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HMA510JC-55 Datasheet(PDF) 1 Page - Intersil Corporation |
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HMA510JC-55 Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 10 page 1 TM April 1997 HMA510 16 x 16-Bit CMOS Parallel Multiplier Accumulator Features • 16 x 16-Bit Parallel Multiplication with Accumulation to a 35-Bit Result • High-Speed (45ns) Multiply Accumulate Time • Low Power CMOS Operation -ICCSB = 500µA Maximum -ICCOP = 7.0mA Maximum at 1.0MHz • HMA510 is Compatible with the CY7C510 and the IDT7210 • Supports Two’s Complement or Unsigned Magnitude Operations • TTL Compatible Inputs/Outputs • Three-State Outputs 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’s 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. Block Diagram Ordering Information PART NUMBER TEMP. RANGE (oC) PACKAGE PKG. NO. HMA510JC-45 0 to 70 68 Ld PLCC N68.95 HMA510JC-55 0 to 70 68 Ld PLCC N68.95 HMA510GC-55 0 to 70 68 Ld CPGA G68.B REGISTER SUB ACC RND TC Y0-15 P0-15 16 16 X0-15 CLKY CLKX ACCUMULATOR XTP REGISTER MSP REGISTER LSP REGISTER PRELOAD CLKP 3 16 35 MULTIPLIER ARRAY 35 P32-34 16 P16-31 OEX OEM OEL REGISTER REGISTER File Number 2806.2 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 © Intersil Americas Inc. 2001. All Rights Reserved |
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