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SE555P, SE555T, SE556

Table of contents:
Info of SE555P
Info of SE555T
Info of SE556

SE555P, SE555T, SE556 Selling Leads, Datasheet

MFG:Texas Instruments Category:Integrated Circuits (ICs) Package Cooled:DIP8 D/C:2007

SE555P, SE555T, SE556 Datasheet download

Five Points

Part Number: SE555P

Category: Integrated Circuits (ICs)

MFG: Texas Instruments

Package Cooled: DIP8

D/C: 2007

Description: IC PRECISION TIMER 8-DIP

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SE555P Parameters

Technical/Catalog Information	SE555P
Vendor	Texas Instruments
Category	Integrated Circuits (ICs)
Type	555 Type, Timer/Oscillator (Single)
Frequency	-
Count	-
Voltage - Supply	4.5 V ~ 16 V
Current	200mA
Package / Case	8-DIP (300 mil)
Packaging	Tube
Operating Temperature	-55°C ~ 125°C
Drawing Number	296; 4040082; P; 8
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	SE555P SE555P 296 9684 5 ND 29696845ND 296-9684-5

SE556 General Description

These devices provide two independent timing circuits of the NE555, SA555, or SE555 type in each package. These circuits can be operated in the astable 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 are normally 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 the reset input 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).
The NE556 is characterized for operation from 0°C to 70°C. The SA556 is characterized for operation from 40°C to 85°C, and the SE556 is characterized for operation over the full military range of 55°C to 125°C.

SE556 Maximum Ratings

Supply voltage, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 V
Input voltage (CONT, RESET, THRES, and TRIG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VCC
Output current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±225 mA
Continuous total dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . .See Dissipation Rating Table
Package thermal impedance, qJA (see Note 2): D package . . . . . . . . . . . . . . . . . . . .86°C/W
N package . . . . . . . . . . . . . . . . . . . 80°C/W
Lead temperature 1,6 mm (1/16 inch) from case for 60 seconds: J package . . . . . . . .300°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: D or N package . . . 260°C
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65°C to 150°C

SE556 Features

` Two Precision Timing Circuits per Package
` Astable or Monostable Operation
` TTL-Compatible Output Can Sink or Source Up to 150 mA
` Active Pullup or Pulldown
` Designed to be Interchangeable With Signetics NE556, SA556, and SE556
` Applications Include:
Precision Timers From Microseconds to
Hours
Pulse-Shaping CIrcuits
Missing-Pulse Detectors
Tone-Burst Generators
Pulse-Width Modulators
Pulse-Position Modulators
Sequential Timers
Pulse Generators
Frequency Dividers
Application Timers
Industrial Controls
Touch-Tone Encoders

SE556 Connection Diagram

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