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M74HC643M1R中文資料
M74HC643M1R數(shù)據(jù)手冊規(guī)格書PDF詳情
DESCRIPTION
The M54/74HC245, HC640 and HC643 utilise silicon gate C2MOS technology to achive operating speeds equivalent to LSTTL devices.
Along with the low power dissipation and high noise immunity of standards C2MOS integrated circuit, it possesses the capability to drive 15 LSTTL loads.
These IC’s are intended for two-way asynchronous communication between data buses, and the direction of data trasmission is determined by DIR input. The enable input (G) can be used to disable the device so that the buses are effectively isolated.
All input are equipped with protection circuits against staticdischarge and transient discharge and transient excess voltage.
IT IS PROHIBITED TO APPLY A SIGNAL TO A BUS TERMINAL WHEN IT IS IN OUTPUT MODE AND WHEN A BUS THERMINAL IS FLOATING (HIGH IMPEDANCE STATE), IT IS REQUESTED TO FIX THE INPUT LEVEL BY MEANS OF EXTERNAL PULL DOWN OR PULL UP RESISTOR.
■ HIGH SPEED
tPD = 10 ns (TYP.) at VCC = 5V
■ LOW POWER DISSIPATION
ICC = 4 μA (MAX.) at TA = 25 oC
■ HIGH NOISE IMMUNITY
VNIH = VINL = 28 VCC (MIN.)
■ OUTPUT DRIVE CAPABILITY 15 LSTTL LOADS
■ SYMMETRICAL OUTPUT IMPEDANCE
|IOH| = IOL = 6 mA (MIN)
■ BALANCED PROPAGATION DELAYS tPLH = tPHL
■ WIDE OPERATING VOLTAGE RANGE
VCC (OPR) = 2 V TO 6 V
■ PIN AND FUNCTION COMPATIBLE WITH 54/74LS245/640/643
| 供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
ST |
24+ |
DIP-24 |
600 |
||||
STM |
24+ |
DIP-24 |
5000 |
全現(xiàn)原裝公司現(xiàn)貨 |
|||
ST |
24+ |
DIP-24 |
28500 |
授權(quán)代理直銷,原廠原裝現(xiàn)貨,假一罰十,特價(jià)銷售 |
|||
SGS |
23+ |
DIP |
12000 |
原裝正品假一罰百!可開增票! |
|||
ST/意法 |
23+ |
DIP-24 |
50000 |
全新原裝正品現(xiàn)貨,支持訂貨 |
|||
SGS |
23+ |
DIP |
13000 |
原廠授權(quán)一級(jí)代理,專業(yè)海外優(yōu)勢訂貨,價(jià)格優(yōu)勢、品種 |
|||
SGS |
22+ |
DIP |
30000 |
十七年VIP會(huì)員,誠信經(jīng)營，一手貨源，原裝正品可零售！ |
|||
SGS |
23+ |
DIP |
89630 |
當(dāng)天發(fā)貨全新原裝現(xiàn)貨 |
|||
ST/意法 |
24+ |
NA/ |
765 |
優(yōu)勢代理渠道,原裝正品,可全系列訂貨開增值稅票 |
|||
ST/意法 |
24+ |
SOP-247.2MM |
3000 |
原裝現(xiàn)貨假一賠十 |
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STMICROELECTRONICS相關(guān)芯片制造商
Datasheet數(shù)據(jù)表PDF頁碼索引
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STMicroelectronics 意法半導(dǎo)體集團(tuán)
中文資料: 162265條
意法半導(dǎo)體 (STMicroelectronics) 成立于1987年，總部位于瑞士日內(nèi)瓦和法國巴黎，是一家全球領(lǐng)先的半導(dǎo)體公司。意法半導(dǎo)體專注于設(shè)計(jì)、制造和銷售各種半導(dǎo)體解決方案，產(chǎn)品廣泛應(yīng)用于汽車、工業(yè)、消費(fèi)電子、通信等領(lǐng)域。 意法半導(dǎo)體的產(chǎn)品包括微控制器、模擬集成電路、功率半導(dǎo)體、傳感器等。公司擁有多個(gè)研發(fā)中心和生產(chǎn)基地，致力于技術(shù)創(chuàng)新和研發(fā)投入。意法半導(dǎo)體在全球范圍內(nèi)擁有廣泛的客戶群和合作伙伴，為客戶提供高品質(zhì)的產(chǎn)品和解決方案。 公司的使命是通過半導(dǎo)體技術(shù)推動(dòng)智能化和可持續(xù)發(fā)展，助力客戶取得成功。意法半導(dǎo)體不僅注重商業(yè)成功，還注重社會(huì)責(zé)任、環(huán)境保護(hù)和可持續(xù)經(jīng)營。企業(yè)價(jià)值觀包括創(chuàng)新、尊重
