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SN74LS122D Datasheet(PDF) 1 Page - ON Semiconductor |
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SN74LS122D Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 12 page © Semiconductor Components Industries, LLC, 1999 December, 1999 – Rev. 6 1 Publication Order Number: SN74LS122/D SN74LS122 SN74LS123 Retriggerable Monostable Multivibrators These dc triggered multivibrators feature pulse width control by three methods. The basic pulse width is programmed by selection of external resistance and capacitance values. The LS122 has an internal timing resistor that allows the circuits to be used with only an external capacitor. Once triggered, the basic pulse width may be extended by retriggering the gated low-level-active (A) or high-level-active (B) inputs, or be reduced by use of the overriding clear. • Overriding Clear Terminates Output Pulse • Compensated for V CC and Temperature Variations • DC Triggered from Active-High or Active-Low Gated Logic Inputs • Retriggerable for Very Long Output Pulses, up to 100% Duty Cycle • Internal Timing Resistors on LS122 GUARANTEED OPERATING RANGES Symbol Parameter Min Typ Max Unit VCC Supply Voltage 4.75 5.0 5.25 V TA Operating Ambient Temperature Range 0 25 70 °C IOH Output Current – High – 0.4 mA IOL Output Current – Low 8.0 mA Rext External Timing Resistance 5.0 260 k W Cext External Capacitance No Restriction Rext/Cext Wiring Capacitance at Rext/Cext Terminal 50 pF LOW POWER SCHOTTKY Device Package Shipping ORDERING INFORMATION SN74LS123N 16 Pin DIP SN74LS123D 16 Pin SOIC D SUFFIX CASE 751A http://onsemi.com PLASTIC N SUFFIX CASE 646 14 1 14 1 SOIC D SUFFIX CASE 751B PLASTIC N SUFFIX CASE 648 16 1 16 1 SN74LS122N 14 Pin DIP 2000 Units/Box SN74LS122D 14 Pin 2500/Tape & Reel 2000 Units/Box 2500/Tape & Reel |
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