NE555 데이터 시트보기 (PDF) - STMicroelectronics

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NE555

General-purpose single bipolar timers

STMicroelectronics 

NE555 - SA555 - SE555

Electrical characteristics

Table 3.

Symbol

Tamb = +25° C, VCC = +5 V to +15 V (unless otherwise specified) (continued)

Parameter

SE555

NE555 - SA555

Unit

Min. Typ. Max. Min. Typ. Max.

High level output voltage

VOH

VCC = +15 VIO(sink) = 200 mA

IO(sink) = 100 mA

VCC = +5 V IO(sink) = 100 mA

12.5

13 13.3

3 3.3

12.7

5

2.75

12.5

13.3

3.3

V

Idis(off)

Discharge pin leakage current

(output high) Vdis = 10 V

Vdis(sat)

Discharge pin saturation voltage

(output low) (4)

VCC = +15V, Idis = 15 mA

VCC = +5V, Idis = 4.5 mA

tr Output rise time

tf Output fall time

toff Turn off time (5) (Vreset = VCC)

20 100

180 480

80 200

100 200

100 200

0.5

20 100 nA

mV

180 480

80 200

100 300

100 300

ns

0.5

µs

1. Tested at VCC = +5 V and VCC = +15 V.

2. This will determine the maximum value of RA + RB for 15 V operation. The maximum total (RA + RB) is 20 MΩ for +15 V

operation and 3.5 MΩ for +5 V operation.

3. Specified with trigger input high.

4. No protection against excessive pin 7 current is necessary, providing the package dissipation rating is not exceeded.

5. Time measured from a positive pulse (from 0 V to 0.8 x VCC) on the threshold pin to the transition from high to low on the

output pin. Trigger is tied to threshold.

Doc ID 2182 Rev 6

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