音影先锋亚洲天堂网|电影世界尽头的爱完整版播放|国产 熟女 91|高清无码免费观看欧美日韩|韩国一区二区三区黄色录像|美女亚洲加勒比在线|亚洲综合网 开心五月|7x成人在线入口|成人网站免费日韩毛片区|国产黄片?一级?二级?三级

HD74HC149RP Datasheet

  • HD74HC149RP

  • ENCODER|HC-CMOS|SOP|20PIN|PLASTIC

  • 9頁

  • ETC

掃碼查看芯片數(shù)據(jù)手冊

上傳產品規(guī)格書

PDF預覽

HD74HC149
8-to-8-line Priority Encoder
Description
The HD74HC149 is priority encoder which has 8 input lines (0 - 7) and 8 output lies (Y
0
- Y
7
).
It is the logical combination of a HD74HC148 8-3 line priority encoder driving a HD74HC138 3-8 line
decoder.
Only one request output can be low at a time. The output that is low is dependent on the highest priority
request that is low. The order of priority is 7 highest and 0 lowest.
When
E
input is high, all outputs are high.
When a output (Y
0
- Y
7
) is low,
P
output is low and this indicates active condition.
Features
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
High Speed Operation: t
pd
(0 - 7 to Y) = 16 ns typ (C
L
= 50 pF)
High Output Current: Fanout of 10 LSTTL Loads
Wide Operating Voltage: V
CC
= 2 to 6 V
Low Input Current: 1 碌A max
Low Quiescent Supply Current: I
CC
(static) = 4 碌A max (Ta = 25擄C)

HD74HC149RP相關型號PDF文件下載

掃碼下載APP，
一鍵連接廣大的電子世界。

在線人工客服

買家服務：
賣家服務：
技術客服：

0571-85317607

網(wǎng)站技術支持

13606545031

客服在線時間周一至周五
9:00-17:30

關注官方微信號，
第一時間獲取資訊。

建議反饋

聯(lián)系人：

聯(lián)系方式：

按住滑塊，拖拽到最右邊
>>
感謝您向阿庫提出的寶貴意見，您的參與是維庫提升服務的動力！意見一經采納，將有感恩紅包奉上哦！