参数资料
型号: ATF22V10C-15JI
厂商: Atmel
文件页数: 21/22页
文件大小: 0K
描述: IC PLD EE HP 15NS 28-PLCC
标准包装: 38
系列: 22V10
可编程类型: EE PLD
宏单元数: 10
输入电压: 5V
速度: 15ns
安装类型: 表面贴装
封装/外壳: 28-LCC(J 形引线)
供应商设备封装: 28-PLCC(11.51x11.51)
包装: 管件
8
0735U–PLD–7/10
Atmel ATF22V10C(Q)
8.
Input and I/O Pin-keeper Circuits
The Atmel ATF22V10C contains internal input and I/O pin-keeper circuits. These circuits allow each ATF22V10C
pin to hold its previous value even when it is not being driven by an external source or by the device’s output buffer.
This helps to ensure that all logic array inputs are at known valid logic levels. This reduces system power by
preventing pins from floating to indeterminate levels. By using pin-keeper circuits rather than pull-up resistors,
there is no DC current required to hold the pins in either logic state (high or low).
These pin-keeper circuits are implemented as weak feedback inverters, as shown in the Input Diagram below.
These keeper circuits can easily be overdriven by standard TTL- or CMOS-compatible drivers. The typical
overdrive current required is 40A.
Figure 8-1.
Input Diagram
Figure 8-2.
I/O Diagram
相关PDF资料
PDF描述
ATF22V10C-15JC IC PLD EE HP 15NS 28-PLCC
AMM43DRTI CONN EDGECARD 86POS DIP .156 SLD
1-84952-6 CONN FPC 16POS 1MM RT ANG SMD
1-1734839-7 CONN FPC 17POS .5MM RT ANG SMD
84984-8 CONN FFC 8POS 1.0MM DIP VERT T/H
相关代理商/技术参数
参数描述
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