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| NTE926 Integrated Circuit Quad Timer Description: The NTE926 quad timer is a monolithic timing device which can be used to produce four independent timing functions. The NTE926 output sinks current. This highly stable, general purpose controller can be used in a monostable mode to produce accurate time delays-from microseconds to hours. In the time delay mode of operation, the time is precisely controlled by one external resistor and one capacitor. A stable operation can be achieved by using two of the four timer sections. The four timer section in the NTE926 are edge-triggered, therefore, when connected in tandem for sequential timing applications, no coupling capacitors are required. Output current capability of 100mA is provided in both devices. Features: D 100mA Output Current per Section D Edge-triggered (No Coupling Capacitor) D Output Independent of Trigger Conditions D Wide Supply Voltage Range 4.5V to 18V D Timer Intervals from Microseconds to Hours D Time Period Equals RC Applications: D Sequential Timing D Time Delay Generation D Precision Timing D Quad One-Shot Absolute Maximum Ratings: Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +16V Maximum Power Dissipation (TA = +25C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1450mW Derate Above 25C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11.6mW/C Operating Ambient Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Lead Soldering Temperature (10 Sec Max), TSOLD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300C DC & AC Electrical Characteristics: (TA = +25C, VCC = +5V, unless otherwise specified) Parameter Supply Voltage Supply Current Timing Accuracy (t = RC) Initial Accuracy Drift with Temperature Drift with Supply Voltage Trigger Voltage Trigger Current Reset Voltage Reset Current Threshold Voltage Threshold Leakage Output Voltage Output Leakage Propagation Delay Rise Time of Output Fall Time of Output tPD tR tF IL = 100mA IL = 100mA VOUT IL = 10mA, Note 3 VCC = 15V, Note 1 Trigger = 0V Note 2 Reset Symbol VCC ICC VCC = Reset = 15V R = 2k to 100k, C = 1F - - - 0.8 - 0.8 - - - - - - - - - 2 30 0.1 - 5 - 50 0.63 15 0.1 1.0 10 1.0 100 100 5 150 0.9 2.4 100 2.4 500 - - 0.4 2.0 500 - - - % ppm/C %/V V A V A x VCC nA V V nA S nS nS Test Conditions Min 4.5 - Typ - 16 Max 16 36 Unit V mA Note 1. The trigger functions only on the falling edge of the trigger pulse only after previously being high. After reset, the trigger must be brought high and then low to implement triggering. Note 2. For reset below 0.8V, outputs set low and trigger inhibited. For reset above 2.4V, trigger enabled. Note 3. The NTE926 output structure is open-collector which requires a pull-up resistor to VCC to sink current. The output is normally low sinking current. Pin Connection Diagram Output A 1 Timing A 2 Trigger A 3 Control Voltage 4 VCC 5 Trigger B 6 Timing B 7 Output B 8 16 Output D 15 Timing D 14 Trigger D 13 Reset 12 GND 11 Trigger C 10 Timing C 9 Output C .245 (6.22) Min .100 (2.54) .700 (17.7) 1 8 16 9 .260 (6.6) Max .785 (19.9) Max .200 (5.08) Max .300 (7.62) |
Price & Availability of NTE926
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