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Utsource certified used parts
Las piezas usadas certificadas por Utsource ofrecen las siguientes garantías:
1. Utsource inspeccionará los productos, incluida la inspección de apariencia (sin daños serios en la apariencia), seleccionará proveedores calificados y honestos, y asegurará una tasa de calificación del 98%.
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3. Las piezas certificadas de Utsource pueden devolverse y reembolsarse incondicionalmente dentro de los 60 días.
Descripción de producto
The ’HC670 and CD74HCT670 are 16-bit register files organized as 4 words x 4 bits each. Read and write address and enable inputs allow simultaneous writing into one location while reading another. Four data inputs are provided to store the 4-bit word. The write address inputs (WA0 and WA1) determine the location of the stored word in the register. When write enable (WE\) is low the word is entered into the address location and it remains transparent to the data. The outputs will reflect the true form of the input data. When (WE\) is high data and address inputs are inhibited. Data acquisition from the four registers is made possible by the read address inputs (RA1 and RA0). The addressed word appears at the output when the read enable (RE\) is low. The output is in the high impedance state when the (RE\) is high. Outputs can be tied together to increase the word capacity to 512 x 4 bits.
Título
High Speed CMOS Logic 4-by-4 Register File
Todos los nombres de productos, marcas registradas, marcas y logotipos utilizados en este sitio son propiedad de sus respectivos dueños. La representación, descripción o venta de productos con estos nombres, marcas comerciales, marcas y logotipos es solo para fines de identificación y no pretende indicar ninguna afiliación o autorización por parte de ningún titular de derechos.
Features
● Simultaneous and Independent Read and Write Operations
● Expandable to 512 Words of n-Bits
● Three-State Outputs
● Organized as 4 Words x 4 Bits Wide
● Buffered Inputs
● Typical Read Time = 16ns for ’HC670 VCC = 5V, CL =15pF, TA = 25℃
● Fanout (Over Temperature Range)
— Standard Outputs ..........................................10 LSTTL Loads
— Bus Driver Outputs ........................................15 LSTTL Loads
● Wide Operating Temperature Range.............. -55℃ to 125℃
● Balanced Propagation Delay and Transition Times
● Significant Power Reduction Compared to LSTTL Logic ICs
● HC Types
— 2V to 6V Operation
— High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
● HCT Types
— 4.5V to 5.5V Operation
— Direct LSTTL Input Logic Compatibility, VIL= 0.8V (Max), VIH = 2V (Min)
— CMOS Input Compatibility, Il≤1μA at VOL, VOH
Description
The ’HC670 and CD74HCT670 are 16-bit register files organized as 4 words x 4 bits each. Read and write address and enable inputs allow simultaneous writing into one location while reading another. Four data inputs are provided to store the 4-bit word. The write address inputs (WA0 and WA1) determine the location of the stored word in the register. When write enable (WE) is low the word is entered into the address location and it remains transparent to the data. The outputs will reflect the true form of the input data. When (WE) is high data and address inputs are inhibited. Data acquisition from the four registers is made possible by the read address inputs (RA1 and RA0). The addressed word appears at the output when the read enable (RE) is low. The output is in the high impedance state when the (RE) is high. Outputs can be tied together to increase the word capacity to 512 x 4 bits.
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HCT Types to 5.5V Operation - Direct LSTTL Input Logic Compatibility, VIL= 0.8V (Max), VIH = 2V (Min) - CMOS Input Compatibility, 1µA at VOL, VOH
The 'HC670 and CD74HCT670 are 16-bit register files organized as 4 words x 4 bits each. Read and write address and enable inputs allow simultaneous writing into one location while reading another. Four data inputs are provided to store the 4-bit word. The write address inputs (WA0 and WA1) determine the location of the stored word in the register. When write enable (WE) is low the word is entered into the address location and it remains transparent to the data. The outputs will reflect the true form of the input data. When (WE) is high data and address inputs are inhibited. Data acquisition from the four registers is made possible by the read address inputs (RA1 and RA0). The addressed word appears at the output when the read enable (RE) is low. The output is in the high impedance state when the (RE) is high. Outputs can be tied together to increase the word capacity x 4 bits.
NOTE: When ordering, use the entire part number. The suffix 96 denotes tape and reel. The suffix T denotes a small-quantity reel of 250.
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
1. The Write Address (WA0 and WA1) to the "internal latches" must be stable while WE is LOW for conventional operation.
2. The selection of the "internal latches" by Read Address (RA0 and RA1) are not constrained or RE operation. H = High Voltage Level L = Low Voltage Level X= Don't Care Z = High Impedance "Off" State
DC Supply Voltage, VCC. 7V DC Input Diode Current, IIKto 6V HCT 5.5V DC Input or Output Voltage, VI, VO. 0V to VCC Input Rise and Fall Time 2V. 1000ns (Max) 4.5V. 500ns (Max) 6V. 400ns (Max)
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
3. The package thermal impedance is calculated in accordance with JESD 51-7.Algún número de pieza del mismo fabricante
Misma categoría
457 reseñas de compradores de Mexico
Lauren Smith
Length of registration:7 years
The CD74HCT670E is an integrated circuit from Texas Instruments that is designed for high-speed logic applications. It is a high-performance, low-power device that is capable of operating at speeds up to 25 MHz. It has a wide range of features including low-power consumption, high noise immunity, and high speed. It is also designed to be compatible with a variety of logic families. Utsource is a r
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03/17/2023
Huzii Oleksandr
Length of registration:6 years
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06/26/2018
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CD74HCT670E
CD74HCT670E tiene varias marcas en todo el mundo que pueden tener nombres alternativos para CD74HCT670E debido a diferencias o adquisiciones regionales. CD74HCT670E también se conoce con los siguientes nombres:
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