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CDP1853C Datasheet(PDF) 5 Page - Intersil Corporation |
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CDP1853C Datasheet(HTML) 5 Page - Intersil Corporation |
5 / 6 page 4-39 CDP1853, CDP1853C FIGURE 5. N-BIT DECODER IN A ONE-LEVEL I/O SYSTEM FIGURE 6. TWO-LEVEL I/O USING CDP1853 AND CDP1852 CS1 CS2 CDP1852 INPUT PORT 1 MODE 7 INPUT PORTS CLOCK DATA READ VIA 69 INSTRUCTION STROBE CS2 CS1 CDP1852 OUTPUT PORT 1 MODE 7 OUTPUT PORTS VDD SR AVAILABLE LOAD VIA 61 INSTRUCTION TPB CS1 CS2 CDP1852 INPUT PORT 7 MODE CLOCK DATA READ VIA 6F INSTRUCTION STROBE CS1 CS2 CDP1852 OUTPUT PORT 7 MODE VDD DATA SR DATA AVAILABLE LOAD VIA 67 INSTRUCTION TPB CDP1800 SERIES MRD TPB VDD 5 CDP1852 INPUT AND OUTPUT PORTS N2 N2 N1 N1 N0 N0 TPB CLOCK B TPA CLOCK A CE CDP1853 2-6 01 7 CLOCK A CLOCK B CE CDP1853 “62-6F” INST I/O 7 INPUT 6 OUTPUT PORTS CDP1852 CS2 CL CSI DATA BUS CDP1800 SERIES BUS MRD TPB TPA NO, N1, N2 INTERCONNECTED AS IN FIGURE 4 NO, N1, N2 CDP1853 DECODED “61” INSTRUCTION TPA I CLOCK A CLOCK B CE CDP1853 “62-6F” INST I/O 7 INPUT 6 OUTPUT PORTS NO, N1, N2 CLOCK A CLOCK B CE CDP1853 “62-6F” INST I/O 7 INPUT 6 OUTPUT PORTS NO, N1, N2 SECTIONS 3-7 NOTE: SYSTEM SHOWN WILL SELECT UP TO 56 INPUT AND 48 OUTPUT AND OUTPUT PORTS CAN BE FURTHER EXPANDED. THE TOTAL NUMBER OF INPUT PORTS. WITH ADDITIONAL DECODING |
Similar Part No. - CDP1853C |
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Similar Description - CDP1853C |
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