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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PDSP16488AMA датащи(PDF) 15 Page - Mitel Networks Corporation |
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PDSP16488AMA датащи(HTML) 15 Page - Mitel Networks Corporation |
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15 / 30 page  PDSP16488A MA 15 FIG. 8. Host Timing PCH T T EXP T DSH PC1 from MASTER or SINGLE device PC1 from last device (REPLY) HSU T VALID Address/data from the Host Host Data O/P from First Device T DEL VALID HH T Host Data Strobe Chip Enable DATUM T PROG T PSU T PH T Wait T Wait T PCH > csu T CH T ACC T RSU T RA R/W from the Host Coefficient Output T RSU PC1 In-active Delay after DS in-active Symbol RA Characteristic Value Units Notes Min. Max. DS Hold Time after REPLY active Host Address/data Set Up Time ns ns T T DSH HSU 20 0 Host Signal Hold Time Expansion in to Data Out in PROG mode Delay from strobe to PC1 ns Chip Enable Set Up Time ns PROG Set Up Time ns ns ns T T T 50 ns T T T HH DEL EXP CSU PSU PCH 5 30 [Equivalent to PC0 to PC1 delay ] 50 Greater than TDEL under all conditions 0 PROG Hold Time Chip Enable Hold Time T PH CH T 0 0 0 Coefficient Read Time Coefficients valid Time before REPLY ACC T 50 5 ns ns Only applicable if REPLY is used. Otherwise time is referenced to risng edge of strobe when set up must be N xTDEL, for Ndevices Read Set UpTime to prevent Write T 5ns Only applicable for read ops & if REPLY is used. Must always be guaranteed. No clocks are needed in PROG mode Defines Data Strobe in-active time From MASTER or SINGLE device † † † † † † † † † † † † † All parameters marked * are tested during production. Parameters marked † are guaranteed by design and characterisation |
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