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HD61203U データシート(PDF) 24 Page - Hitachi Semiconductor |
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HD61203U データシート(HTML) 24 Page - Hitachi Semiconductor |
24 / 30 page HD61203U 24 5. External clock is as follows. TH TL tfcp trcp 0.7 VCC 0.5 VCC 0.3 VCC Open Open CR R C External clock External clock waveform Duty cycle trcp tfcp Min 45 — — Typ 50 — — Max 55 50 50 Unit % ns ns Duty cycle = TH TH + TL × 100% 6. Applies to the shift register in the slave mode. For details, refer to AC characteristics. 7. Connect oscillation resistor (Rf) and oscillation capacitance (Cf) as shown in this figure. Oscillation frequency (f OSC) is twice as much as the frequency (fø) at ø1 or ø2. Cf Rf CR R C ø1, ø2 Cf = 20 pF Rf = 39 k Ω fOSC = 2 × fø 8. No lines are connected to output terminals and current flowing through the input circuit is excluded. This value is specified at VIH = V CC and VIL = GND. 9. This value is specified for current flowing through GND in the following conditions: Internal oscillation circuit is used. Each terminal of DS1, DS2, FS, SHL, M/S, STB, and FCS is connected to V CC and each of CL1 and TH to GND. Oscillator is set as/ described in note 7. 10. This value is specified for current flowing through GND under the following conditions: Each terminals of DS1, DS2, FS, SHL, STB, FCS and CR is connected to V CC, CL1, TH, and M/S to GND and the terminals CL2, M, and DL are respectively connected to terminals CL2, M, and DL of the HD61203U under the condition described in note 9. 11. This value is specified for current flowing through V EE under the condition described in note 9. Don’t connect any lines to terminal V. 12. This figure shows a typical relation among oscillation frequency, Rf and Cf. Oscillation frequency may vary with the mounting conditions. Cf = 20 pF 50 100 Rf (kΩ) 600 400 200 0 |
同様の部品番号 - HD61203U |
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同様の説明 - HD61203U |
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