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5962-89841063X#N/A PDF预览

5962-89841063X#N/A

更新时间: 2024-01-08 11:41:00
品牌 Logo 应用领域
美国微芯 - MICROCHIP 可编程逻辑
页数 文件大小 规格书
16页 622K
描述
Flash PLD

5962-89841063X#N/A 技术参数

生命周期:Active包装说明:,
Reach Compliance Code:unknown可编程逻辑类型:FLASH PLD
Base Number Matches:1

5962-89841063X#N/A 数据手册

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10. Preload of Registered Outputs  
The Atmel® ATF22V10B registers are provided with circuitry to allow loading of each register with either a high or a  
low. This feature will simplify testing since any state can be forced into the registers to control test sequencing. A  
JEDEC file with preload is generated when a source file with vectors is compiled. Once downloaded, the JEDEC  
file preload sequence will be done automatically by most of the approved programmers after the programming.  
Figure 10-1.  
Table 10-1.  
Parameter  
tPR  
Description  
Typ  
Max  
Units  
Power-up  
Reset Time  
600  
1,000  
ns  
Power-up  
Reset  
VRST  
3.8  
4.5  
V
Voltage  
11. Security Fuse Usage  
A single fuse is provided to prevent unauthorized copying of the ATF22V10B fuse patterns. Once programmed,  
fuse verify and preload are inhibited. However, the 64-bit User Signature remains accessible.  
The security fuse should be programmed last, as its effect is immediate.  
12. Electronic Signature Word  
There are 64-bits of programmable memory that are always available to the user, even if the device is secured.  
These bits can be used for user-specific data.  
13. Programming/Erasing  
Programming/erasing is performed using standard PLD programmers. See CMOS PLD Programming  
Hardware and Software Support for information on software/programming.  
6
Atmel ATF22V10B  
0250M–PLD–7/10  

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