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参数资料
| 型号： | EPM3256AQC208-6 |
| 厂商： | ALTERA CORP |
| 元件分类： | PLD |
| 英文描述： | EE PLD, 6 ns, PQFP208 |
| 封装： | PLASTIC, QFP-208 |
| 文件页数： | 41/43页 |
| 文件大小： | 716K |
| 代理商： | EPM3256AQC208-6 |
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Altera Corporation
7
MAX 3000A Programmable Logic Device Family Data Sheet
Preliminary Information
The MAX+PLUS II development system automatically optimizes
product-term allocation according to the logic requirements of the design.
For registered functions, each macrocell flipflop can be individually
programmed to implement D, T, JK, or SR operation with programmable
clock control. The flipflop can be bypassed for combinatorial operation.
During design entry, the designer specifies the desired flipflop type; the
MAX+PLUS II software then selects the most efficient flipflop operation
for each registered function to optimize resource utilization.
Each programmable register can be clocked in three different modes:
s
Global clock signal. This mode achieves the fastest clock-to-output
performance.
s
Global clock signal enabled by an active-high clock enable. A clock
enable is generated by a product term. This mode provides an enable
on each flipflop while still achieving the fast clock-to-output
performance of the global clock.
s
Array clock implemented with a product term. In this mode, the
flipflop can be clocked by signals from buried macrocells or I/O pins.
Two global clock signals are available in MAX 3000A devices. As shown
in Figure 1, these global clock signals can be the true or the complement
of either of the two global clock pins, GCLK1 or GCLK2.
Each register also supports asynchronous preset and clear functions. As
shown in Figure 2, the product-term select matrix allocates product terms
to control these operations. Although the product-term-driven preset and
clear from the register are active high, active-low control can be obtained
by inverting the signal within the logic array. In addition, each register
clear function can be individually driven by the active-low dedicated
global clear pin (GCLRn).
Expander Product Terms
Although most logic functions can be implemented with the five product
terms available in each macrocell, highly complex logic functions require
additional product terms. Another macrocell can be used to supply the
required logic resources. However, the MAX 3000A architecture also
offers both shareable and parallel expander product terms (“expanders”)
that provide additional product terms directly to any macrocell in the
same LAB. These expanders help ensure that logic is synthesized with the
fewest possible logic resources to obtain the fastest possible speed.
相关PDF资料 |
PDF描述 |
|---|---|
| EPM3256AQI208-6 | EE PLD, 6 ns, PQFP208 |
| EPM7128ABC100-6 | EE PLD, 6 ns, PBGA100 |
| EPM7128ABC100-7 | EE PLD, 7.5 ns, PBGA100 |
| EPM7128ABI100-10 | EE PLD, 10 ns, PBGA100 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EPM3256AQC208-7 | 功能描述:CPLD - 复杂可编程逻辑器件 CPLD - MAX 3000A 256 Macro 161 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 |
| EPM3256AQC208-7N | 功能描述:CPLD - 复杂可编程逻辑器件 CPLD - MAX 3000A 256 Macro 161 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 |
| EPM3256AQI208-10 | 功能描述:CPLD - 复杂可编程逻辑器件 CPLD - MAX 3000A 256 Macro 161 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 |
| EPM3256AQI208-10N | 功能描述:CPLD - 复杂可编程逻辑器件 CPLD - MAX 3000A 256 Macro 161 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 |
| EPM3256ATC100-5N | 制造商:ALTERA 制造商全称:Altera Corporation 功能描述:Higha??performance, lowa??cost CMOS EEPROMa??based programmable |
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