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MACH211SP-7VC 데이터시트(PDF) 1 Page - Advanced Micro Devices |
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MACH211SP-7VC 데이터시트(HTML) 1 Page - Advanced Micro Devices |
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1 / 37 page  FINAL Publication# 20405 Rev: B Amendment/0 Issue Date: February 1996 COM’L: -7.5/10/12/15/20 IND: -10/12/14/18/24 MACH211SP-7/10/12/15/20 High-Density EE CMOS Programmable Logic DISTINCTIVE CHARACTERISTICS s JTAG-Compatible, 5-V in-system programming s 44 Pins s 64 Macrocells s 7.5 ns tPD Commercial 10 ns tPD Industrial s 133 MHz fCNT s 34 Bus-Friendly™ Inputs and I/Os s Peripheral Component Interconnect (PCI) compliant (-7/-10) s Programmable power-down mode s 32 Outputs s 64 Flip-flops; 2 clock choices s 4 “PAL26V16” blocks with buried macrocells s Improved routing over the MACH210 IN-SYSTEM PROGRAMMING In-system programming allows the MACH211SP to be programmed while soldered onto a system board. Pro- gramming the MACH211SP in-system yields numer- ous benefits at all stages of development: prototyping, manufacturing, and in the field. Since insertion into a programmer isn’t needed, multiple handling steps and the resulting bent leads are eliminated. The design can be modified in-system for design changes and debug- ging while prototyping, programming boards in produc- tion, and field upgrades. The MACH211SP offers advantages not available in other CPLD architectures with in-system programming. MACH devices have extensive routing resources for pin-out retention; design changes resulting in pin-out changes for other CPLDs cancel the advantages of in-system programming. The MACH211SP can be em- ployed in any JTAG (IEEE 1149.1) compliant chain. GENERAL DESCRIPTION The MACH211SP is a member of AMD’s EE CMOS Performance Plus MACH® 2 device family. This device has approximately six times the logic macrocell capa- bility of the popular PAL22V10 without loss of speed. The MACH211SP consists of four PAL ® blocks inter- connected by a programmable switch matrix. The four PAL blocks are essentially “PAL26V16” structures com- plete with product-term arrays and programmable macrocells, which can be programmed as high speed or low power, and buried macrocells. The switch matrix connects the PAL blocks to each other and to all input pins, providing a high degree of connectivity between the fully-connected PAL blocks. This allows designs to be placed and routed efficiently. The MACH211SP has two kinds of macrocell: output and buried. The MACH211SP output macrocell pro- vides registered, latched, or combinatorial outputs with programmable polarity. If a registered configuration is chosen, the register can be configured as D-type or T-type to help reduce the number of product terms. The register type decision can be made by the designer or by the software. All output macrocells can be con- nected to an I/O cell. If a buried macrocell is desired, the internal feedback path from the macrocell can be used, which frees up the I/O pin for use as an input. The MACH211SP has dedicated buried macrocells which, in addition to the capabilities of the output macrocell, also provide input registers or latches for use in synchronizing signals and reducing setup time requirements. The MACH211SP is an enhanced version of the MACH211, adding the JTAG-compatible in-system pro- gramming feature. |
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