參數(shù)資料
型號(hào)： EPM2210F324A3N
廠商： ALTERA CORP
元件分類： PLD
英文描述： FLASH PLD, PBGA324
封裝： 19 X 19 MM, 1 MM PITCH, LEAD FREE, FBGA-324
文件頁(yè)數(shù)： 69/108頁(yè)
文件大?。?/td> 1342K
代理商： EPM2210F324A3N
Altera Corporation
4–3
December 2007
MAX II Device Handbook, Volume 1
Hot Socketing and Power-On Reset in MAX II Devices
The DC specification applies when all VCC supplies to the device are
stable in the powered-up or powered-down conditions.
Hot Socketing
Feature
Implementation
in MAX II
Devices
The hot socketing feature turns off (tri-states) the output buffer during the
power-up event (either VCCINT or VCCIO supplies) or power-down event.
The hot-socket circuit generates an internal HOTSCKT signal when either
VCCINT or VCCIO is below the threshold voltage during power-up or
power-down. The HOTSCKT signal cuts off the output buffer to make sure
that no DC current (except for weak pull-up leaking) leaks through the
pin. When VCC ramps up very slowly during power-up, VCC may still be
relatively low even after the power-on reset (POR) signal is released and
device configuration is complete.
1
Make sure that the VCCINT is within the recommended operating
range even though SRAM download has completed.
Each I/O and clock pin has the circuitry shown in Figure 4–1.
Figure 4–1. Hot Socketing Circuit Block Diagram for MAX II Devices
The POR circuit monitors VCCINT and VCCIO voltage levels and keeps I/O
pins tri-stated until the device has completed its flash memory
configuration of the SRAM logic. The weak pull-up resistor (R) from the
I/O pin to VCCIO is enabled during download to keep the I/O pins from
floating. The 3.3-V tolerance control circuit permits the I/O pins to be
Output Enable
V
CCIO
Hot Socket
Voltage
Tolerance
Control
Power On
Reset
Monitor
Weak
Pull-Up
Resistor
PAD
Input Buffer
to Logic Array
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EPM2210F324A5N 功能描述:CPLD - 復(fù)雜可編程邏輯器件 CPLD - MAX II 1700 Macro 272 IO RoHS:否 制造商:Lattice 系列: 存儲(chǔ)類型:EEPROM 大電池?cái)?shù)量:128 最大工作頻率:333 MHz 延遲時(shí)間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100
EPM2210F324C3 功能描述:CPLD - 復(fù)雜可編程邏輯器件 CPLD - MAX II 1700 Macro 272 IO RoHS:否 制造商:Lattice 系列: 存儲(chǔ)類型:EEPROM 大電池?cái)?shù)量:128 最大工作頻率:333 MHz 延遲時(shí)間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100
EPM2210F324C3N 功能描述:CPLD - 復(fù)雜可編程邏輯器件 CPLD - MAX II 1700 Macro 272 IO RoHS:否 制造商:Lattice 系列: 存儲(chǔ)類型:EEPROM 大電池?cái)?shù)量:128 最大工作頻率:333 MHz 延遲時(shí)間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100
EPM2210F324C4 功能描述:CPLD - 復(fù)雜可編程邏輯器件 CPLD - MAX II 1700 Macro 272 IO RoHS:否 制造商:Lattice 系列: 存儲(chǔ)類型:EEPROM 大電池?cái)?shù)量:128 最大工作頻率:333 MHz 延遲時(shí)間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100
EPM2210F324C4N 功能描述:CPLD - 復(fù)雜可編程邏輯器件 CPLD - MAX II 1700 Macro 272 IO RoHS:否 制造商:Lattice 系列: 存儲(chǔ)類型:EEPROM 大電池?cái)?shù)量:128 最大工作頻率:333 MHz 延遲時(shí)間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100
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