Method and apparatus to calibrate DRAM on resistance (Ron) and on-die termination (ODT) values over process, voltage and temperature (PVT) variations

KS Bains, N Dour, H Fahmy, G Vergis… - US Patent 7,432,731, 2008‏ - Google Patents
An embodiment may comprise memory with a memory array, a resistor coupled to a
reference Voltage, on die termination circuitry coupled with the resistor, and an input …

Gallery of messages from individuals with a shared interest

T Sehn - US Patent 11,372,608, 2022‏ - Google Patents
A machine includes a processor and a memory connected to the processor. The memory
stores instructions executed by the processor to receive a message and a message …

Programmable series on-chip termination impedance and impedance matching

JH Bui, J Costello, S Tran - US Patent 6,836,144, 2004‏ - Google Patents
Circuits may provide Series on-chip termination impedance to one or more input/output pins.
In one embodiment, two off-chip reference resistors in combination with internal calibration …

Amplitude calibration element for an enhanced data rates for GSM evolution (EDGE) polar loop transmitter

FG Balteanu, I Gheorghe, R Pullela… - US Patent 7,496,339, 2009‏ - Google Patents
An amplitude calibration element comprises a linear driver configured to receive the output
of a modulator, the modulator output comprising a Voltage signal having an amplitude …

Automated management of ephemeral message collections

N Allen, D Giovannini, C Lin, R Murphy… - US Patent …, 2024‏ - Google Patents
(57) ABSTRACT A server has a processor and a memory storing instructions executed by
the processor to maintain an ephemeral gallery of ephemeral messages. An ephemeral …

Techniques for calibrating on-chip termination impedances

KW Wei - US Patent 7,372,295, 2008‏ - Google Patents
A calibration circuit block includes a first resistor network, a second resistor network, and a
feedback loop. The first resistor network includes a set of transistors and receives a constant …

Techniques for providing calibrated parallel on-chip termination impedance

V Santurkar, H Yi - US Patent 7,443,193, 2008‏ - Google Patents
Techniques are provided for calibrating parallel on-chip ter mination (OCT) impedance
circuits. An on-chip termination 5,559,448 A 9/1996 Koenig(OCT) calibration circuit …

Geo-location based event gallery

NR Allen, RC Murphy, E Spiegel - US Patent 11,317,240, 2022‏ - Google Patents
Abstract Systems and methods are provided for determining that geolocation data from a
computing device corresponds to a geo-fence associated with a plurality of galleries and …

On-chip termination with calibrated driver strength

X Wang, TC Chang, C Sung, KQ Nguyen - US Patent 7,221,193, 2007‏ - Google Patents
Techniques are provided for controlling an on-chip termi nation resistance in an input or
output (10) buiTer using calibration circuits. Each calibration circuit monitors the voltage …

Programmable termination with DC voltage level control

S Shumarayev, T White - US Patent 7,109,744, 2006‏ - Google Patents
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