Abstract: A microelectronic package can include a substrate and a microelectronic element having a rear face facing a first surface of the substrate, a front face, and a column of element contacts extending in a first direction. The microelectronic element can include stacked electrically interconnected semiconductor chips. Edges of the microelectronic element can define an axial plane extending in the first direction and a third direction normal to the rear face. The package can include columns of terminals extending in the first direction at a second surface of the substrate. The terminals can include first terminals exposed in a central region of the second surface and configured to carry address information usable by circuitry within the package to determine an addressable memory location. The central region may have a width not more than 3.5 times a minimum pitch between adjacent terminal columns. The axial plane can intersect the central region.

Abstract: A system or microelectronic assembly can include one or more microelectronic packages each having a substrate and a microelectronic element having a face and one or more columns of contacts thereon which face and are joined to corresponding contacts on a surface of the substrate. An axial plane may intersect the face along a line in the first direction and centered relative to the columns of element contacts. Columns of package terminals can extend in the first direction. First terminals in a central region of the second surface can be configured to carry address information usable to determine an addressable memory location within the microelectronic element. The central region may have a width not more than three and one-half times a minimum pitch between the columns of package terminals. The axial plane can intersect the central region.

Abstract: A microelectronic package can include a substrate and a microelectronic element having a rear face facing a first surface of the substrate, a front face, and a column of element contacts extending in a first direction. Edges of the microelectronic element can define an axial plane extending in the first direction and a third direction normal to the rear face. The package can include columns of terminals extending in the first direction at a second surface of the substrate. The terminals can include first terminals exposed in a central region of the second surface and configured to carry address information usable by circuitry within the package to determine an addressable memory location within the microelectronic element. The central region may have a width not more than three and one-half times a minimum pitch between any two adjacent columns of the terminals. The axial plane can intersect the central region.

Abstract: A microelectronic assembly can include a circuit panel having first and second panel contacts at respective first and second surfaces thereof, and first and second microelectronic packages each having terminals mounted to the respective panel contacts. Each package can include a microelectronic element having a face and contacts thereon, a substrate having first and second surfaces, and terminals on the second surface configured for connecting the package with an external component. The terminals can include first terminals at positions within first and second parallel grids. The first terminals can be configured to carry address information usable by circuitry within the package to determine an addressable memory location from among all the available addressable memory locations of a memory storage array within the microelectronic element. Signal assignments of the first terminals in the first grid can be a mirror image of signal assignments of the first terminals in the second grid.

Abstract: A microelectronic package can include a substrate having first and second opposed surfaces and first and second apertures extending between the first and second surfaces, first and second microelectronic elements each having a surface facing the first surface of the substrate, a plurality of terminals exposed at the second surface in a central region thereof, and leads electrically connected between contacts of each microelectronic element and the terminals. The apertures can have first and second parallel axes extending in directions of the lengths of the respective apertures. The central region of the second surface can be disposed between the first and second axes. The terminals can be configured to carry address information usable by circuitry within the microelectronic package to determine an addressable memory location from among all the available addressable memory locations of a memory storage array within the microelectronic elements.

Abstract: A microelectronic package can include a microelectronic element having a face and a plurality of element contacts thereon, a substrate having first and second surfaces, and terminals on the second surface configured for connecting the package with at least one external component. The substrate can have substrate contacts on the first surface facing the element contacts of the microelectronic element and joined thereto. The terminals can include first terminals arranged at positions within first and second parallel grids. The first terminals of each grid can be configured to carry address information usable by circuitry within the microelectronic package to determine an addressable memory location from among all the available addressable memory locations of a memory storage array within the microelectronic element. The signal assignments of the first terminals in the first grid can be a mirror image of the signal assignments of the first terminals in the second grid.

Abstract: A microelectronic assembly can include a circuit panel having first and second surfaces and panel contacts at each surface, and first and second microelectronic packages having terminals mounted to the panel contacts at the first and second surfaces, respectively. The circuit panel can electrically interconnect terminals of the first package with corresponding terminals of the second package. Each package can include a substrate having first and second surfaces, a microelectronic element, conductive structure extending above a front face of the microelectronic element, and parallel columns of terminals at the second surface. The terminals of each package can include first terminals in a central region of the respective second surface and configured to carry address information usable by circuitry within the package to determine an addressable memory location within the respective microelectronic element.

Abstract: A microelectronic package can include a microelectronic element having a face and a plurality of element contacts thereon, a substrate having first and second surfaces, and terminals on the second surface configured for connecting the package with an external component. The microelectronic element can include a plurality of stacked electrically interconnected semiconductor chips. The substrate can have contacts facing the element contacts of the microelectronic element and joined thereto. The terminals can include first terminals arranged at positions within first and second parallel grids. The first terminals of each grid can be configured to carry address information usable by circuitry within the microelectronic package to determine an addressable memory location from among all the available addressable memory locations within the microelectronic element.

Abstract: A microelectronic element having a memory storage array has a front face facing away from a substrate of a microelectronic package, and is electrically connected with the substrate through conductive structure extending above the front face. First terminals are disposed at locations within first and second parallel grids of the package. The first terminals of each grid are configured to carry address information usable to determine an addressable memory location from among all the available addressable memory locations of the memory storage array. The first terminals in the first grid have signal assignments which are a mirror image of the signal assignments of the first terminals in the second grid.

Abstract: A microelectronic package can include a substrate and a microelectronic element having a face and one or more columns of contacts thereon which face and are joined to corresponding contacts on a surface of the substrate. An axial plane may intersect the face along a line in the first direction and centered relative to the columns of element contacts. Columns of package terminals can extend in the first direction. First terminals in a central region of the second surface can be configured to carry address information usable to determine an addressable memory location within the microelectronic element. The central region may have a width not more than three and one-half times a minimum pitch between the columns of package terminals. The axial plane can intersect the central region.

