SN74HCS125: SN74HCS125PWR vs SN74AHC125PWR

Mark Chen52

Expert 7495 points

Part Number: SN74HCS125

Hi,

Would you please kindly help to check does SN74HCS125PWR could replace with SN74AHC125PWR directly or not ?

Regards,

Mark

over 2 years ago

0 Emrys Maier over 2 years ago

TI__Guru* 97046 points

Hi Mark,

Under what conditions? How is the device used. Please provide electrical details.

0 Clemens Ladisch over 2 years ago

Guru 311290 points

AHC is faster, and has overvoltage-tolerant inputs. HCS has Schmitt-trigger inputs with clamping diodes to V_CC. If your input signals have fast edges and do not exceed V_CC, these differences do not matter.

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SN74HCS125: SN74HCS125PWR vs SN74AHC125PWR