Important Notes and Warnings ......................................................................................................................... 8
General Description ......................................................................................................................................... 8
Automotive Temperature .............................................................................................................................. 9
ACTIVE ...................................................................................................................................................... 34
Truth Tables ................................................................................................................................................... 39
Burst Type .................................................................................................................................................. 48
CAS Latency ............................................................................................................................................... 50
Auto Precharge ........................................................................................................................................... 69
AUTO REFRESH Operation ............................................................................................................................. 81
Revision History ............................................................................................................................................. 89
Rev. W – 05/15 ............................................................................................................................................ 89
Rev. W – 09/14 ............................................................................................................................................ 89
Rev. V – 1/14, 8/14 ...................................................................................................................................... 89
Rev. U – 05/13 ............................................................................................................................................. 89
Rev. T – 03/13 ............................................................................................................................................. 89
Rev. S – 12/12 ............................................................................................................................................. 89
Rev. R – 10/12 ............................................................................................................................................. 89
Rev. P – 12/11 .............................................................................................................................................
Rev. O – 07/11 .............................................................................................................................................
Rev. N – 01/10 .............................................................................................................................................
Rev. M – 11/08 ............................................................................................................................................
Rev. L – 08/07 .............................................................................................................................................
Rev. K – 02/07 .............................................................................................................................................
Rev. K – 06/06 .............................................................................................................................................
Rev. H – 02/05 .............................................................................................................................................
Rev. H – 10/04 .............................................................................................................................................
Rev. G – 08/03 .............................................................................................................................................
Rev. F – 01/03 .............................................................................................................................................
Rev. E – 03/02 .............................................................................................................................................
Rev. D – 07/01 .............................................................................................................................................
Rev. C – 03/01 .............................................................................................................................................
Rev. B – 10/00 .............................................................................................................................................
Rev. A – 11/99 .............................................................................................................................................
89
90
90
90
90
91
91
91
91
91
91
91
92
92
92
93
93
PDF: 09005aef8091e6d1
256Mb_sdr.pdf - Rev. W 05/15 EN
4
Micron Technology, Inc. reserves the right to change products or specifications without notice.
Figure 20: CAS Latency ..................................................................................................................................
Figure 21: Example: Meeting
t
RCD (MIN) When 2 <
t
RCD (MIN)/
t
CK < 3 ..........................................................
[i=s] This post was last edited by Mufan001 on 2015-11-10 10:00 [/i] With the continuous development of my country's economy, electrical technology is becoming more and more popular, and more and more...
I want to buy a sensor to collect pulse signals and connect the power circuit and amplification and filtering circuit. Can anyone recommend a cheap one to me?...
Below is the clock management sub-function of msp430, which is used in most MSP430 chips.void Init_Clk(void){unsigned char i;
WDTCTL = WDTPW + WDTHOLD; //Turn off the watchdogBCSCTL1 = ~XT2OFF; //Turn...
[i=s]This post was last edited by dontium on 2015-1-23 11:11[/i] [size=5]Bounce NoiseReading NotesBounce noise is a sudden change or jump in the base current of a bipolar transistor, or a jump in the ...
Altera 2014 Technology Tour (4) Enpirion Power Solutions Solve FPGA Power Supply Challenges : https://training.eeworld.com.cn/course/2034Altera 2014 Technology Tour (4) Enpirion Power Solutions Solve ...
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]