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IDT7210L45F

Description
16 x 16 PARALLEL CMOS MULTIPLIER-ACCUMULATOR
File Size111KB,10 Pages
ManufacturerIDT (Integrated Device Technology, Inc.)
Websitehttp://www.idt.com/
Download Datasheet View All

IDT7210L45F Overview

16 x 16 PARALLEL CMOS MULTIPLIER-ACCUMULATOR

16 x 16 PARALLEL CMOS
MULTIPLIER-ACCUMULATOR
Integrated Device Technology, Inc.
IDT7210L
FEATURES:
• 16 x 16 parallel multiplier-accumulator with selectable
accumulation and subtraction
• High-speed: 20ns multiply-accumulate time
• IDT7210 features selectable accumulation, subtraction,
rounding and preloading with 35-bit result
• IDT7210 is pin and function compatible with the TRW
TDC1010J, TMC2210, Cypress CY7C510, and AMD
AM29510
• Performs subtraction and double precision addition and
multiplication
• Produced using advanced CMOS high-performance
technology
• TTL-compatible
• Available in topbraze DIP, PLCC, Flatpack and Pin Grid
Array
• Military product compliant to MIL-STD-883, Class B
• Standard Military Drawing #5962-88733 is listed on this
function
• Speeds available:
Commercial: L20/25/35/45/55/65
Military:
L25/30/40/55/65/75
DESCRIPTION:
The IDT7210 is a high-speed, low-power 16 x 16-bit parallel
multiplier-accumulator that is ideally suited for real-time digital
signal processing applications. Fabricated using CMOS
silicon gate technology, this device offers a very low-power
alternative to existing bipolar and NMOS counterparts, with
only 1/7 to 1/10 the power dissipation and exceptional speed
(25ns maximum) performance.
A pin and functional replacement for TRW’s TDC1010J the
IDT7210 operates from a single 5 volt supply and is compatible
with standard TTL logic levels. The architecture of the IDT7210
is fairly straightforward, featuring individual input and output
registers with clocked D-type flip-flop, a preload capability
which enables input data to be preloaded into the output
registers, individual three-state output ports for the Extended
Product (XTP) and Most Significant Product (MSP) and a
Least Significant Product output (LSP) which is multiplexed
with the Y input.
The X
IN
and Y
IN
data input registers may be specified
through the use of the Two’s Complement input (TC) as either
a two’s complement or an unsigned magnitude, yielding a full-
precision 32-bit result that may be accumulated to a full 35-bit
result. The three output registers – Extended Product (XTP),
Most Most Significant Product (MSP) and Least Significant
Product (LSP) – are controlled by the respective TSX, TSM
and TSL input lines. The LSP output can be routed through Y
IN
ports.
FUNCTIONAL BLOCK DIAGRAM
CLKX
X
IN
(X
15
-X
0
)
16
ACC, SUB,
RND, TC
4
CLKY
Y
IN
(Y
15
-Y
0
/P
15
-P
0
)
16
XREGISTER
CONTROL
REGISTER
MULTIPLIER ARRAY
32
YREGISTER
+
+/–
TSL
PREL
ACCUMULATOR
35
35
CLKP
TSX
3
XTP
OUT
(P
34
-P
32
)
XTP REGISTER
3
MSP REGISTER
LSP REGISTER
16
TSM
PREL
16
MSP
OUT
(P
31
-P
16
)
IDT7210
2577 drw 01
MILITARY AND COMMERCIAL TEMPERATURE RANGES
©1995
Integrated Device Technology, Inc.
AUGUST 1995
DSC-2018/7
11.2
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