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| 型号： | EPM7512AETC144-12N |
| 厂商： | Altera |
| 文件页数： | 18/64页 |
| 文件大小： | 0K |
| 描述： | IC MAX 7000 CPLD 512 144-TQFP |
| 标准包装： | 180 |
| 系列： | MAX® 7000A |
| 可编程类型： | 系统内可编程 |
| 最大延迟时间 tpd(1)： | 12.0ns |
| 电压电源 - 内部： | 3 V ~ 3.6 V |
| 逻辑元件/逻辑块数目： | 32 |
| 宏单元数： | 512 |
| 门数： | 10000 |
| 输入/输出数： | 120 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 144-LQFP |
| 供应商设备封装： | 144-TQFP（20x20） |
| 包装： | 托盘 |
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Altera Corporation
25
MAX 7000A Programmable Logic Device Data Sheet
Open-Drain Output Option
MAX 7000A devices provide an optional open-drain (equivalent to
open-collector) output for each I/O pin. This open-drain output enables
the device to provide system-level control signals (e.g., interrupt and
write enable signals) that can be asserted by any of several devices. This
output can also provide an additional wired-OR plane.
Open-drain output pins on MAX 7000A devices (with a pull-up resistor to
the 5.0-V supply) can drive 5.0-V CMOS input pins that require a high
VIH. When the open-drain pin is active, it will drive low. When the pin is
inactive, the resistor will pull up the trace to 5.0 V to meet CMOS VOH
requirements. The open-drain pin will only drive low or tri-state; it will
never drive high. The rise time is dependent on the value of the pull-up
resistor and load impedance. The IOL current specification should be
considered when selecting a pull-up resistor.
Programmable Ground Pins
Each unused I/O pin on MAX 7000A devices may be used as an
additional ground pin. In EPM7128A and EPM7256A devices, utilizing
unused I/O pins as additional ground pins requires using the associated
macrocell. In MAX 7000AE devices, this programmable ground feature
does not require the use of the associated macrocell; therefore, the buried
macrocell is still available for user logic.
Slew-Rate Control
The output buffer for each MAX 7000A I/O pin has an adjustable output
slew rate that can be configured for low-noise or high-speed performance.
A faster slew rate provides high-speed transitions for high-performance
systems. However, these fast transitions may introduce noise transients
into the system. A slow slew rate reduces system noise, but adds a
nominal delay of 4 to 5 ns. When the configuration cell is turned off, the
slew rate is set for low-noise performance. Each I/O pin has an individual
EEPROM bit that controls the slew rate, allowing designers to specify the
slew rate on a pin-by-pin basis. The slew rate control affects both the rising
and falling edges of the output signal.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EPM7512AETC1447 | 制造商:Altera Corporation 功能描述: |
| EPM7512AETC144-7 | 功能描述:CPLD - 复杂可编程逻辑器件 CPLD - MAX 7000 512 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 |
| EPM7512AETC144-7N | 功能描述:CPLD - 复杂可编程逻辑器件 CPLD - MAX 7000 512 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 |
| EPM7512AETI100-7 | 制造商:ALTERA 制造商全称:Altera Corporation 功能描述:High-performance 3.3-V EEPROM-based programmable logic devices (PLDs) built on second-generation Multiple Array MatriX |
| EPM7512B | 制造商:ALTERA 制造商全称:Altera Corporation 功能描述:Programmable Logic Device |
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