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Array Efficiency Formula

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Array Efficiency is defined as the bitcell size divided by the ACPB. In order to normalize this metric, independent of technology node. Check FAQs

E = \frac{A bit \cdot f abs}{A}

E - Array Efficiency?A_bit - Area of One Bit Memory Cell?f_abs - Absolute Frequency?A - Area of Memory Cell?

Array Efficiency Example

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With units

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Here is how the Array Efficiency equation looks like with Values.

Here is how the Array Efficiency equation looks like with Units.

Here is how the Array Efficiency equation looks like.

0.88 = \frac{47.72 \cdot 10}{542.27}

0.88 = \frac{47.72mm² \cdot 10Hz}{542.27mm²}

0.88 = \frac{47.72 \cdot 10}{542.27}

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Array Efficiency Solution

Follow our step by step solution on how to calculate Array Efficiency?

FIRST Step Consider the formula

E = \frac{A bit \cdot f abs}{A}

Next Step Substitute values of Variables

∴

E = \frac{47.72mm² \cdot 10Hz}{542.27mm²}

Next Step Convert Units

∴

E = \frac{4.8E-5m² \cdot 10Hz}{0.0005m²}

Next Step Prepare to Evaluate

∴

E = \frac{4.8E-5 \cdot 10}{0.0005}

Next Step Evaluate

∴

E = 0.880004425839526

LAST Step Rounding Answer

∴

E = 0.88

Array Efficiency Formula Elements

Variables

Array Efficiency

Array Efficiency is defined as the bitcell size divided by the ACPB. In order to normalize this metric, independent of technology node.

Symbol: E

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Array Efficiency

Area of One Bit Memory Cell

Area of One Bit memory cell is defined as the memory cell, which is an electronic circuit that stores one bit of binary information. It must be set to store a logic 1 and reset to store a logic 0.

Symbol: A_bit

Measurement: AreaUnit: mm²

Note: Value should be greater than 0.

Formulas to find Area of One Bit Memory Cell

Absolute Frequency

Absolute Frequency is the number of occurrences of a particular data point in a dataset. It represents the actual count or tally of how many times a specific value appears in the data.

Symbol: f_abs

Measurement: FrequencyUnit: Hz

Note: Value should be greater than 0.

Formulas to find Absolute Frequency

Area of Memory Cell

Area of Memory Cell is defined as the total area occupied by the N number of bits of memory.

Symbol: A

Measurement: AreaUnit: mm²

Note: Value should be greater than 0.

Formulas to find Area of Memory Cell

Other formulas in Array Datapath Subsystem category

Go Ground Capacitance

C gnd = (\frac{V agr \cdot C adj}{V tm}) - C adj

Go Carry-Ripple Adder Critical Path Delay

T ripple = t pg + (N gates - 1) \cdot T ao + T xor

Go 'XOR' Delay

T xor = T ripple - (t pg + (N gates - 1) \cdot T ao)

Go N-Bit Carry-Skip Adder

N carry = n \cdot K

How to Evaluate Array Efficiency?

Array Efficiency evaluator uses Array Efficiency = (Area of One Bit Memory Cell*Absolute Frequency)/Area of Memory Cell to evaluate the Array Efficiency, The Array efficiency formula is defined as the bitcell size divided by the ACPB to normalize this metric independent of technology node. Array Efficiency is denoted by E symbol.

How to evaluate Array Efficiency using this online evaluator? To use this online evaluator for Array Efficiency, enter Area of One Bit Memory Cell (A_bit), Absolute Frequency (f_abs) & Area of Memory Cell (A) and hit the calculate button.

FAQs on Array Efficiency

What is the formula to find Array Efficiency?

The formula of Array Efficiency is expressed as Array Efficiency = (Area of One Bit Memory Cell*Absolute Frequency)/Area of Memory Cell. Here is an example- 10 = (4.772E-11*10)/0.00054227.

How to calculate Array Efficiency?

With Area of One Bit Memory Cell (A_bit), Absolute Frequency (f_abs) & Area of Memory Cell (A) we can find Array Efficiency using the formula - Array Efficiency = (Area of One Bit Memory Cell*Absolute Frequency)/Area of Memory Cell.

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Array Efficiency Formula

Array Efficiency Example

Array Efficiency Solution

Array Efficiency Formula Elements

Other formulas in Array Datapath Subsystem category

How to Evaluate Array Efficiency?

FAQs on Array Efficiency

Variable Name