HD74HC149中文資料瑞薩數(shù)據(jù)手冊(cè)PDF規(guī)格書(shū)
| 廠商型號(hào) |
HD74HC149 |
| 功能描述 | 8-to-8-line Priority Encoder |
| 文件大小 |
169.09 Kbytes |
| 頁(yè)面數(shù)量 |
10 頁(yè) |
| 生產(chǎn)廠商 | RENESAS |
| 中文名稱 | 瑞薩 |
| 網(wǎng)址 | |
| 數(shù)據(jù)手冊(cè) | |
| 更新時(shí)間 | 2025-8-16 18:19:00 |
| 人工找貨 | HD74HC149價(jià)格和庫(kù)存，歡迎聯(lián)系客服免費(fèi)人工找貨 |
HD74HC149規(guī)格書(shū)詳情
描述 Description
The HD74HC149 is priority encoder which has 8 input lines (0 - 7) and 8 output lies (Y0 - Y7).
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.
特性 Features
? High Speed Operation: tpd (0 - 7 to Y) = 16 ns typ (CL = 50 pF)
? High Output Current: Fanout of 10 LSTTL Loads
? Wide Operating Voltage: VCC = 2 to 6 V
? Low Input Current: 1 μA max
? Low Quiescent Supply Current: ICC (static) = 4 μA max (Ta = 25°C)
| 供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫(kù)存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
HIT |
98+ |
SOP14 |
60 |
一級(jí)代理,專(zhuān)注軍工、汽車(chē)、醫(yī)療、工業(yè)、新能源、電力 |
詢價(jià) | ||
RENESAS |
2016+ |
SOP14 |
6523 |
只做進(jìn)口原裝現(xiàn)貨!假一賠十! |
詢價(jià) | ||
HIT |
00+ |
SOP14 |
2255 |
全新原裝進(jìn)口自己庫(kù)存優(yōu)勢(shì) |
詢價(jià) | ||
JAT |
23+ |
SOT |
52659 |
##公司主營(yíng)品牌長(zhǎng)期供應(yīng)100%原裝現(xiàn)貨可含稅提供技術(shù) |
詢價(jià) | ||
RENESAS |
23+ |
NA |
575 |
專(zhuān)做原裝正品,假一罰百! |
詢價(jià) | ||
RENESAS |
22+ |
SOP14 |
8000 |
原裝正品支持實(shí)單 |
詢價(jià) | ||
RENESAS |
23+ |
SOP |
7000 |
絕對(duì)全新原裝!100%保質(zhì)量特價(jià)!請(qǐng)放心訂購(gòu)! |
詢價(jià) | ||
24+ |
SOP |
100 |
詢價(jià) | ||||
HIT |
24+ |
DIP |
66500 |
鄭重承諾只做原裝進(jìn)口現(xiàn)貨 |
詢價(jià) | ||
HIT |
24+ |
SOP14 |
5000 |
全新原裝正品,現(xiàn)貨銷(xiāo)售 |
詢價(jià) |