Abstract: A microelectronic element having a memory storage array has a front face facing away from a substrate of a microelectronic package, and is electrically connected with the substrate through conductive structure extending above the front face. First terminals are disposed at locations within first and second parallel grids of the package. The first terminals of each grid are configured to carry address information usable to determine an addressable memory location from among all the available addressable memory locations of the memory storage array. The first terminals in the first grid have signal assignments which are a mirror image of the signal assignments of the first terminals in the second grid.

Abstract: A microelectronic assembly can include a microelectronic package connected with a circuit panel. The package has a microelectronic element having a front face facing away from a substrate of the package, and electrically connected with the substrate through conductive structure extending above the front face. First terminals provided in first and second parallel grids or in first and second individual columns can be configured to carry address information usable to determine an addressable memory location from among all the available addressable memory locations of the memory storage array. The first terminals in the first grid can have signal assignments which are a mirror image of the signal assignments of the first terminals in the second grid.

Abstract: A microelectronic package can include a substrate having first and second opposed surfaces and first and second apertures extending between the first and second surfaces, first and second microelectronic elements each having a surface facing the first surface of the substrate, a plurality of terminals exposed at the second surface in a central region thereof, and leads electrically connected between contacts of each microelectronic element and the terminals. The apertures can have first and second parallel axes extending in directions of the lengths of the respective apertures. The second surface can have a central region disposed between the first and second axes. Each microelectronic element can embody a greater number of active devices to provide memory storage array function than any other function. The terminals can be configured to carry all of the address signals transferred to the microelectronic package.

Abstract: A microelectronic package can include a substrate and a microelectronic element having a rear face facing a first surface of the substrate, a front face, and a column of element contacts extending in a first direction. Edges of the microelectronic element can define an axial plane extending in the first direction and a third direction normal to the rear face. The package can include columns of terminals extending in the first direction at a second surface of the substrate. The terminals can include first terminals exposed in a central region of the second surface and configured to carry address information usable by circuitry within the package to determine an addressable memory location within the microelectronic element. The central region may have a width not more than three and one-half times a minimum pitch between any two adjacent columns of the terminals. The axial plane can intersect the central region.

Abstract: A microelectronic package includes a microelectronic element operable to output a discrete-value logic signal indicating an imminent increase in demand for current by at least some portion of the microelectronic element. An active power delivery element within the package is operable by the logic signal to increase current delivery to the microelectronic element.

Abstract: A microelectronic package includes a subassembly including a first substrate and first and second microelectronic elements having contact-bearing faces facing towards oppositely-facing first and second surfaces of the first substrate and each having contacts electrically connected with the first substrate. The contact-bearing faces of the first and second microelectronic elements at least partially overlie one another. Leads electrically connect the subassembly with a second substrate, at least portions of the leads being aligned with an aperture in the second substrate. The leads can include wire bonds extending through an aperture in the first substrate and joined to contacts of the first microelectronic element aligned with the first substrate aperture. In one example, the subassembly can be electrically connected with the second substrate using electrically conductive spacer elements.

Abstract: A microelectronic package may have a plurality of terminals disposed at a face thereof which are configured for connection to at least one external component. e.g., a circuit panel. First and second microelectronic elements can be affixed with packaging structure therein. A first electrical connection can extend from a respective terminal of the package to a corresponding contact on the first microelectronic element, and a second electrical connection can extend from the respective terminal to a corresponding contact on the second microelectronic element, the first and second connections being configured such that a respective signal carried by the first and second connections in each group is subject to propagation delay of the same duration between the respective terminal and each of the corresponding contacts coupled thereto.

Abstract: A microelectronic package can include a substrate having first and second opposed surfaces, at least two pairs of microelectronic elements, and a plurality of terminals exposed at the second surface. Each pair of microelectronic elements can include an upper microelectronic element and a lower microelectronic element. The pairs of microelectronic elements can be fully spaced apart from one another in a horizontal direction parallel to the first surface of the substrate. Each lower microelectronic element can have a front surface facing the first surface of the substrate and a plurality of contacts at the front surface. A surface of each of the upper microelectronic elements can at least partially overlie a rear surface of the lower microelectronic element in its pair. The microelectronic package can also include electrical connections extending from at least some of the contacts of each lower microelectronic element to at least some of the terminals.

Abstract: A microelectronic package can include a substrate having first and second opposed surfaces, first, second, third, and fourth microelectronic elements, and a plurality of terminals exposed at the second surface. Each microelectronic element can have a front surface facing the first surface of the substrate and a plurality of contacts at the front surface. The front surfaces of the microelectronic elements can be arranged in a single plane parallel to the first surface. Each microelectronic element can have a column of contacts exposed at the front surface and arranged along respective first, second, third, and fourth axes. The first and third axes can be parallel to one another. The second and fourth axes can be transverse to the first and third axes. The microelectronic package can also include electrical connections extending from at least some of the contacts of each microelectronic element to at least some of the terminals.

Abstract: A microelectronic assembly can include first and second microelectronic packages mounted to respective first and second opposed surfaces of a circuit panel. Each microelectronic package can include a substrate having first and second apertures extending between first and second surfaces thereof, first and second microelectronic elements each having a surface facing the first surface of the substrate and a plurality of contacts at the surface of the respective microelectronic element aligned with at least one of the apertures, a plurality of terminals exposed at the second surface in a central region thereof, and leads electrically connected between the contacts of each microelectronic element and the terminals. The apertures of each substrate can have first and second parallel axes extending in directions of the lengths of the respective apertures. The terminals of each microelectronic package can be configured to carry all of the address signals transferred to the respective microelectronic package.