THRES voltage level

TRIG voltage level

RESET current

CONT voltage (open circuit)

Low-level output voltage

Supply current

VCC = 15 V

VCC = 5 V

VCC = 15 V

Output low,

No load

Output high,

No load

V

V

mA

V

V

V

Initial error of timing interval†

%/V

ns

CL = 15 pF

Supply voltage sensitivity of timing interval

SLFS022 – D1669, SEPTEMBER 1973—REVISED FEBRUARY 1992

NE555Y

PRECISION TIMERS

POST OFFICE BOX 655303

6

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VCC = 15 V

8.8

10

11.2

VCC = 5 V

2.4

3.3

4.2

THRES current (see Note 2)

30

250

nA

VCC = 15 V

4.5

5

5.6

VCC = 5 V

1.1

1.67

2.2

TRIG current

TRIG at 0 V

0.5

2

µA

RESET voltage level

0.3

0.7

1

V

RESET at VCC

0.1

0.4

RESET at 0 V

– 0.4

– 1.5

DISCH switch off-state current

20

100

nA

VCC = 15 V

9

10

11

VCC = 5 V

2.6

3.3

4

IOL = 10 mA

0.1

0.25

IOL = 50 mA

0.4

0.75

IOL = 100 mA

2

2.5

IOL = 200 mA

2.5

IOL = 5 mA

0.1

0.35

IOL = 8 mA

0.15

0.4

IOH = – 100 mA

12.75

13.3

High-level output voltage

IOH = – 200 mA

12.5

VCC = 5 V

IOH = – 100 mA

2.75

3.3

VCC = 15 V

10

15

VCC = 5 V

3

6

mA

VCC = 15 V

9

13

VCC = 5 V

2

5

NOTE 2: This parameter influences the maximum value of the timing resistors RA and RB in the circuit of Figure 12. For example, when

VCC = 5 V, the maximum value is R = RA + RB ≈ 3.4 MΩ, and for VCC = 15 V, the maximum value is 10 MΩ

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Each timer, monostable‡

1%

3%

Each timer, astable§

2.25%

Each timer, monostable‡

0.1

0.5

Each timer, astable§

0.3

Output pulse rise time

100

300

Output pulse fall time

100

300

† Timing interval error is defined as the difference between the measured value and the average value of a random sample from each process run.

‡ Values specified are for a device in a monostable circuit similar to Figure 9, with component values as follow: RA = 2 kΩ to 100 kΩ, C = 0.1 µF.

§ Values specified are for a device in an astable circuit similar to Figure 12, with component values as follow: RA = 1 kΩ to 100 kΩ, C = 0.1 µF.