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M74HC640M1R中文資料
M74HC640M1R數(shù)據(jù)手冊(cè)規(guī)格書(shū)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(kù)存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
ST |
23+ |
DIP20 |
16900 |
正規(guī)渠道,只有原裝! |
|||
ST |
25+ |
DIP20 |
16900 |
原裝，請(qǐng)咨詢 |
|||
ST |
2511 |
DIP20 |
16900 |
電子元器件采購(gòu)降本 30%!盈慧通原廠直采,砍掉中間差價(jià) |
|||
SGS |
新 |
420 |
全新原裝 貨期兩周 |
||||
SGS |
25+23+ |
DIP20 |
14230 |
絕對(duì)原裝正品全新進(jìn)口深圳現(xiàn)貨 |
|||
SGS |
22+ |
DIP20 |
26883 |
原裝正品現(xiàn)貨 |
|||
SGS |
2447 |
DIP20 |
100500 |
一級(jí)代理專(zhuān)營(yíng)品牌!原裝正品,優(yōu)勢(shì)現(xiàn)貨,長(zhǎng)期排單到貨 |
|||
SGS |
21+ |
DIP20 |
1709 |
||||
SGS |
24+ |
DIP20 |
9600 |
原裝現(xiàn)貨,優(yōu)勢(shì)供應(yīng),支持實(shí)單! |
|||
SGS |
21+ |
DIP20 |
6000 |
全新原裝 現(xiàn)貨 價(jià)優(yōu) |
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STMICROELECTRONICS相關(guān)芯片制造商
Datasheet數(shù)據(jù)表PDF頁(yè)碼索引
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中文資料: 162275條
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