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DLO32F TTL-INTERFACED, GATED DELAY LINE OSCILLATOR (SERIES DLO32F) FEATURES * * * * * * * Continuous or keyable wave train Synchronizes with arbitrary gating signal Fits standard 14-pin DIP socket Low profile Auto-insertable Input & outputs fully TTL interfaced & buffered Available in frequencies from 2MHz to 40MHz C1 1 14 data 3 (R) delay devices, inc. PACKAGES VCC 10 GND 7 8 C2 GB C1 N/C N/C N/C N/C N/C GND 1 2 3 4 5 6 7 14 13 12 11 10 9 8 VCC N/C N/C N/C C2 N/C GB DLO32F-xx DLO32F-xxA2 DLO32F-xxB2 DLO32F-xxM DIP Gull-Wing J-Lead Military DIP Military SMD DLO32F-xxMD1 DLO32F-xxMD4 FUNCTIONAL DESCRIPTION The DLO32F-series device is a gated delay line oscillator. The device produces a stable square wave which is synchronized with the falling edge of the Gate Input (GB). The frequency of oscillation is given by the device dash number (See Table). The two outputs (C1,C2) are in complementary during oscillation, but both return to logic low when the device is disabled. PIN DESCRIPTIONS GB C1 C2 VCC GND Gate Input Clock Output 1 Clock Output 2 +5 Volts Ground SERIES SPECIFICATIONS * * * * * * * * Frequency accuracy: Inherent delay (TE0): Output skew: Output rise/fall time: Supply voltage: Supply current: Operating temperature: Temperature coefficient: 2% 3ns typical 2.5ns typical 2ns typical 5VDC 5% 40ma typical (7ma when disabled) 0 to 70 C 100 PPM/C (See text) DASH NUMBER SPECIFICATIONS Part Number DLO32F-2 DLO32F-2.5 DLO32F-3 DLO32F-3.5 DLO32F-4 DLO32F-4.5 DLO32F-5 DLO32F-5.5 DLO32F-6 DLO32F-7 DLO32F-8 DLO32F-9 DLO32F-10 DLO32F-12 DLO32F-14 DLO32F-15 DLO32F-20 DLO32F-25 DLO32F-30 DLO32F-35 DLO32F-40 Frequency (MHz) 2.0 0.04 2.5 0.05 3.0 0.06 3.5 0.07 4.0 0.08 4.5 0.09 5.0 0.10 5.5 0.11 6.0 0.12 7.0 0.14 8.0 0.16 9.0 0.18 10 0.20 12 0.24 14 0.28 15 0.30 20 0.40 25 0.50 30 0.60 35 0.70 40 0.80 GATE (GB) tEO CLOCK 1 (C1) tGR tDO 1/f0 CLOCK 2 (C2) tCS Figure 1: Timing Diagram (c) 1998 Data Delay Devices NOTE: Any dash number between 2 and 40 not shown is also available. Doc #98002 3/17/98 DATA DELAY DEVICES, INC. 3 Mt. Prospect Ave. Clifton, NJ 07013 1 DLO32F APPLICATION NOTES THERMAL STABILITY The delay line used internally to develop the clock signals in the DLO32F has a thermal coefficient of 100ppm/C. For low frequency units, this is also the thermal coefficient of the output frequency. For higher frequency units, however, other internal effects must be considered, and the actual thermal coefficient may be somewhat higher. POWER SUPPLY BYPASSING The DLO32F relies on a stable power supply to produce a repeatable frequency within the stated tolerances. A 0.1uf capacitor from VCC to GND, located as close as possible to the VCC pin, is recommended. A wide VCC trace and a clean ground plane should be used. DEVICE SPECIFICATIONS TABLE 1: ABSOLUTE MAXIMUM RATINGS PARAMETER DC Supply Voltage Input Pin Voltage Storage Temperature Lead Temperature SYMBOL VCC VIN TSTRG TLEAD MIN -0.3 -0.3 -55 MAX 7.0 VDD+0.3 150 300 UNITS V V C C NOTES 10 sec TABLE 2: DC ELECTRICAL CHARACTERISTICS (0C to 70C, 4.75V to 