摘要:
A lock detector for a PLL circuit includes a first signal counting circuit, a second signal counting circuit, a comparator, and a lock status unit. The first signal counting circuit is configured to define a plurality of observation periods according to a first oscillating signal and a predetermined cycle value. The second signal counting circuit is configured to determine a maximum counter value according to a second oscillating signal within each of the observation periods, and the second oscillating signal is generated in relation to the first oscillating signal. The comparator is configured to determine, for each of the observation periods, whether the maximum counter value equals the predetermined cycle value. The lock status unit is configured to generate a lock signal based on the maximum counter value being equal to the predetermined cycle value for a predetermined number of consecutive ones of the observation periods.
摘要:
A phase locked loop includes a phase difference detector configured to receive a reference frequency and a divider frequency and output a phase difference signal. The phase locked loop includes a code generator configured to receive the reference frequency and the phase difference signal, and output a coarse tuning signal and a reset signal. The phase locked loop includes a digital loop filter configured to receive the phase difference signal and output a fine tuning signal. The phase locked loop includes a voltage control oscillator configured to receive the coarse and fine tuning signals, and output an output frequency. The phase locked loop includes a divider configured to receive the reset signal, a divider number control signal and the output frequency, and output the divider frequency. The phase locked loop includes a delta-sigma modulator configured to receive a divisor ratio and the reset signal, and output divider number control signal.
摘要:
A phase frequency detector circuit includes an edge detector circuit, a plurality of phase frequency detector sub-circuits, and a decision circuit. The edge detector circuit is configured to receive a first input signal and a second input signal. The decision circuit is configured to detect whether a blind condition exits based on outputs of the edge detector circuit and outputs of the plurality of phase frequency detector sub-circuits. Responsive to a result of the decision circuit, a corresponding frequency detector sub-circuit of the plurality of phase frequency detector sub-circuit is configured to provide signals for use in determining a phase difference between the first input signal and the second input signal.
摘要:
Interposer and semiconductor package embodiments provide for the isolation and suppression of electronic noise such as EM emissions in the semiconductor package. The interposer includes shield structures in various embodiments, the shield structures blocking the electrical noise from the noise source, from other electrical signals or devices. The shields include solid structures and some embodiments and decoupling capacitors in other embodiments. The coupling structures includes multiple rows of solder balls included in strips that couple the components and surround and contain the source of electrical noise.
摘要:
A die stack of an integrated circuit includes a plurality of dies. Each die in the die stack includes a phase lock loop (PLL). The PLLs in each of the dies share a loop filter and other corresponding circuits.
摘要:
A three-dimensional integrated circuit (3DIC) and wireless information access methods thereof are provided. The proposed 3DIC includes a semiconductor structure, and a wireless power device (WPD) formed on the semiconductor structure for wirelessly receiving a power for operating a function selected from a group consisting of probing the semiconductor structure, testing the semiconductor structure and accessing a first information from the semiconductor structure.
摘要:
Some embodiments relate to a device and method for a band pass filter with a reduced cost, area penalty, and manufacturing complexity relative to current solutions. An integrated passive device chip includes a plurality of capacitors embedded in a common molding compound along with a transceiver chip. The integrated passive device chip and the transceiver chip are also arranged within a polymer package. An ultra-thick metallization layer is disposed within the polymer package and configured to couple the integrated passive device chip to the transceiver chip. The ultra-thick metallization layer also forms a plurality of transmission lines, wherein the combined integrated passive device chip and transmission lines form a band pass filter with improved frequency response, noise immunity, and cost and area as compared to conventional solutions.
摘要:
A three-dimensional integrated circuit (3DIC) and wireless information access methods thereof are provided. The proposed 3DIC includes a semiconductor structure, and a wireless power device (WPD) formed on the semiconductor structure for wirelessly receiving a power for operating a function selected from a group consisting of probing the semiconductor structure, testing the semiconductor structure and accessing a first information from the semiconductor structure.
摘要:
An integrated circuit package having a multilayer interposer has one or more metal wiring beads provided in the interposer, each of the one or more metal wiring beads has a convoluted wiring pattern that is formed in one of the multiple layers of wiring structures in the interposer, and two terminal end segments connected to the power lines in the integrated circuit package, wherein the one or more metal wiring beads operate as power noise filters.
摘要:
The present disclosure relates to a device and method for a band pass filter with a reduced cost, area penalty, and manufacturing complexity relative to current solutions. An integrated passive device chip comprising a plurality of capacitors embedded in a common molding compound along with a transceiver chip, and arranged within a polymer package. Ultra-thick metallization layers are disposed within the polymer package and configured to couple the integrated passive device chip to the transceiver chip. The ultra-thick metallization layers also form a plurality of transmission lines, wherein the combined integrated passive device chip and transmission lines form a band pass filter with improved frequency response, noise immunity, and cost and area penalty as compared to conventional solutions. The band pass filter may also be coupled to a plurality of solder balls comprising a Flip Chip Ball Grid Array suitable for 2.5D and 3D integrated circuit applications.