Datasheet > ATF1502AS-7JX44-T

ATF1502AS-7JX44-T

更新时间： 2022-12-01 22:24:20

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ATF1502AS-7JX44-T 数据手册

Programmable Pin-keeper Option for Inputs and I/Os

The ATF1502AS(L) offers the option of programming all input and I/O pins so the pin-keeper circuits can be

utilized. When any pin is driven high or low and then subsequently left floating, it will stay at that previous high or

low level. This circuitry prevents unused input and I/O lines from floating to intermediate voltage levels, which

causes unnecessary power consumption and system noise. The keeper circuits eliminate the need for external

pull-up resistors and eliminate their DC power consumption.

Figure 4-1.

Input Diagram

V_CC

Input

100K

ESD

Protection

Circuit

Programmable

Option

Figure 4-2.

I/O Diagram

V_CC

I/O

Data

V_CC

100K

Programmable

Option

ATF1502AS(L) [DATASHEET]

Atmel-0995L-CPLD-ATF1502AS(L)-Datasheet_032014

1...4 5 678 9 10...29

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