CY7C65632LT&CY7C65634 design question

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Augustine_Yeh
Level 4
Level 4
Distributor - Zenitron(GC)
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Hi Cypress

We know CY7C65632LT&CY7C65634 27pin(QFN) have to connect to 5V when use external regulator ,  But we need  a second source for GL850-OHY50, Can we connect CY7C65632LT&CY7C65634 of pin 28 and pin 27 to 3.3V for normal work , Thank !!

 

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MallikaK_22
Moderator
Moderator
Moderator
50 likes received 750 replies posted 250 solutions authored

Hi,

When using external regulation, for the 28-pin package, the 3.3 V output from the external regulator has to be connected to VREG, VCC_A and VCC_D. The VCC pin has to be left open with no connection.

Regards,

Mallika

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MallikaK_22
Moderator
Moderator
Moderator
50 likes received 750 replies posted 250 solutions authored

Hi,

When using external regulation, for the 28-pin package, the 3.3 V output from the external regulator has to be connected to VREG, VCC_A and VCC_D. The VCC pin has to be left open with no connection.

Regards,

Mallika

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