5.25V) PARAMETER High Level Output Voltage Low Level Output Voltage High Level Output Current Low Level Output Current High Level Input Voltage Low Level Input Voltage Input Clamp Voltage Input Current at Maximum Input Voltage High Level Input Current Low Level Input Current Short-circuit Output Current Output High Fan-out Output Low Fan-out SYMBOL VOH VOL IOH IOL VIH VIL VIK IIHH IIH IIL IOS MIN 2.5 TYP 3.4 0.35 MAX UNITS V V mA mA V V V mA A mA mA Unit Load NOTES VCC = MIN, IOH = MAX VIH = MIN, VIL = MAX VCC = MIN, IOL = MAX VIH = MIN, VIL = MAX 0.5 -1.0 20.0 2.0 0.8 -1.2 0.1 20 -0.6 -150 25 12.5 VCC = MIN, II = IIK VCC = MAX, VI = 7.0V VCC = MAX, VI = 2.7V VCC = MAX, VI = 0.5V VCC = MAX -60 TABLE 3: AC ELECTRICAL CHARACTERISTICS (0C to 70C, 4.75V to 5.25V) PARAMETER Enable to Clock On (Inherent Delay) Disable to Clock Off Clock Skew Gate Recovery Time SYMBOL tEO tDO tCS tGR MIN 1.5 1.5 1.5 50 TYP 3.0 2.5 2.5 MAX 4.5 3.5 3.5 UNITS ns ns ns % of Clock Period Doc #98002 3/17/98 DATA DELAY DEVICES, INC. Tel: 973-773-2299 Fax: 973-773-9672 http://www.datadelay.com 2 DLO32F PACKAGE DIMENSIONS 14 10 8 Lead Material: Nickel-Iron alloy 42 TIN PLATE 14 10 8 .410 TYP. 1 7 1 7 .780 MAX. .280 MAX. .290 MAX. .820 MAX. .020 .320 TYP. MAX. .130 .030 .018 TYP. .600 TYP. .200 TYP. .015 TYP. .010.002 .018 TYP. .070 MAX. .600.010 .350 MAX. .020 TYP. .300 TYP. DLO32F-xx (Commercial DIP) DLO32F-xxM (Military DIP) .020 TYP. .040 TYP. 10 .010 TYP. 14 .020 TYP. 10 8 .040 TYP. .270 TYP. .050 TYP. .320 TYP. .270 TYP. 7 .430 TYP. 1 7 .090 .600 .790 MAX. .300 MAX. .050 TYP. .110 .200 .600 .790 MAX. .350 MAX. .110 TYP. DLO32F-xxA2 (Commercial Gull-Wing) DLO32F-xxB2 (Commercial J-Lead) .650 .100 1 14 .017 .510 MAX. .100 1 14 .017 .510 MAX. .300 TYP. 7 8 .300 TYP. 7 8 .100 .300 .200 MAX. (Com) .225 MAX. (Mil) .065 TYP. .360 TYP. .065 TYP. .510 MAX. .300 .050 .100 .080 .510 MAX. .050 .080 .025 .008 .200 MAX. (Com) .225 MAX. (Mil) .005 .008 .045 .360 TYP. .065 TYP. .065 TYP. DLO32F-xxD1 (Commercial SMD) DLO32F-xxMD1 (Military SMD) DLO32F-xxD4 (Commercial SMD) DLO32F-xxMD4 (Military SMD) Doc #98002 3/17/98 DATA DELAY DEVICES, INC. 3 Mt. Prospect Ave. Clifton, NJ 07013 3 DLO32F DELAY LINE AUTOMATED TESTING TEST CONDITIONS INPUT: o o Ambient Temperature: 25 C 3 C Supply Voltage (Vcc): 5.0V 0.1V Input Pulse: High = 3.0V 0.1V Low = 0.0V 0.1V Source Impedance: 50 Max. Rise/Fall Time: 3.0 ns Max. (measured between 0.6V and 2.4V ) Pulse Width Low: PWIN = 10 x Clock Period Period: PERIN = 20 x Clock Period OUTPUT: Load: Cload: Threshold: 1 FAST-TTL Gate 5pf 10% 1.5V (Rising & Falling) NOTE: The above conditions are for test only and do not in any way restrict the operation of the device. FREQUENCY COUNTER PULSE GENERATOR OUT TRIG GB DEVICE UNDER TEST (DUT) C1 C2 IN TRIG OSCILLOSCOPE Test Setup PERIN PWIN TFALL INPUT SIGNAL 2.4V 1.5V 0.6V 2.4V 1.5V 0.6V TRISE VIH VIL TEO OUTPUT SIGNAL VOH 1.5V 1.5V VOL Timing Diagram For Testing Doc #98002 3/17/98 DATA DELAY DEVICES, INC. Tel: 973-773-2299 Fax: 973-773-9672 http://www.datadelay.com 4 |
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