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| SMD99F 5-TAP, TTL-INTERFACED FIXED DELAY LINE (SERIES SMD99F) FEATURES * * * * * Five equally spaced outputs Designed for surface mounting Low profile (0.175 maximum height) Input & outputs fully TTL interfaced & buffered 10 T2L fan-out capability IN T2 T4 GND 1 4 10 6 7 8 14 12 data 3 (R) delay devices, inc. PACKAGES VDD T1 T3 T5 IN N/C N/C T2 N/C T4 GND 1 2 3 4 5 6 7 14 13 12 11 10 9 8 VCC N/C T1 N/C T3 N/C T5 Commercial SMD99F-xx Military SMD99F-xxMC2 FUNCTIONAL DESCRIPTION PIN DESCRIPTIONS The SMD99F-series device is a 5-tap digitally buffered delay line. The IN Signal Input signal input (IN) is reproduced at the outputs (T1-T5), shifted in time by an T1-T5 Tap Outputs amount determined by the device dash number (See Table). For dash VCC +5 Volts numbers less than 5025, the total delay of the line is measured from T1 to GND Ground T5. The nominal tap-to-tap delay increment is given by one-fourth of the total delay, and the inherent delay from IN to T1 is nominally 3.5ns. For dash numbers greater than or equal to 5025, the total delay of the line is measured from IN to T5. The nominal tap-to-tap delay increment is given by one-fifth of this number. SERIES SPECIFICATIONS * * * * * * Minimum input pulse width: 40% of total delay Output rise time: 2ns typical Supply voltage: 5VDC 5% Supply current: ICCL = 32ma typical ICCH = 7ma typical Operating temperature: 0 to 70 C Temp. coefficient of total delay: 100 PPM/C DASH NUMBER SPECIFICATIONS Part Number SMD99F-5004 SMD99F-5006 SMD99F-5008 SMD99F-5010 SMD99F-5012 SMD99F-5016 SMD99F-5020 SMD99F-5025 SMD99F-5030 SMD99F-5035 SMD99F-5040 SMD99F-5045 SMD99F-5050 SMD99F-5060 SMD99F-5075 SMD99F-5100 SMD99F-5125 SMD99F-5150 SMD99F-5175 SMD99F-5200 SMD99F-5250 Total Delay (ns) 4 1.0 * 6 1.0 * 8 2.0 * 10 2.0 * 12 2.0 * 16 2.0 * 20 3.0 * 25 3.0 30 3.0 35 3.0 40 3.0 45 3.0 50 3.0 60 3.0 75 4.0 100 5.0 125 6.5 150 7.5 175 8.0 200 10.0 250 12.5 Delay Per Tap (ns) 1.0 0.5 1.5 0.5 2.0 1.0 2.5 1.0 3.0 1.0 4.0 1.5 5.0 2.0 5.0 2.0 6.0 2.0 7.0 2.0 8.0 2.0 9.0 3.0 10.0 3.0 12.0 3.0 15.0 3.0 20.0 3.0 25.0 3.0 30.0 3.0 35.0 4.0 40.0 4.0 50.0 5.0 3.5ns 25% 25% 25% 25% VCC IN T1 T2 T3 T4 T5 GND Functional diagram for dash numbers < 5025 20% 20% 20% 20% 20% VCC IN T1 T2 T3 T4 T5 GND * Total delay is referenced to first tap output Input to first tap = 3.5ns 1ns NOTE: Any dash number between 5004 and 5250 not shown is also available. Functional diagram for dash numbers >= 5025 (c)1997 Data Delay Devices Doc #97017 1/30/97 DATA DELAY DEVICES, INC. 3 Mt. Prospect Ave. Clifton, NJ 07013 1 SMD99F APPLICATION NOTES HIGH FREQUENCY RESPONSE The SMD99F tolerances are guaranteed for input pulse widths and periods greater than those specified in the test conditions. Although the device will function properly for pulse widths as small as 40% of the total delay and periods as small as 80% of the total delay (for a symmetric input), the delays may deviate from their values at low frequency. However, for a given input condition, the deviation will be repeatable from pulse to pulse. Contact technical support at Data Delay Devices if your application requires device testing at a specific input condition. POWER SUPPLY BYPASSING The SMD99F relies on a stable power supply to produce repeatable delays 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 Doc #97017 1/30/97 DATA DELAY DEVICES, INC. Tel: 973-773-2299 Fax: 973-773-9672 http://www.datadelay.com 2 SMD99F PACKAGE DIMENSIONS .020 .150 C L 1 4 14 12 10 .150 .050 .150 .100 .510 MAX. 6 7 8 .350 TYP. .480 MAX. .510 MAX. .175 MAX. .015 .050 MIN. .001 MIN. SMD99F-xx (Commercial) .020 TYP. 14 13 12 11 10 9 8 .040 TYP. .010.002 .710 .590 .005 MAX. .882 .005 .007 .005 1 2 3 4 5 6 7 .090 .100 .600 .780.020 .280 MAX. .050 .010 SMD99F-xxMC2 (Military) Doc #97017 1/30/97 DATA DELAY DEVICES, INC. 3 Mt. Prospect Ave. Clifton, NJ 07013 3 SMD99F DELAY LINE AUTOMATED TESTING TEST CONDITIONS INPUT: Ambient Temperature: 25oC 3oC 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: PWIN = 1.5 x Total Delay Period: PERIN = 10 x Total Delay 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. COMPUTER SYSTEM PRINTER REF PULSE GENERATOR OUT TRIG IN DEVICE UNDER TEST (DUT) T1 T2 T3 T4 T5 IN TRIG TIME INTERVAL COUNTER Test Setup PERIN PWIN TRISE INPUT SIGNAL 2.4V 1.5V 0.6V TFALL VIH 2.4V 1.5V 0.6V VIL TFALL TRISE OUTPUT SIGNAL VOH 1.5V 1.5V VOL Timing Diagram For Testing Doc #97017 1/30/97 DATA DELAY DEVICES, INC. Tel: 973-773-2299 Fax: 973-773-9672 http://www.datadelay.com 4 |
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