参数资料
型号: IDT7217L16J8
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 数字信号处理外设
英文描述: 16-BIT, DSP-MULTIPLIER, PQCC68
封装: PLASTIC, LCC-68
文件页数: 1/10页
文件大小: 109K
代理商: IDT7217L16J8
1
COMMERCIALTEMPERATURERANGE
IDT7217L
16 x 16 PARALLEL CMOS MULTIPLIERS
DECEMBER 2001
2001
Integrated Device Technology, Inc.
DSC-5747/1
c
IDT7217L
COMMERCIAL TEMPERATURE RANGE
16-BIT PARALLEL
CMOS MULTIPLIERS
FUNCTIONAL BLOCK DIAGRAM
FEATURES:
16 x 16 parallel multiplier with double precision product
16ns clocked multiply time
Low power consumption: 120mA
Produced with advanced submicron CMOS high performance
technology
IDT7217L requires a single clock with register enables, making it
pin- and function compatible with AMD Am29517
Configured for easy array expansion
User-controlled option for transparent output register mode
Round control for rounding the MSP
Input and output directly TTL-compatible
Three-state output
Available in PLCC
Speeds available: L16/20/25/35
DESCRIPTION:
The IDT7217 is a high-speed, low-power 16 x 16-bit multiplier, ideal
for fast, real time digital signal processing applications. Utilization of a
modifiedBoothsalgorithmandIDT’shigh-performance,submicronCMOS
technology, has achieved speeds comparable to bipolar (20ns max.), at
1/10 the power consumption.
The IDT7217 is ideal for applications requiring high-speed multiplica-
tion such as fast Fourier transform analysis, digital filtering, graphic display
systems,speechsynthesisandrecognitionandinanysystemrequirement
where multiplication speeds of a mini/microcomputer are inadequate.
All input registers, as well as LSP and MSP output registers, use the
same positive edge-triggered D-type flip-flop. The IDT7217 has only a
single clock input (CLK) and three register enables. ENX and ENY control
the two input registers, while ENP controls the entire product.
The IDT7217 offers additional flexibility with the FA control and
MSPSELfunctions.TheFAcontrolformatstheoutputfortwo’scomplement
by shifting the MSP up one bit and then repeating the sign bit in the MSB
oftheLSP.TheMSPSELlowselectstheMSPtobeavailableattheproduct
output port, while a high selects the LSP to be available. Keeping this pin
low will ensure compatibility with the TRW MPY016H.
XR EG ISTER
REG ISTER
CLK
X15 - 0
RN D
Y15 - 0/P15 - 0
MU LTIPLIER
ARRAY
16
XM
ENX
YM
YR EG ISTER
FO RM AT AD JUST
MSP
REGISTER
LSP
REGISTER
M ULTIPLEXER
16
FA
FT
EN P
M SPSEL
OEP
OEL
16
PR O DU CT
MSPOUT (P31 - P16)
ENY
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
相关PDF资料
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IDT73201L20LB 16-BIT, DSP-PIPELINE REGISTER, CQCC52
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相关代理商/技术参数
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