Pin configuration for device-to-device connection
Examples described herein relate to a system that includes: a first device comprising a motherboard; a second device comprising a dual in-line memory module (DIMM); and an arrangement of a signal pin and ground pin pair coupled to the motherboard and DIMM wherein portions of the signal pin and ground pin pair are proximate each other.
1 . An apparatus comprising:
a first signal pin;
a second signal pin; and
a ground pin positioned between the first and second signal pins, wherein:
the ground pin comprises a first portion, a second portion, and a third portion,
the third portion of the ground pin is coupled to the first portion of the ground pin and angled at greater than zero degrees relative to the first portion of the ground pin,
the third portion of the ground pin is coupled to the second portion of the ground pin and angled at greater than zero degrees relative to the second portion of the ground pin,
the first signal pin comprises a first portion, a second portion, and a third portion,
the third portion of the first signal pin is coupled to the first portion of the first signal pin and angled at greater than zero degrees relative to the first portion of the first signal pin,
the third portion of the first signal pin is coupled to the second portion of the first signal pin and angled at greater than zero degrees relative to the second portion of the first signal pin, and
the third portion of the first signal pin and the third portion of the ground pin are formed to extend toward one another.
2 . The apparatus of claim 1 , wherein the first portion of the ground pin is coupled to a first device and the first device comprises a surface mounted (SMT) connector of a motherboard.
3 . The apparatus of claim 1 , wherein the second portion of the ground pin is coupled to a second device and the second device comprises a gold finger connector in a dual in-line memory module (DIMM).
4 . The apparatus of claim 1 , wherein the third portion of the ground pin is to provide a 1:N signal to ground ratio for signals transmitted through at least a portion of the first and second signal pins, where N is greater than 1.
5 . The apparatus of claim 1 , wherein the third portion of the ground pin and the third portion of the first signal pin are oriented parallel to each other.
6 . The apparatus of claim 1 , wherein the third portion of the ground pin and the third portion of the first signal pin comprise one or more of: copper, bronze, or an alloy.
7 . The apparatus of claim 1 , comprising:
a second ground pin positioned between the second signal pin and a third signal pin, wherein:
the second ground pin comprises a first portion, a second portion, and a third portion,
the third portion of the second ground pin is coupled to the first portion of the second ground pin and angled at greater than zero degrees relative to the first portion of the second ground pin,
the third portion of the second ground pin is coupled to the second portion of the second ground pin and angled at greater than zero degrees relative to the second portion of the second ground pin,
the second signal pin comprises a first portion, a second portion, and a third portion,
the third portion of the second signal pin is coupled to the first portion of the second signal pin and angled at greater than zero degrees relative to the first portion of the second signal pin,
the third portion of the second signal pin is coupled to the second portion of the second signal pin and angled at greater than zero degrees relative to the second portion of the second signal pin, and
third portion of the second ground pin and the third portion of the second ground pin are formed to be proximate one another.
8 . The apparatus of claim 7 , wherein an arrangement of pin connectors is consistent with Joint Electronic Device Engineering Council Double Data Rate version 5 (DDR5).
9 . The apparatus of claim 1 , further comprising a first device and a second device, wherein
the first portion of the ground pin is coupled to the first device,
the first device comprises a surface mounted (SMT) connector of a motherboard, a motherboard, and one or more of: central processing unit (CPU), XPU, and/or graphics processing unit (GPU),
the second portion of the ground pin is coupled to the second device,
the second device comprises a gold finger connector in a dual in-line memory module (DIMM), and
the second device comprises the DIMM.
10 . A method comprising:
transmitting a first signal through a first signal pin from a first device to a second device;
transmitting a second signal through a second signal pin from the first device to the second device; and
providing reduction of near end cross talk and far end cross talk between the first and second signals using an arrangement of a ground pin and the first signal pin, wherein the arrangement comprises a portion of the first signal pin and a portion of the ground pin formed to be proximate one another and a second portion of the first signal pin a second portion of the ground pin to extend away from one another, wherein:
the ground pin comprises a first portion, a second portion, and a third portion,
the third portion of the ground pin is coupled to the first portion of the ground pin and angled at greater than zero degrees relative to the first portion of the ground pin,
the first signal pin comprises a first portion, a second portion, and a third portion,
the third portion of the first signal pin is coupled to the first portion of the first signal pin and angled at greater than zero degrees relative to the first portion of the first signal pin, and
the third portion of the first signal pin and the third portion of the ground pin are formed to extend toward one another.
11 . The method of claim 10 , wherein:
the first signal pin is coupled to a surface mounted (SMT) connector of a motherboard and a gold finger connector in a dual in-line memory module (DIMM) and
the second signal pin is coupled to a second SMT connector of the motherboard and a second gold finger connector in the DIMM.
12 . The method of claim 10 , wherein the arrangement provides a 1:N signal to ground ratio for signals transmitted through at least a portion of the first and second signal pins, where N is greater than 1.
13 . The method of claim 10 , wherein
the first device comprises a motherboard and
the second device comprises a dual in-line memory module (DIMM) coupled to one or more of: a central processing unit (CPU), XPU, and/or graphics processing unit (GPU).
14 . A system comprising:
a first device comprising a motherboard;
a second device comprising a dual in-line memory module (DIMM); and
an arrangement of a signal pin and ground pin pair coupled to the motherboard and DIMM, wherein:
portions of the signal pin and ground pin pair are proximate each other,
the ground pin comprises a first portion, a second portion, and a third portion,
the third portion of the ground pin is coupled to the second portion of the ground pin and angled at greater than zero degrees relative to the second portion of the ground pin,
the first signal pin comprises a first portion, a second portion, and a third portion,
the third portion of the first signal pin is coupled to the first portion of the first signal pin and angled at greater than zero degrees relative to the first portion of the first signal pin, and
the third portion of the first signal pin and the third portion of the ground pin are formed to extend toward one another.
15 . The system of claim 14 , wherein an arrangement of pin connectors is consistent with Joint Electronic Device Engineering Council Double Data Rate version 5 (DDR5).
16 . The system of claim 14 , wherein the signal pin and the ground pin comprise one or more of: copper, bronze, or an alloy.
17 . The system of claim 14 , wherein the arrangement provides a 1:N signal to ground ratio for signals transmitted through at least a portion of the signal pin, where N is greater than 1.
18 . The system of claim 14 , wherein:
a first portion of the ground pin pair is formed as angled towards a first portion of the signal pin and
a first portion of the signal pin is formed as angled towards the first portion of the ground pin.
19 . The system of claim 14 , comprising a processor, wherein the signal pin and ground pin pair couple the processor to the DIMM.
20 . The system of claim 19 , wherein the processor comprises one or more of: a central processing unit (CPU), XPU, accelerator, and/or graphics processing unit (GPU).