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Thermal impedance, Solder reflow peak temperature – Cypress enCoRe CY7C64215 User Manual

Page 28

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CY7C64215

Document 38-08036 Rev. *C

Page 28 of 30

Figure 10. 28-Pin Shrunk Small Outline Package

Thermal Impedance

Solder Reflow Peak Temperature

Following is the minimum solder reflow peak temperature to achieve good solderability.

Table 27. Thermal Impedance for the Package

Package

Typical

θ

JA

*

56 Pin MLF

20

o

C/W

28 Pin SSOP

96

o

C/W

* T

J

= T

A

+ POWER x

θ

JA

51-85079-*C

Table 28. Solder Reflow Peak Temperature

Package

Minimum Peak Temperature*

Maximum Peak Temperature

56 Pin MLF

240°C

260°C

28 Pin SSOP

240°C

260°C

*Higher temperatures may be required based on the solder melting point. Typical temperatures for solder are 220±5°C with
Sn-Pb or 245±5°C with Sn-Ag-Cu paste. Refer to the solder manufacturer specifications.

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