell
can only lend parallel expanders, and the highest-numbered macrocell
can only borrow them.
Figure 4
shows how parallel expanders can be
borrowed from a neighboring macrocell.
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相关代理商/技术参数
参数描述
EPM7064SLC44-10 功能描述:CPLD - 复杂可编程逻辑器件 CPLD - MAX 7000 64 Macro 36 IOs RoHS:否 制造商:Lattice 系列: 存储类型:EEPROM 大电池数量:128 最大工作频率:333 MHz 延迟时间:2.7 ns 可编程输入/输出端数量:64 工作电源电压:3.3 V 最大工作温度:+ 90 C 最小工作温度:0 C 封装 / 箱体:TQFP-100
EPM7064SLC44-10F 功能描述:IC MAX 7000 CPLD 64 44-PLCC RoHS:否 类别:集成电路 (IC) >> 嵌入式 - CPLD(复杂可编程逻辑器件) 系列:MAX® 7000 标准包装:24 系列:CoolRunner II 可编程类型:系统内可编程 最大延迟时间 tpd(1):7.1ns 电压电源 - 内部:1.7 V ~ 1.9 V 逻辑元件/逻辑块数目:24 宏单元数:384 门数:9000 输入/输出数:173 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:208-BFQFP 供应商设备封装:208-PQFP(28x28) 包装:托盘
EPM7064SLC44-10N 功能描述:CPLD - 复杂可编程逻辑器件 CPLD - MAX 7000 64 Macro 36 IOs RoHS:否 制造商:Lattice 系列: 存储类型:EEPROM 大电池数量:128 最大工作频率:333 MHz 延迟时间:2.7 ns 可编程输入/输出端数量:64 工作电源电压:3.3 V 最大工作温度:+ 90 C 最小工作温度:0 C 封装 / 箱体:TQFP-100
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EPM7064SLC445F 制造商:ALTERA 功能描述:New