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IDT74FCT2257DTSOB规格书详情
DESCRIPTION:
The FCT157T, FCT257T/FCT2257T are high-speed quad 2-input multiplexers built using an advanced dual metal CMOS technology. Four bits of data from two sources can be selected using the common select input. The four buffered outputs present the selected data in the true (non-inverting) form.
The FCT157T has a common, active-LOW, enable input. When the enable input is not active, all four outputs are held LOW. A common application of ‘FCT157T is to move data from two different groups of registers to a common bus. Another application is as a function generator. The ‘FCT157T can generate any four of the 16 different functions of two variables with one variable common.
The FCT257T/FCT2257T have a common Output Enable (OE) input. When OE is HIGH, all outputs are switched to a high-impedance state allowing the outputs to interface directly with bus-oriented systems.
The FCT2257T has balanced output drive with current limiting resistors. This offers low ground bounce, minimal undershoot and controlled output fall times-reducing the need for external series terminating resistors. FCT2xxxT parts are plug-in replacements for FCTxxxT parts.
FEATURES:
• Common features:
– Low input and output leakage ≤1µA (max.)
– CMOS power levels
– True TTL input and output compatibility
– VOH = 3.3V (typ.)
– VOL = 0.3V (typ.)
– Meets or exceeds JEDEC standard 18 specifications
– Product available in Radiation Tolerant and Radiation Enhanced versions
– Military product compliant to MIL-STD-883, Class B and DESC listed (dual marked)
– Available in DIP, SOIC, SSOP, QSOP, CERPACK and LCC packages
• Features for FCT157T/257T:
– Std., A, C and D speed grades
– High drive outputs (-15mA IOH, 48mA IOL)
• Features for FCT2257T:
– Std., A, and C speed grades
– Resistor outputs (-15mA IOH, 12mA IOL Com.) (-12mA IOH, 12mA IOL Mil.)
– Reduced system switching noise
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
IDT |
05+ |
原厂原装 |
4251 |
只做全新原装真实现货供应 |
询价 | ||
IDT |
23+ |
SOP7.2 |
50000 |
全新原装正品现货,支持订货 |
询价 | ||
IDT |
22+ |
SOP20 |
50000 |
只做原装正品,假一罚十,欢迎咨询 |
询价 | ||
IDT |
2020+ |
SOP7.2 |
80000 |
只做自己库存,全新原装进口正品假一赔百,可开13%增 |
询价 | ||
IDT |
22+ |
SOP |
32350 |
原装正品 假一罚十 公司现货 |
询价 | ||
IDT |
250 |
SOP7.2 |
2000 |
一级代理,专注军工、汽车、医疗、工业、新能源、电力 |
询价 | ||
IDT |
23+ |
20TSSOP |
9526 |
询价 | |||
IDT |
22+ |
SOP20 |
2560 |
绝对原装!现货热卖! |
询价 | ||
IDT |
21+ |
SOP7.2 |
20000 |
原厂订货价格优势,可开13%的增值税票 |
询价 | ||
IDT |
23+24 |
SOP |
39820 |
原装正品优势渠道价格合理.可开13%增值税 |
询价 |