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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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SH7708 Arkusz danych(PDF) 454 Page - Renesas Technology Corp |
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SH7708 Arkusz danych(HTML) 454 Page - Renesas Technology Corp |
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454 / 633 page  436 Table 16.6 Clock Timing (VCC = 3.3 ± 0.3 V, Ta = –20 to 75°C, Maximum External Bus Operating Frequency: 30 MHz) Item Symbol Min Max Unit Figure EXTAL clock input frequency fEX 2 30 MHz 16.1 EXTAL clock input cycle time tEXcyc 33.3 500 ns EXTAL clock input low level pulse width tEXL 7*1 or 10*2 —ns EXTAL clock input high level pulse width tEXH 7*1 or 10*2 —ns EXTAL clock input rise time tEXr —4 ns EXTAL clock input fall time tEXf —4 ns CKIO clock frequency (input) fCKI 8 30 MHz 16.2 CKIO clock cycle time (input) tCKIcyc 33.3 125 ns CKIO clock low-level pulse width (input) tCKIL 7— ns CKIO clock high-level pulse width (input) tCKIH 7— ns CKIO clock rise time (input) tCKIr —3 ns CKIO clock fall time (input) tCKIf —3 ns CKIO clock output frequency (output) fOP 1 130 MHz 16.3 CKIO clock cycle time (output) tcyc 33.3 1000 ns CKIO clock low-level pulse width (output) tCKOL 8— ns CKIO clock high-level pulse width (output) tCKOH 8— ns CKIO clock rise time (output) tCKOr —6 ns CKIO clock fall time (output) tCKOf —6 ns Power-on oscillation settling time tOSC1 10 — ms 16.4 Power-on oscillation settling time/mode setting tOSCMD 10 — ms BREQ reset hold time tBREQRH 0— ns RESET set-up time tRESS 20 — ns BREQ set-up time tBREQS 20 — ns MD reset hold time tMDRH 20 — ns Reset assert time tRESW 20 — tcyc 16.4, 16.5, 16.11 Standby return oscillation settling time 1 tOSC2 10 — ms 16.5 Standby return oscillation settling time 2 tOSC3 10 — ms 16.6 Standby return oscillation settling time 3 tOSC4 11 — ms 16.7 |
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