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What is the pin spacing between TSSOP package and SSOP package? Is there any difference between these two bags?
The pin pitch of SSOP package is 0.635 mm, and that of TSSOP package is 0.65 mm. ..

First, the characteristics are different.

1, TSSOP package: SOP with a height less than 1.27mm is assembled.

2.SSOP package: SOP with pin center distance less than1.27mm. ..

Second, the packaging methods are different.

1, TSSOP package: denser pins and smaller package size for the same function.

2.SSOP package: one of the surface mount packages, the leads are led out from both sides of the package in a gull-wing (L-shaped) shape.

Third, the use is different.

1, TSSOP package: it can be made into SD card, MiniSD card and CF card through SMD or integrated into different terminal products such as MP3/MP4 and mobile storage, which is flexible and changeable.

2.SSOP packaging: plastic packaging, widely used, mainly used in various integrated circuits.

Baidu encyclopedia -SOP package

Baidu encyclopedia -TSSOP