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HMA510GM-75/883 Datasheet

  • HMA510GM-75/883

  • 16 x 16-Bit CMOS Parallel Multiplier Accumulator

  • 9頁(yè)

  • INTERSIL   INTERSIL

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HMA510/883
April 1997
16 x 16-Bit CMOS Parallel
Multiplier Accumulator
Description
The HMA510/883 is a high speed, low power CMOS 16 x
16-bit parallel multiplier accumulator capable of operating at
55ns clocked multiply-accumulate cycles. The 16-bit X and Y
operands may be speci鏗乪d as either two鈥檚 complement or
unsigned magnitude format. Additional inputs are provided
for the accumulator functions which include: loading the
accumulator with the current product, adding or subtracting
the accumulator contents and the current product, and pre-
loading the Accumulator Registers from the external inputs.
All inputs and outputs are registered. The registers are all
positive edge triggered, and are latched on the rising edge of
the associated clock signal. The 35-bit Accumulator Output
Register is broken into three parts. The 16-bit least signi鏗?
cant product (LSP), the 16-bit most signi鏗乧ant product
(MSP), and the 3-bit extended product (XTP) Registers. The
XTP and MSP Registers have dedicated output ports, while
the LSP Register shares the Y-inputs in a multiplexed fash-
ion. The entire 35-bit Accumulator Output Register may be
preloaded at any time through the use of the bidirectional
output ports and the preloaded control.
Features
鈥?This Circuit is Processed in Accordance to MIL-STD-
883 and is Fully Conformant Under the Provisions of
Paragraph 1.2.1.
鈥?16 x 16-Bit Parallel Multiplication with Accumulation
to a 35-Bit Result
鈥?High-Speed (55ns) Multiply Accumulate Time
鈥?Low Power CMOS Operation
- I
CCSB
= 500碌A(chǔ) Maximum
- I
CCOP
= 7.0mA Maximum at 1.0MHz
鈥?HMA510/883 is Compatible with the CY7C510 and the
IDT7210
鈥?Supports Two鈥檚 Complement or Unsigned Magnitude
Operations
鈥?Three-State Outputs
Ordering Information
PART NUMBER
HMA510GM-55/883
HMA510GM-65/883
HMA510GM-75/883
TEMP.
RANGE (
o
C)
-55 to 125
-55 to 125
-55 to 125
PACKAGE
68 Ld CPGA
68 Ld CPGA
68 Ld CPGA
PKG.
NO.
G68.B
G68.B
G68.B
Block Diagram
X0-15
16
RND
TC
SUB
Y0-15 P0-15
16
ACC
REGISTER
CLKY
CLKX
REGISTER
REGISTER
MULTIPLIER ARRAY
35
PRELOAD
CLKP
ACCUMULATOR
XTP REGISTER
MSP REGISTER
3
LSP REGISTER
16
35
16
OEX
OEM
OEL
P32-34
P16-31
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207
|
Copyright
漏
Intersil Corporation 1999
File Number
2807.2
3-10

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