HEF4521B_09 datasheet(6/17 Pages) NXP

Part #	HEF4521B

Description	24-stage frequency divider and oscillator

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Manufacturer	NXP [NXP Semiconductors]

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HEF4521B_5

Product data sheet

Rev. 05 — 5 November 2009

6 of 17

NXP Semiconductors

HEF4521B

24-stage frequency divider and oscillator

10. Recommended operating conditions

11. Static characteristics

Table 6.

Recommended operating conditions

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VDD

supply voltage

3

-

15

V

VI

input voltage

0

-

VDD

V

Tamb

ambient temperature

in free air

−40

-

+85

°C

∆t/∆V

input transition rise and fall rate

VDD = 5 V

-

3.75

µs/V

VDD = 10 V

-

0.5

µs/V

VDD = 15 V

-

0.08

µs/V

Table 7.

Static characteristics

VSS = 0 V; VI = VSS or VDD unless otherwise speciﬁed.

Symbol Parameter

Conditions

VDD

Tamb = −40 °C

Tamb = 25 °C

Tamb = 85 °C

Unit

Min

Max

Min

Max

Min

Max

VIH

HIGH-level input voltage

|IO| < 1 µA

5 V

3.5

-

3.5

-

3.5

-

V

10 V

7.0

-

7.0

-

7.0

-

V

15 V

11.0

-

11.0

-

11.0

-

V

VIL

LOW-level input voltage

|IO| < 1 µA

5 V

-

1.5

-

1.5

-

1.5

V

10 V

-

3.0

-

3.0

-

3.0

V

15 V

-

4.0

-

4.0

-

4.0

V

VOH

HIGH-level output voltage

|IO| < 1 µA

5 V

4.95

-

4.95

-

4.95

-

V

10 V

9.95

-

9.95

-

9.95

-

V

15 V

14.95

-

14.95

-

14.95

-

V

VOL

LOW-level output voltage

|IO| < 1 µA

5 V

-

0.05

-

0.05

-

0.05

V

10 V

-

0.05

-

0.05

-

0.05

V

15 V

-

0.05

-

0.05

-

0.05

V

IOH

HIGH-level output current

VO = 2.5 V

5 V

−1.7

-

−1.4

-

−1.1

-

mA

VO = 4.6 V

5 V

−0.52

-

−0.44

-

−0.36

-

mA

VO = 9.5 V

10 V

−1.3

-

−1.1

-

−0.9

-

mA

VO = 13.5 V

15 V

−3.6

-

−3.0

-

−2.4

-

mA

IOL

LOW-level output current

VO = 0.4 V

5 V

0.52

-

0.44

-

0.36

-

mA

VO = 0.5 V

10 V

1.3

-

1.1

-

0.9

-

mA

VO = 1.5 V

15 V

3.6

-

3.0

-

2.4

-

mA

II

input leakage current

15 V

-

±0.3

-

±0.3

-

±1.0 µA

IDD

supply current

IO = 0 A

5 V

-

20

-

20

-

150

µA

10 V

-

40

-

40

-

300

µA

15 V

-

80

-

80

-

600

µA

CI

input capacitance

-

7.5

-

pF

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