NE556 IC – Dual Timer IC
₹27.00
NE556 IC devices provide two independent timing circuits of the NE555 ?type in each package. These circuits can be operated in the a stable or the monostable mode with external resistor-capacitor (RC) timing control. The basic timing provided by the RC time constant can be controlled actively by modulating the bias of the control-voltage input. The threshold (THRES) and trigger (TRIG) levels normally are two-thirds and one-third, respectively, of VCC. These levels can be altered by using the control voltage (CONT) terminal. When the trigger input falls below 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 (RESET) input can override all other inputs and can be used to initiate a new timing cycle. When RESET goes low, the flip-flop is reset and the output goes low. When the output is low, a low-impedance path is provided between the discharge (DISCH) terminal and ground (GND).
1000 in stock (can be backordered)
Description
Features of NE556 IC ? Dual Timer IC
- Two Precision Timing Circuits Per Package
- Astable or Monostable Operation
- TTL-Compatible Output Can Sink or Source up to 150 mA
- Active Pull up or Pull down
- Designed to Be Interchangeable With Signetics NE556
Specification of NE556 IC – Dual timer IC
| Symbol | Parameter | Min | Max | Unit |
| VCC | Supply voltage | 4.5 | 16 | V |
| VI | Input voltage | vcc | V | |
| IO | Output current | ?200 | mA | |
| TA | Operating free-air temperature | 0 | 70 | ?C |
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