HMA510 반도체 회로 부품 판매점
16 x 16-Bit CMOS Parallel Multiplier Accumulator
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 Intersil Corporation |
TM
www.DataSheet4U.com
HMA510
April 1997
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
Ordering Information
PART NUMBER
HMA510JC-45
HMA510JC-55
HMA510GC-55
TEMP. RANGE
(oC)
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
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
X0-15
16
RND SUB Y0-15 P0-15
TC ACC
16
PRELOAD
CLKP
REGISTER
REGISTER
REGISTER
CLKY
CLKX
XTP REGISTER
MULTIPLIER ARRAY
35
ACCUMULATOR
MSP REGISTER LSP REGISTER
3 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 © Intersil Americas Inc. 2001. All Rights Reserved
1
File Number 2806.2
Pinouts
HMA510
68 LEAD PLCC
TOP VIEW
X15
OEL
RND
SUB
ACC
CLKX
CLKY
VCC
VCC
VCC
VCC
TC
OEX
PREL
OEM
CLKP
P34
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
10 60
11 59
12 58
13 57
14 56
15 55
16 54
17 53
18 52
19 51
20 50
21 49
22 48
23 47
24 46
25 45
26 44
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
Y2/P2
Y3/P3
Y4/P4
Y5/P5
Y6/P6
Y7/P7
GND
GND
Y8/P8
Y9/P9
Y10/P10
Y11/P11
Y12/P12
Y13/P13
Y14/P14
Y15/P15
P16
68 LEAD CPGA
TOP VIEW
11 N/C X15 RND ACC CLKY TC PREL CLKP P33
10 X13 X14 OEL SUB CLKX VCC OEX OEM P34 P32 N/C
9 X11 X12
P30 P31
8 X9 X10
P28 P29
7 X7
X8
P26 P27
6 X5
X6
P24 P25
5 X3
X4
P22 P23
4 X1
X2
P20 P21
3 Y0/P0 X0
P18 P19
2
N/C
Y1/P1 Y3/P3 Y5/P5 Y7/P7 Y8/P8
Y10/
P10
Y12/
P12
Y14/
P14
P16
P17
1
Y2/P2 Y4/P4 Y6/P6 GND Y9/P9
Y11/
P11
Y13/
P13
Y15/
P15
N/C
A B CD E F GH J K L
2
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HMA510 cmos
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