| Number of Pins | 8 |
|---|---|
| REACH SVHC Compliance | No SVHC |
| RoHS | Compliant |
| Supply Voltage (DC) | 16.0 V (max), 4.50 V (min) |
| Quiescent Current | 2.00 mA |
| Supply Current | 15.0 mA (max) |
| Packaging | Cut Tape (CT) |
| Operating Temperature | -40.0 °C to 85.0 °C |
| Lead-Free Status | Lead Free |
| Frequency | 500 kHz |
| Lifecycle Status | Active |
| Mounting Style | Surface Mount |
| Case/Package | PDIP, SOIC |
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| Manufacturer | Texas Instruments |
|---|---|
| Manufacturer Part Number | SA555D |
| Description | BIPOLAR TIMER SINGLE GEN PURPOSE |
| Stock Code | W014004 |
| Download |  Technical Datasheet |
The SA555D is a Precision Timer capable of producing accurate time delay or oscillation. In the mono-stable mode of operation the timed interval is controlled by a single external resistor and capacitor network. In the a-stable mode of operation the frequency and duty cycle can be controlled independently with two external resistors and a single external capacitor. The threshold and trigger levels normally are 2/3rd and 1/3rd respectively of VCC. 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. 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 discharge and ground.
- Timing from microseconds to hours
- Adjustable duty cycle
- TTL-compatible output can sink or source up to 200mA
- Green product and no Sb/Br
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