CDP1871ACDX datasheet(4/10 Pages) INTERSIL

Part #	CDP1871ACDX

Description	CMOS Keyboard Encoder

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Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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4 / 10 page

4-69

CDP1871A, CDP1871ACCDP1871A, CDP1871AC

Output High Drive (Source)

Current

IOH

4.6

0, 5

5

-0.3

-0.6

-

-0.3

-0.6

-

mA

9.5

0, 10

10

-0.75

-1.5

-

mA

Input Low Voltage

(Except Debounce)

VIL

0.5, 4.5

-

5

-

1.5

-

1.5

V

1, 9

-

10

-

3

-

V

Input High Voltage

(Except Debounce)

VIH

0.5, 4.5

-

5

3.5

-

3.5

-

V

1, 9

-

10

7

-

V

Debounce Schmitt Trigger

Input Voltage

VD

0.4

-

5

2.0

3.3

4.0

2.0

3.3

4.0

V

Positive Trigger Voltage

0.5

-

10

4.0

6.3

8.0

-

V

Negative Trigger Voltage

VN

0.4

-

5

0.8

1.8

3.0

0.8

1.8

3.0

V

0.5

-

10

1.9

4.0

6.0

-

V

Hysteresis

VH

0.4

0, 5

5

0.3

1.6

2.6

0.3

1.6

2.6

V

0.5

0, 10

10

0.7

2.3

4.7

-

V

Output Voltage Low Level

VOL

-

0, 5

5

-

0

0.05

-

0

0.05

V

-

0, 10

10

-

0

0.05

-

V

Output Voltage High Level

VOH

-

0, 5

5

4.95

5

-

4.95

5

-

V

-

0, 10

10

9.95

10

-

V

Input Leakage Current

(Except S1-S8, Shift,

Control)

IIN

-

0, 5

5

-

0.01

1

-

0.01

1

µA

-

0, 10

10

-

0.01

1

-

µA

Three-State Output Leakage

Current

IOUT

0, 5

5

-

0.01

1

-

0.02

2

µA

0, 10

10

-

0.02

2

-

µA

Pull-Down Resistor Value

(S1-S8, Shift, Control)

RPD

-

7

14

24

7

14

24

k

Ω

Operating Current

(All Outputs Unloaded)

fCL = 0.4MHz

IOPER

0.5, 4.5

0, 5

5

-

0.6

-

0.6

-

mA

fCL = 0.8MHz

1, 9

0, 10

10

-

2.7

-

mA

NOTE:

1. Typical values are for TA = +25

oC and nominal V

DD.

Static Electrical Speciﬁcations At TA = -40 to +85oC, Unless Otherwise Speciﬁed (Continued)

PARAMETER

CONDITIONS

LIMITS

UNITS

VO

(V)

VIN

(V)

VDD

(V)

CDP1871AD

CDP1871AE

CDP1871ACD

CDP1871ACE

MIN

(NOTE 1)

TYP

MAX

MIN

(NOTE1)

TYP

MAX

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