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DS1123LE-200 Datasheet(PDF) 1 Page - Dallas Semiconductor |
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DS1123LE-200 Datasheet(HTML) 1 Page - Dallas Semiconductor |
1 / 14 page General Description The DS1123L is an 8-bit programmable timing element similar in function to the DS1023, but operating at 3.3V. Like the DS1023, the DS1123L can delay signals up to a full period or more when used as a delay line, and an on-chip reference delay can be used to offset the inher- ent “step-zero” delay. This allows the DS1123L to shift a clock signal over the full 0 to 360° phase range. In addition to functioning as a delay line, it can be config- ured as a free-running oscillator or an externally trig- gered monostable vibrator. Applications Telecommunications Digital Test Equipment Digital Video Projection Signal Generators and Analyzers Features ♦ Step Sizes of 0.25ns, 0.5ns, 1ns, 2ns ♦ On-Chip Reference Delay ♦ Configurable as a Delay Line, Monostable Vibrator, or Free-Running Oscillator ♦ Can Delay Signals by a Full Period or More ♦ Guaranteed Monotonicity ♦ Parallel and 3-Wire Serial Programming Interface ♦ Single 3.3V Power Supply ♦ 16-pin TSSOP 3.3V, 8-Bit, Programmable Timing Element _____________________________________________ Maxim Integrated Products 1 15 14 13 12 11 10 9 2 16 1 3 4 5 6 7 8 OUT/OUT P/S P7 P6 P2/D P1/CLK P0/Q LE VCC IN TOP VIEW MS P5 REF/PWM GND P4 P3 DS1123L Pin Configuration DS1123L SYSTEM CLOCK MICRO- PROCESSOR 4 3-WIRE INTERFACE IN Q/P0 CLK/P1 D/P2 P3 P4 LE P5 MS P6 P7 P/S OUT/OUT VCC GND REF/PWM 3.3V VARIABLE DELAY/PHASE OUTPUT REFERENCE OUTPUT (OPTIONAL) Typical Operating Circuit Ordering Information Rev 2; 8/07 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. PART TEMP RANGE PIN- PACKAGE (150-mil) STEP SIZE/ NO. OF STEPS DS1123LE-25 0°C to +70°C 16 TSSOP 0.25/256 DS1123LE-50 0°C to +70°C 16 TSSOP 0.5/256 DS1123LE-100 0°C to +70°C 16 TSSOP 1/256 DS1123LE-200 0°C to +70°C 16 TSSOP 2/256 |
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