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參數(shù)資料
| 型號： | ATF1508RE-5AX100 |
| 廠商： | Atmel |
| 文件頁數(shù)： | 28/31頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CPLD 128MC 3.3V ISP 100TQFP |
| 標準包裝： | 90 |
| 系列： | ATF15xx |
| 可編程類型： | 系統(tǒng)內(nèi)可編程（最少 10,000 次編程/擦除循環(huán)） |
| 最大延遲時間 tpd(1)： | 7.0ns |
| 電壓電源 - 內(nèi)部： | 3 V ~ 3.6 V |
| 宏單元數(shù)： | 128 |
| 輸入/輸出數(shù)： | 80 |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 100-TQFP |
| 供應(yīng)商設(shè)備封裝： | 100-TQFP（14x14） |
| 包裝： | 托盤 |
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3682A–PLD–10/08
ATF1508RE
Each of the 128 macrocells generates a buried feedback signal that goes to the global bus (see
Figure 1-3). Each input and I/O pin also feeds into the global bus. The switch matrix in each logic
block then selects 40 individual signals from the global bus. Each macrocell also generates a
foldback logic term that goes to a regional bus. Cascade logic between macrocells in the
ATF1508RE allows fast, efficient generation of complex logic functions. The ATF1508RE con-
tains eight such logic chains, each capable of creating sum term logic with a fan-in of up to 40
product terms.
The ATF1508RE macrocell, shown in Figure 1-4, is highly flexible and capable of supporting
complex logic functions operating at high speed. The macrocell consists of five sections: product
terms and product term select multiplexer, OR/XOR/CASCADE logic, a flip-flop, output select
and enable, and logic array inputs.
A security fuse, when programmed, protects the contents of the ATF1508RE. Two bytes
(16 bits) of User Electronic Signature are accessible to the user for purposes such as storing
project name, part number, revision or date. The User Electronic Signature is accessible regard-
less of the state of the security fuse.
The ATF1508RE device supports In-System Programming (ISP) via the industry-standard 4-pin
JTAG interface (IEEE 1532 standard), and is fully compliant with IEEE 1149.1 for Boundary
Scan Test. ISP allows the device to be programmed without removing it from the printed circuit
board. In addition to simplifying the manufacturing flow, ISP also allows design modifications to
be made in the field via software.
Figure 1-4.
ATF1508RE Macrocell
SCHMITT
TRIGGER
SSTL
BURIED FEEDBACK
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參數(shù)描述 |
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| ATF1508RE-5CX132 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Highperformance CPLD |
| ATF1508RE-7AU100 | 功能描述:CPLD - 復(fù)雜可編程邏輯器件 128MV CPLD, 3.3V 100-pin RoHS:否 制造商:Lattice 系列: 存儲類型:EEPROM 大電池數(shù)量:128 最大工作頻率:333 MHz 延遲時間: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 |
| ATF1508RE-7CU132 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Highperformance CPLD |
| ATF1508SE | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Family Datasheet |
| ATF1508SE(L) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ATF1502/04/08/16SE(L) Preliminary [Updated 9/02. 69 Pages] Second Generation Industry Compatible 5V Logic Doubling CPLDs 32-512 Macrocells. standard & low power w/ISP |
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