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MC146805E2FN 数据表(PDF) 6 Page - InnovASIC, Inc |
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MC146805E2FN 数据表(HTML) 6 Page - InnovASIC, Inc |
6 / 33 page IA6805E2 29 August 2007 Microprocessor Unit As of Production Version 00 Crystal Parameters Representative Frequencies: 5.0 MHz 4.0 MHz 1.0 MHz RS max 50Ω 75Ω 400Ω C0 8 pF 7 pF 5 pF C1 0.02 pF 0.012 pF 0.008 pF Q 50 k 40 k 30 k COSC1 15-30 pF 15-30 pF 15-40 pF COSC2 15-25 pF 15-25 pF 15-30 pF Oscillator Connections: L C1 39 C0 RS OSC1 OSC2 38 39 OSC2 38 OSC1 CRYSTAL CIRCUIT CRYSTAL OSCILLATOR CONNECTIONS t OL t t OH t OLOL OSC1 PIN ia6805E2 10 M Ω C OSC2 OSC1 OSC1 C OSC2 38 39 OSC1 IA6805E2 OSC2 38 39 NC Figure 3. OSC1, OSC2 (System Clock) OSC1 to Bus Transitions Timing Waveforms: OSC1 AS DS RW_n A[12:8] B[7:0] MPU READ B[7:0] MPU WRITE *READ DATA "LATCHED" ON DS FALL MUX ADDR MPU READ DATA* MUX ADDR MPU WRITE DATA Figure 4. OSC1, OSC2 (System Clock) Copyright © 2007 IA211081401-03 www.Innovasic.com Customer Support: Page 6 of 33 1-888-824-4184 © |
类似零件编号 - MC146805E2FN |
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类似说明 - MC146805E2FN |
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