Part Number: 555
Function: LinCMOS Timer (Rev. F)
Package: DIP, SOIC 8 Pin Type
Manufacturer: Texas Instruments
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Description
The 555 is a monolithic timing circuit fabricated using the TI LinCMOS process. The timer is fully
compatible with CMOS, TTL, and MOS logic and operates at frequencies up to 2 MHz. Because of its
high input impedance, this device supports smaller timing capacitors than those supported by the NE555 or LM555. As a result, more accurate time delays and oscillations are possible. Power consumption is low across the full range of power-supply voltage.
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Features
1. Very low power consumption : 1-mW typical at VDD = 5 V
2. Capable of operation in astable mode
3. CMOS output capable of swinging rail to rail
4. High output current capability
– Sink: 100-mA typical
– Source: 10-mA typical
5. Output fully compatible with CMOS, TTL, and MOS
6. Low supply current reduces spikes during output transitions
555 Datasheet
