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3D7418 Datasheet(PDF) 5 Page - Data Delay Devices, Inc. |
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3D7418 Datasheet(HTML) 5 Page - Data Delay Devices, Inc. |
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5 / 7 page 
3D7418 APPLICATION NOTES (CONT’D) NEW VALUE NEW BIT 7 NEW BIT 0 NEW BIT 6 OLD BIT 7 OLD BIT 6 OLD BIT 0 ENABLE (AE) CLOCK (SC) SERIAL INPUT (SI) SERIAL OUTPUT (SO) DELAY TIME tEW tES tCW tCW tEH tDSC tDHC tEGV tCQV tCQX tEQZ tEDV tEDX PREVIOUS VALUE Figure 4: Serial mode (MD=0) FROM WRITING DEVICE TO NEXT DEVICE SI SO SC AE 3D7418 3D7418 3D7418 Figure 5: Cascading Multiple Devices SI SO SC AE SI SO SC AE TABLE 2: DELAY VS. PROGRAMMED ADDRESS PROGRAMMED ADDRESS NOMINAL DELAY (NS) PARALLEL P7 P6 P5 P4 P3 P2 P1 P0 3D7418 DASH NUMBER SERIAL Msb Lsb -.25 -.5 -1 -2 -5 STEP 0 0 0 0 0 0 0 0 0 12.00 12.0 12 12 17 STEP 1 0 0 0 0 0 0 0 1 12.25 12.5 13 14 22 STEP 2 0 0 0 0 0 0 1 0 12.50 13.0 14 16 27 STEP 3 0 0 0 0 0 0 1 1 12.75 13.5 15 18 32 STEP 4 0 0 0 0 0 1 0 0 13.00 14.0 16 20 37 STEP 5 0 0 0 0 0 1 0 1 13.25 14.5 17 22 42 STEP 253 1 1 1 1 1 1 0 1 75.25 138.5 265 518 1283 STEP 254 1 1 1 1 1 1 1 0 75.50 139.0 266 520 1287 STEP 255 1 1 1 1 1 1 1 1 75.75 139.5 267 522 1292 DELAY CHANGE 63.75 127.5 255 510 1275 Doc #02005 DATA DELAY DEVICES, INC. 5 6/17/02 3 Mt. Prospect Ave. Clifton, NJ 07013 |
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