參數(shù)資料
型號(hào): ATF2500C-15JI
廠商: Atmel
文件頁(yè)數(shù): 22/24頁(yè)
文件大小: 0K
描述: IC CPLD EE 15NS 44PLCC
標(biāo)準(zhǔn)包裝: 27
系列: ATF2500C(L)
可編程類型: 系統(tǒng)內(nèi)可編程
最大延遲時(shí)間 tpd(1): 15.0ns
電壓電源 - 內(nèi)部: 4.5 V ~ 5.5 V
宏單元數(shù): 24
輸入/輸出數(shù): 24
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 44-LCC(J 形引線)
供應(yīng)商設(shè)備封裝: 44-PLCC
包裝: 管件
7
0777K–PLD–1/24/08
ATF2500C
7.
Security Fuse Usage
A single fuse is provided to prevent unauthorized copying of ATF2500C fuse patterns. Once pro-
grammed, the outputs will read programmed during verify.
The security fuse should be programmed last, as its effect is immediate.
The security fuse also inhibits Preload and Q2 observability.
8.
Bus-friendly Pin-keeper Input and I/O
All ATF2500C family members have programmable internal input and I/O pin-keeper circuits.
The default condition, including when using the AT2500C/CQ family to replace the AT2500B/BQ
or AT2500H, is that the pin-keepers are not activated.
When pin-keepers are active, inputs or I/Os not being driven externally will maintain their last
driven state. This ensures that all logic array inputs and device outputs are known states. Pin-
keepers are relatively weak active circuits that can be easily overridden by TTL-compatible driv-
ers (see input and I/O diagrams below).
Enabling or disabling of the pin-keeper circuits is controlled by the device type chosen in the
logic compiler device selection menu. Please refer to the Software Compiler Mode Selection
table for more details. Once the pin-keeper circuits are disabled, normal termination procedures
required for unused inputs and I/Os.
Figure 8-1.
Input Diagram
PROGRAMMABLE
OPTION
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ATF2500C-15JN 功能描述:CPLD - 復(fù)雜可編程邏輯器件 ASICS 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
ATF2500C-15JU 功能描述:CPLD - 復(fù)雜可編程邏輯器件 15 ns 24 I/O Pins 24 macorcells 48 reg 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
ATF2500C-15JU SL383 制造商:Atmel Corporation 功能描述:ATF2500C 1.5K GATES 24 MC IND EEPROM 5V 44 PLCC - Tape and Reel
ATF2500C-20GM 功能描述:CPLD - 復(fù)雜可編程邏輯器件 2500 Gates 5.0V CPLD 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
ATF2500C-20JC 功能描述:CPLD - 復(fù)雜可編程邏輯器件 2500 GATE 24 MACRO STD PWR 5V-20NS 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