SE556J datasheet(4/15 Pages) TI

Part #	SE556J

Description	DUAL PRECISION TIMERS

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Manufacturer	TI [Texas Instruments]

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Electrical Characteristics

NA556, NE556, SA556, SE556

DUAL PRECISION TIMERS

SLFS023G – APRIL 1978 – REVISED JUNE 2006

V

CC = 5 V to 15 V, TA = 25°C (unless otherwise noted)

NA556

NE556

SE556

PARAMETER

TEST CONDITIONS

UNIT

SA556

MIN

TYP

MAX

MIN

TYP

MAX

VCC = 15 V

8.8

10

11.2

9.4

10

10.6

Threshold voltage

VT

V

level

VCC = 5 V

2.4

3.3

4.2

2.7

3.3

4

IT

Threshold current(1)

30

250

30

250

nA

4.5

5

5.6

4.8

5

5.2

VCC = 15 V

TA = –55°C to 125°C

3

6

VTRIG

Trigger voltage level

V

1.1

1.67

2.2

1.45

1.67

1.9

VCC = 5 V

TA = –55°C to 125°C

1.9

ITRIG

Trigger current

TRIG at 0 V

0.5

2

0.5

0.9

µA

0.3

0.7

1

0.3

0.7

1

VRESET Reset voltage level

V

TA = –55°C to 125°C

1.1

RESET at VCC

0.1

0.4

0.1

0.4

IRESET

Reset current

mA

RESET at 0 V

–0.4

1.5

–0.4

–1

Discharge switch

IDISCH

20

100

20

100

nA

off-state current

9

10

11

9.6

10

10.4

VCC = 15 V

TA = –55°C to 125°C

9.6

10.4

Control voltage

VCONT

V

(open circuit)

2.6

3.3

4

2.9

3.3

3.8

VCC = 5 V

TA = –55°C to 125°C

2.9

3.8

0.1

0.25

0.1

0.15

VCC = 15 V,

IOL = 10 mA

TA = –55°C to 125°C

0.2

0.4

0.75

0.4

0.5

VCC = 15 V,

IOL = 50 mA

TA = –55°C to 125°C

1

2

2.5

2

2.2

VCC = 15 V,

IOL = 100 mA

Low-level

TA = –55°C to 125°C

2.7

VOL

V

output voltage

VCC = 15 V, IOL = 200 mA

2.5

VCC = 5 V,

TA = –55°C to 125°C

0.35

IOL = 3.5 mA

0.1

0.25

0.1

0.15

VCC = 5 V,

IOL = 5 mA

TA = –55°C to 125°C

0.8

VCC = 5 V, IOL = 8 mA

0.15

0.3

0.15

0.25

12.75

13.3

13

13.3

VCC = 15 V,

IOH = –100 mA

TA = –55°C to 125°C

12

High-level

VOH

VCC = 15 V, IOH = –200 mA

12.5

V

output voltage

2.75

3.3

3

3.3

VCC = 5 V,

IOH = –100 mA

TA = –55°C to 125°C

2

VCC = 15 V

20

30

20

24

Output low,

No load

VCC = 5 V

6

12

6

10

ICC

Supply current

mA

VCC = 15 V

18

26

18

20

Output high,

No load

VCC = 5 V

4

10

4

8

(1)

This parameter influences the maximum value of the timing resistors R and RB in the circuit of Figure 1. 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.

4

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