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See Technical Specifications

SE555D

Precision timer for -55 to 125C operation

Manufacturer: Texas Instruments, Inc
Mfr.Part #: SE555D
Datasheet: SE555D Datasheet (PDF)
Type: 555 Type, Timer/Oscillator (Single)
Frequency: 100kHz
Voltage - Supply: 4.5V ~ 18V
Current - Supply: 10 mA
EDA/CAD Models: Request Free CAD Models for SE555D

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SE555D General Description

These devices are precision timing circuits capable of producing accurate time delays or oscillation. In the time-delay or 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 two-thirds and one-third, respectively, of V_CC. 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 (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 discharge (DISCH) and ground.

The output circuit is capable of sinking or sourcing current up to 200 mA. Operation is specified for supplies of 5 V to 15 V. With a 5-V supply, output levels are compatible with TTL inputs.

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Key Features

Timing From Microseconds to Hours
Astable or Monostable Operation
Adjustable Duty Cycle
TTL-Compatible Output Can Sink or Source
Up to 200 mA
On Products Compliant to MIL-PRF-38535,
All Parameters Are Tested Unless Otherwise Noted. On All Other Products, Production Processing Does Not Necessarily Include
Testing of All Parameters.

Specifications

Category	Integrated Circuits (ICs)Clock/TimingProgrammable Timers and Oscillators	Series	-
Type	555 Type, Timer/Oscillator (Single)	Count	-
Frequency	100kHz	Voltage - Supply	4.5V ~ 18V
Current - Supply	10 mA	Operating Temperature	-55°C ~ 125°C
Mounting Type	Surface Mount	Base Product Number	SE555