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PLUS17310 Datasheet(PDF) 6 Page - NXP Semiconductors |
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PLUS17310 Datasheet(HTML) 6 Page - NXP Semiconductors |
6 / 8 page Philips Semiconductors Programmable Logic Devices Product specification PLUS173–10 Programmable logic array (22 × 42 × 10) October 22, 1993 46 LOGIC PROGRAMMING The PLUS173–10 is fully supported by industry standard (JEDEC compatible) PLD CAD tools, including Philips Semiconductors SNAP design software package. ABEL ™ and CUPL ™ design software packages also support the PLUS173–10 architecture. All packages allow Boolean and state equation entry formats. SNAP, ABEL and CUPL also accept, as input, schematic capture format. PLUS173–10 logic designs can also be generated using the program table entry format, which is detailed on the following page. This program table entry format is supported by SNAP only. To implement the desired logic functions, the state of each logic variable from logic equations (I, B, O, P, etc.) is assigned a symbol. The symbols for TRUE, COMPLEMENT, INACTIVE, PRESET, etc., are defined below. PROGRAMMING AND SOFTWARE SUPPORT Refer to Section 9 (Development Software) and Section 10 (Third-party Programmer/ Software Support) of this data handbook for additional information. AND ARRAY – (I, B) CODE O STATE INACTIVE1, 2 CODE STATE CODE STATE CODE STATE I, B H L – P, D I, B I, B I, B I, B P, D I, B I, B I, B P, D I, B I, B I, B P, D I, B I, B I, B DON’T CARE OR ARRAY – (B) VIRGIN STATE A factory shipped virgin device contains all fusible links intact, such that: 1. All outputs are at “H” polarity. 2. All Pn terms are disabled. 3. All Pn terms are active on all outputs. NOTES: 1. This is the initial unprogrammed state of all link pairs. It is normally associated with all unused (inactive) AND gates Pn, Dn. 2. Any gate Pn, Dn will be unconditionally inhibited if both the true and complement of any input (I, B) are left intact. ABEL is a trademark of Data I/O Corp. CUPL is a trademark of Logical Devices, Inc. CODE ACTIVE LEVEL LOW (INVERTING) L CODE ACTIVE LEVEL HIGH1 (NON-INVERTING) H S X B S X B OUTPUT POLARITY – (B) CODE INACTIVE A CODE Pn STATUS ACTIVE1 • P S Pn STATUS P S |
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