UPD4990AC中文資料瑞薩數(shù)據(jù)手冊(cè)PDF規(guī)格書
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UPD4990AC規(guī)格書詳情
FEATURES
? Built-in counters for time (hour, minute, and second) and date (year, month, day, and week)
? Leap years are adjusted automatically.
? Data is represented in BCD notation (except months in hexadecimal notation) and input/output serially.
? Commands can be set by inputting serial data.
? Selective timing pulses (TPs) are 64 Hz, 256 Hz, 2 048 Hz, and 4 096 Hz and selective output intervals are 1, 10, 30, and 60 seconds.
| 供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
NEC |
23+ |
NA/ |
5384 |
原廠直銷,現(xiàn)貨供應(yīng),賬期支持! |
詢價(jià) | ||
NEC |
2020+ |
DIP14 |
80000 |
只做自己庫存,全新原裝進(jìn)口正品假一賠百,可開13%增 |
詢價(jià) | ||
NEC |
11+ |
DIP-16 |
2134 |
一級(jí)代理,專注軍工、汽車、醫(yī)療、工業(yè)、新能源、電力 |
詢價(jià) | ||
NEC |
24+ |
DIP14P |
6868 |
原裝現(xiàn)貨,可開13%稅票 |
詢價(jià) | ||
NEC |
2017+ |
DIP14 |
6528 |
只做原裝正品假一賠十! |
詢價(jià) | ||
NEC |
23+ |
原廠封裝 |
9896 |
詢價(jià) | |||
NEC |
DIP14L |
396379 |
集團(tuán)化配單-有更多數(shù)量-免費(fèi)送樣-原包裝正品現(xiàn)貨-正規(guī) |
詢價(jià) | |||
NEC |
589220 |
16余年資質(zhì) 絕對(duì)原盒原盤 更多數(shù)量 |
詢價(jià) | ||||
UPD4990AC |
3690 |
3690 |
詢價(jià) | ||||
NEC |
24+ |
DIP-16 |
3000 |
自己現(xiàn)貨 |
詢價(jià) |
