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3D7428Z-1 Datasheet(PDF) 5 Page - Data Delay Devices, Inc. |
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3D7428Z-1 Datasheet(HTML) 5 Page - Data Delay Devices, Inc. |
5 / 7 page 3D7428 Doc #03003 DATA DELAY DEVICES, INC. 5 5/8/2006 3 Mt. Prospect Ave. Clifton, NJ 07013 APPLICATION NOTES (CONT’D) PREVIOUS NEW VALUE NEW VALUE tEDX tEDV PARALLEL INPUTS P0-P7 DELAY TIME tDSE tDHE tEW ENABLE (AE) Figure 3: Latched parallel mode (MD=1) 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 3D7428 3D7428 3D7428 Figure 5: Cascading Multiple Devices SI SO SC AE SI SO SC AE TABLE 2: DELAY VS. PROGRAMMED ADDRESS PROGRAMMED ADDRESS PARALLEL P7 P6 P5 P4 P3 P2 P1 P0 NOMINAL DELAY (NS) PER 3D7428 DASH NUMBER SERIAL Msb Lsb -0.25 -0.5 -1 -2 -5 -10 -20 STEP 0 0 0 0 0 0 0 0 0 10.50 10.5 10.5 10.5 15 23.5 42 STEP 1 0 0 0 0 0 0 0 1 10.75 11.0 11.5 12.5 20 33.5 62 STEP 2 0 0 0 0 0 0 1 0 11.00 11.5 12.5 14.5 25 43.5 82 STEP 3 0 0 0 0 0 0 1 1 11.25 12.0 13.5 16.5 30 53.5 102 STEP 4 0 0 0 0 0 1 0 0 11.50 12.5 14.5 18.5 35 63.5 122 STEP 5 0 0 0 0 0 1 0 1 11.75 13.0 15.5 20.5 40 73.5 142 STEP 253 1 1 1 1 1 1 0 1 73.75 137.0 263.5 516.5 1280 2553.5 5102 STEP 254 1 1 1 1 1 1 1 0 74.00 137.5 264.5 518.5 1285 2563.5 5122 STEP 255 1 1 1 1 1 1 1 1 74.25 138.0 265.5 520.5 1290 2573.5 5142 CHANGE 63.75 127.5 255.0 510.0 1275 2550.0 5100 |
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