stack is pushed down one register posi- put on the CAS
15-0
inputs during that
tion. When EN
N
is HIGH, the data in clock cycle will be registered and accu-
the
N
pipeline register stack does not mulated internally. When CASEN is
change, and the data in the
N
input HIGH, the CAS
15-0
inputs are ignored.
register will not be stored in the register
stack.
FT — Feedthrough Control
When FT is LOW and ADEL–DDEL =
0000, data being input on the CAS
15-0
inputs is delayed three clock cycles to
N
DEL (
N
= A, B, C, or D) is the 4-bit align the data with the data being input
registered pipeline delay select word. on the A
11-0
–D
11-0
inputs. When FT is
N
DEL determines which stage of the
N
HIGH, the cascade data being input is
pipeline register stack is routed to the routed around the three delay registers
multiplier inputs. The minimum delay to simplify the cascading of multiple
is one clock cycle (
N
DEL = 0000), and devices.
the maximum delay is 16 clock cycle
(
N
DEL = 1111). Upon power up, the
values of ADEL–DDEL and the con-
tents of the pipeline register stacks are
unknown and must be initialized by the
user.
ADEL
3-0
–DDEL
3-0
— Pipeline Delay
Select
1
2
3
4
5
6
7
8
9
10
11
Video Imaging Products
3
08/16/2000–LDS.2249-J
LF2249
DEVICES INCORPORATED
12 x 12-bit Digital Mixer
M
AXIMUM
R
ATINGS
Above which useful life may be impaired (Notes 1, 2, 3, 8)
Storage temperature ........................................................................................................... –65°C to +150°C
Operating ambient temperature ........................................................................................... –55°C to +125°C
V
CC
supply voltage with respect to ground ............................................................................ –0.5 V to +7.0 V
Input signal with respect to ground ............................................................................... –0.5 V to V
CC
+ 0.5 V
Signal applied to high impedance output ...................................................................... –0.5 V to V
CC
+ 0.5 V
Output current into low outputs ............................................................................................................. 25 mA
Latchup current ............................................................................................................................... > 400 mA
O
PERATING
C
ONDITIONS
To meet specified electrical and switching characteristics
[b]How to participate:[/b] Time: Tuesday, April 6, 2010, 14:00-16:00 (GMT+08:00) Beijing, Chongqing, Hong Kong SAR, Urumqi. Location: Xilinx Beijing Office Conference Room To participate in the traini...
I feel that I must be confused at the beginning. In fact, the first thing is the design plan. Since there are many types of DSP, it is more important to determine the platform. After the platform is d...
wince 4.2 + evc#includeThe compilation is correct but the link error occurs: error LNK2019: unresolved external symbol StrCatW referenced in function "long __cdecl MyInitializeDatabase(void)"...
Introduction
Designing and building a power semiconductor device DC characteristics analysis test system using a high-voltage, high-current source measure unit (SMU) includes the following steps :Sele...
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]
The demand for improved healthcare environments is endless, so medical imaging equipment with higher resolution is needed to better observe the human body. High resolution brings problems with sign...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
Battery clamps, commonly known as battery connectors, come in two sizes depending on the thickness of the battery terminals. One is the battery clamp used on thick terminals, with a positive termin...[Details]
Electrostatic coupling and interference occur when a charged object is close to the input of the circuit being measured. At low impedance, the effects of interference are not noticeable because th...[Details]
1 Load Regulation
Changes in power supply load will cause changes in power supply output. When the load increases, the output decreases, and vice versa, when the load decreases, the output inc...[Details]
FPGA/CPLD
京公网安备 11010802033920号
EEWORLD
