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SMJ320MCM42D Datasheet Preview

SMJ320MCM42D Datasheet

MULTICHIP MODULE

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D Performance:
-- 80 Million Floating-Point Operations Per
Second (MFLOPS) With 496-MBps-Burst
I/O Rate for 40-MHz Modules
-- Zero-Wait-State Local Memory for Each
Processor
D Organization:
-- 128K-Word × 32-Bit Static
Random-Access Memory (SRAM)
(SMJ320MCM42D)
-- 256K-Word × 32-Bit SRAM
(SMJ320MCM42C)
D Compliant With MIL-PRF-38535 QML
D Dual C40 Performance With Local Memory
Requiring Only 8.7 Square Inches of Board
Space
D Enhanced Performance Offered By
Multichip-Module Solution
-- SMJ320MCM42C
-- 67% Reduction in Number of
Interconnects
-- 54% Reduction (Minimum) in Board
Area
-- Estimated 38% Reduction in Power
Dissipation Due to Reduced Parasitic
Capacitance and Interconnect Lengths
-- SMJ320MCM42D
-- 56% Reduction in Number of
Interconnects
-- 30% Reduction (Minimum) in Board
Area
-- Estimated 20% Reduction in Power
Dissipation Due to Reduced Parasitic
Capacitance and Interconnect Lengths
D Four Memory Ports for High Data
Bandwidth
-- Two Full 2G-Word External Buses
D Two Internal Buses Mapped to Memory
-- 128K-Word × 32-Bit SRAM for Each C40
Local Bus (SMJ320MCM42D)
-- 256K-Word × 32-Bit SRAM for Each C40
Local Bus (SMJ320MCM42C)
D Ten External Communication Ports for
Direct Processor-to-Processor
Communication
SMJ320MCM42C, SMJ320MCM42D
DUAL SMJ320C40 MULTICHIP MODULE
SGKS001D -- JULY 1997 -- REVISED OCTOBER 2001
HFN PACKAGE
(TOP VIEW)
408 307
1 306
102 205
103 204
Terminal assignment information is provided by the terminal
assignments table. Package is shown for pinout reference only.
D IEEE-1149.1(JTAG) Boundary-Scan
Compatible
D 408-Lead Ceramic Quad Flatpack Package
(HFN Suffix)
D Operating Free-Air Temperature Ranges:
--55°C to 125°C . . . (Military)
0°C to 70°C . . . (Commercial)
D Communication-Port Connection Provided
Between C40s for Interprocessor
Communication
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
IEEE Standard 1149.1--1990 Standard Test-Access Port and Boundary-Scan Architecture
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251--1443
Copyright © 2001, Texas Instruments Incorporated
On products compliant to MIL-STD-PRF-38535, all parameters
are tested unless otherwise noted. On all other products,
production processing does not necessarily include testing of all
parameters.
1




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SMJ320MCM42D Datasheet Preview

SMJ320MCM42D Datasheet

MULTICHIP MODULE

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SMJ320MCM42C, SMJ320MCM42D
DUAL SMJ320C40 MULTICHIP MODULE
SGKS001D -- JULY 1997 -- REVISED OCTOBER 2001
description
The 42 dual C40 multichip module (MCM) contains two SMJ320C40 digital signal processors (DSPs) with 128K
words × 32 bits (42D) or 256K words × 32 bits (42C) of zero-wait-state SRAMs mapped to each local bus. Global
address and data buses with two sets of control signals are routed externally for each processor, allowing
external memory to be accessed. The external global bus provides a continuous address reach of
2G words.
The dual C40 configuration allows standard microprocessor initialization using the bootstrap loader. Both
reset-vector-control terminals are brought out to external terminals for each processor. A single CLKIN line and
a RESET line feed both processors in parallel, minimizing clock skew and allowing easy synchronization for
interlocked operations.
Communication port 0 of CPU #1 connects to communication port 3 of CPU #2 for direct processor-to-processor
communication.
The IEEE-1149.1 (JTAG) test ports of the C40s are connected serially to allow scan operations and emulation
of the module as a whole. Testability of the 42 adds value and reduces development and support costs. Texas
Instruments offers a wide variety of ANSI/IEEE-1149.1 products and support.
The 42 dual C40 MCM is packaged in a 408-pin ceramic quad flat pack. The 42 dual C40 MCM is available in
both a commercial temperature range (0°C to 70°C) and a military temperature range (--55°C to 125°C) option.
For additional information when designing for cold temperature operation, please see Texas Instruments
application report 320C3x, 320C4x and 320MCM42x Power-up Sensitivity at Cold Temperature, literature
number SGUA001.
2 POST OFFICE BOX 1443 HOUSTON, TEXAS 77251--1443


Part Number SMJ320MCM42D
Description MULTICHIP MODULE
Maker etcTI
Total Page 18 Pages
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