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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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L9663 датащи(PDF) 93 Page - STMicroelectronics |
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L9663 датащи(HTML) 93 Page - STMicroelectronics |
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93 / 104 page  DocID028693 Rev 1 93/104 L9663 Electrical characteristics 103 ILimit Static current limitation for each transceiver output PSIx (only for sync pulse generator) -280 - -110 mA td_SPI Delay between end of SPI trigger command and start of sync pulse (t1) - - 2.2 μs td_SYNC Delay between SYNC pin command filtered (tdeglitch not included) and start of sync pulse (t1) -- 1 μs 1. Only the short sync pulse can be triggered by PIN (tw ≤5 μs), see errata 1822, Section 7. Table 19. Reset Symbol Parameter / Condition Min Typ Max Unit VRESETN_THR_High Input high threshold of RESETN pin - - 2 V VRESETN_THR_Low Input low threshold of RESETN pin 1 - - V VRESETN_HYS Hysteresis of RESETN pin thresholds 100 150 - mV IRESETN Input Pull-Down current source 30 45 60 μA tRESETN Reset detection filter time 1- - 4 μs Table 20. VAS under/over voltage monitoring Symbol Parameter / Condition Min Typ Max Unit VVASU_low VAS under voltage monitoring threshold (low voltage mode) 4.5 - 4.85 V VVASU_inc VAS under voltage monitoring threshold (increased voltage mode) 6.5 - 6.95 V VVASO_low VAS over voltage monitoring threshold (low voltage mode) 6.5 - 6.95 V VVASO_inc VAS over voltage monitoring threshold (increased voltage mode) 8.2 - 8.8 V VVASU_off VAS low under voltage monitoring threshold (both increased and low voltage modes) When below this threshold, VAS is switched off 1 - 1.4 V tVASU VAS under/over voltage monitoring filter time 3 - 4 μs tVASblk1 VAS under voltage switch-off blanking time (at VAS activation) -1- ms tVASuoff2 VAS automatic switch-off filter time (after VAS activation) 9- 12 μs Table 18. Sync generator (continued) Symbol Parameter / Condition Min Typ Max Unit |
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