XL556 SOP-14, XD556 DIP-14 monolithic timing circuits
The XDXL/556 series are monolithic timing circuits fabricated using the TI LinCMOS™ process, which provides full compatibility with CMOS, TTL, and MOS logic and operates at frequencies up to 2 MHz. Accurate time delays and oscillations are possible with smaller Power consumption is low across the full range of power supply voltages, the XDXL/556 has a trigger level approximately one-third of the supply voltage and a threshold level approximately two-thirds of the supply voltage. These levels can be altered by use of the control voltage terminal When the trigger input falls below the trigger level, the flip-flop is set and the output goes high. If the trigger input is above the trigger level and the threshold input is above the threshold level, the flip-flop is reset and the output is low. The reset input can override all other inputs and can be used to initiate a new timing cycle. If the reset input is low, the flip-flop is reset and the output is low. Whenever the output is low, a low-impedance path is provided between the discharge terminal and ground While the CMOS output is capable of sinking over 100 mA and sourcing over 10 mA, the XDXL/556 exhibits greatly reduced supply-current spikes during output transitions. These devices have internal electrostatic-discharge (ESD) protection circuits that prevent catastrophic failures at voltages up to 2000 V as tested under MIL-STD-883C, Method 3015 However, care should be exercised in handling these devices, as exposure to ESD may result in degradation of the device parametric performance.All unused inputs should be tied to an appropriate logic level to prevent false triggering.The XDXL/556 is characterized for operation from 0°C to 70°C.
● Very Low Power Consumption ... 2 mW Typ at V-DD = 5V
● Capable of Operation in Astable Mode
● CMOS Output Capable of Swinging Rail to Rail
● High Output-Current Capability Sink 100 mA Typ Source 10 mA Typ
● Output Fully Compatible With CMOS, TTL, and MOS
● Low Supply Current Reduces Spikes During Output Transitions
● Single-Supply Operation From 2 V to 15 V
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XL556 、 XD556 、 XL556 series 、 XD556 series |
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Datasheet |
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Please see the document for details |
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SOP-14;DIP-14;R-PDSO-G14;R-PDIP-T |
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English Chinese Chinese and English Japanese |
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624 KB |
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