How to Find Equivalent Electronic Components easyer?
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The first method is to replace the old version with the new version:
The second type is industrial replacement of commercial.
The third method is to replace small memory with large memory.
Finally, let’s talk about alternatives from different brands but with the same functions.

-Original content, please do not reprint

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When the supply of chips is in short supply, it is very difficult to find alternative models. It is a big challenge to encounter situations where the models are not fully compatible or the performance is matched but the packaging is wrong and the circuit needs to be revised. Today we are sharing chip replacement. No need to change some ideas of the design.


The first method is to replace the old version with the new version:

Some models of chips will undergo some upgrades with different development cycles, such as functional corrections or deletion of redundant designs. After more changes are made and the functions are improved, the old products will be discontinued and new models will be used to cover and replace the old ones. model, here is an example for you to see

Some models of chips will undergo some upgrades with different development cycles:Chip model、development cycle、upgrade.

Such as functional corrections or deletion of redundant designs. After more changes are made, the functions are improved.eg:e.g:Function、correct correction、Remove redundant designs.The old product will be discontinued and the new model will be used to cover and replace the old model.

Products based on your search:

PART

MC68HC908GP32CFB

IVC HC908 FLASH

No Longer Manufactured

MC68HC908GP32CFB has been discontinued for a long time. The new replacement part is MC908GP32CFBE. The new part can completely cover the old part , but the old part  generally cannot replace the new part . Since most of the functions of new products have been upgraded and iterated, if the products developed on this basis are used back, some problems will arise.


The second type is industrial replacement of commercial. 

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Industrial-grade or automotive-grade chips have higher temperature resistance than commercial-grade chips, so their performance is better and they can be backward compatible.

Even if the temperature resistance of many components is not automotive grade, there are two types: industrial and commercial. If the product you are out of stock is commercial, congratulations, you can find an industrial one as an emergency replacement. Let me show you a set of examples.

MC9S12XA256VAA:The temperature of this model is industrial grade, -40 to 105:

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Parameter

Value

Supply Voltage [max](V)

5.5
Supply Voltage [min](V)3.15
Ambient Operating Temperature (Min to Max)(°C)-40 to 105
GPIO91

MC9S12XA256CAA:The temperature of this model is commercial grade -40 to 85:

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Therefore, the suffix VAA can replace CAA, but the one with lower temperature cannot replace the one with higher temperature, unless the working environment of the product does not need to reach the extreme temperature of 105°

S9S12XS128J1MAA :The temperature is -40 to 125

Parameter

Value
CAN1
SPI1
Supply Voltage [max] (V)

5.5

Supply Voltage [min] (V)3.13
Ambient Operating Temperature (Min to Max)(°C)-40 to 125
GPIO59


The third method is to replace small memory with large memory. 

Small memory can also be replaced by components with larger memory.

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Components with small memory can also be replaced by components with larger memory. Except for the difference in memory, the other parameters and functions of the same series, including packaging, are the same, so there is no need to revise or modify the solution. Let me give you an example to show you.

S9S12HA48J0CLL:The FLASH size of this HA48 model is 48kb

Parameter

Value
Flash (kB)48

RAM (KB)

4
EEPROM (kB)4
Operating Frequency [Max](MHz)32
SPI
1

S9S12HA32J0CLL:For this HA32 part, the Flash size is (kB) 32KB, so 48KB can be used instead of 32kB. The only disadvantage is that the cost of larger memory may be higher, but this may not necessarily be the case when the chip market fluctuates.

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Finally, let’s talk about alternatives from different brands but with the same functions.

especially common devices that generally have multiple brands to choose from, such as.LM358 is available if you can find the brand:ON、TI、ST.

The brand selection range of LM393DR is similar to that of LM358.

In addition to some relatively basic chips, in recent years there have also been some domestic components that are substitutes for standard imported models. For example, STM32F407ZGT6, there are products launched by some domestic brands that can completely replace them.


https://www.youtube.com/watch?v=NysbcPx28xY

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