A digital still camera module includes an image sensor package (2) and a lens barrel (30) mounted on the image sensor package. The image sensor package includes a substrate (20), an image sensor chip (22), and a cover (28). The substrate defines a receiving chamber (203) therein. The image sensor chip mounted in the receiving chamber of the substrate. The cover, which is transparent and has a smaller profile than that of the substrate, is secured to the top portion of the substrate thereby sealing the receiving chamber. The top portion of the substrate has an uncovered section (29) at a periphery of the cover. The lens barrel includes at least one lens (31) received therein. The lens barrel is securely attached to the uncovered section of the top portion of the substrate.