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HMA510JC-45 Datasheet

  • HMA510JC-45

  • 16 x 16-Bit CMOS Parallel Multiplier Accumulator

  • 10頁

  • INTERSIL   INTERSIL

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TM
HMA510
16 x 16-Bit CMOS Parallel
Multiplier Accumulator
Description
The HMA510 is a high speed, low power CMOS 16 x 16-bit
parallel multiplier accumulator capable of operating at 45ns
clocked multiply-accumulate cycles. The 16-bit X and Y
operands may be specified 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 signifi-
cant product (LSP), the 16-bit most significant 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.
April 1997
Features
鈥?16 x 16-Bit Parallel Multiplication with Accumulation
to a 35-Bit Result
鈥?High-Speed (45ns) Multiply Accumulate Time
鈥?Low Power CMOS Operation
- I
CCSB
= 500碌A Maximum
- I
CCOP
= 7.0mA Maximum at 1.0MHz
鈥?HMA510 is Compatible with the CY7C510 and the
IDT7210
鈥?Supports Two鈥檚 Complement or Unsigned Magnitude
Operations
鈥?TTL Compatible Inputs/Outputs
鈥?Three-State Outputs
Ordering Information
PART NUMBER
HMA510JC-45
HMA510JC-55
HMA510GC-55
TEMP. RANGE
(
o
C)
0 to 70
0 to 70
0 to 70
PACKAGE
68 Ld PLCC
68 Ld PLCC
68 Ld CPGA
PKG.
NO.
N68.95
N68.95
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
XTP REGISTER
ACCUMULATOR
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.
1-888-INTERSIL or 321-724-7143
|
Intersil (and design) is a trademark of Intersil Americas Inc.
Copyright 漏 Intersil Americas Inc. 2001. All Rights Reserved
File Number
2806.2
1

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