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MICROCIRCUIT DATA SHEET

Original Creation Date: 06/25/97

Last Update Date: 07/08/97

CN54F20-X REV 0A0

Last Major Revision Date: 06/25/97

DUAL 4-INPUT NAND GATE

General Description

This device contains two independent gates, each of which performs the logic NAND

function.

Industry Part Number

NS Part Numbers

54F20

54F20DC

Prime Die

M020

Processing

Subgrp Description

Temp (^oC)

(blank)

1

Static tests at

+25

+70

0

+25

+70

0

+25

+70

0

+25

+70

0

2

Static tests at

3

Static tests at

4

Dynamic tests at

Functional tests at

Switching tests at

Quality Conformance Inspection

5

6

(blank)

7

8A

8B

9

10

11

1

MICROCIRCUIT DATA SHEET

CN54F20-X REV 0A0

(Absolute Maximum Ratings)

(Note 1)

Storage Temperature

-65 C to +150 C

Ambient Temperature under Bias

Junction Temperature under Bias

Vcc Pin Potential to Ground Pin

-55 C to +125 C

-55 C to +175 C

-0.5V to +7.0V

Input Voltage

(Note 2)

-0.5V to +7.0V

-30mA to +5.0mA

Input Current

(Note 2)

Voltage Applied to Output in HIGH State (with Vcc=0V)

Standard Output

-0.5V to Vcc

-0.5V to +5.5V

TRI-STATE Output

Current Applied to Output in LOW State (Max)

twice the rated Iol(mA)

Note 1: Absolute Maximum ratings are those values beyond which the device may be damaged or

have its useful life impaired. Functional operation under these conditions is not

implied.

Note 2: Either voltage limit or current limit is sufficient to protect inputs.

Recommended Operating Conditions

Free Air Ambient Temperature

Commercial

0 C to +70 C

Supply Voltage

Commercial

+4.5V to +5.5V

2

MICROCIRCUIT DATA SHEET

CN54F20-X REV 0A0

Electrical Characteristics

DC PARAMETER

(The following conditions apply to all the following parameters, unless otherwise specified.)

DC: VCC 4.5V to 5.5V, Temp range: 0C to +70C

PIN-

SUB-

SYMBOL

VIH

PARAMETER

CONDITIONS

NOTES

MIN

MAX UNIT

NAME

GROUPS

Input HIGH

Voltage

Recognized as a HIGH Signal

1

INPUTS 2.0

INPUTS

V

1, 2,

3

VIL

VCD

VOH

Input LOW Voltage Recognized as a LOW Signal

1

0.8

V

1, 2,

3

Input Clamp Diode VCC=4.5V, IIN=-18mA

Voltage

2, 3 INPUTS

-1.2

V

1, 2,

3

Output HIGH

Voltage

VCC=4.5V, IOH=-1.0mA

VCC=4.75V, IOH=-1.0mA

VCC=4.5V, IOL=20mA

VCC=5.5V, VIN=2.7V

VCC=5.5V, VIN=7.0V

2, 3 OUTPUTS 2.5

2, 3 OUTPUTS 2.7

2, 3 OUTPUTS

2, 3 INPUTS

V

1, 2,

3

V

1, 2,

3

VOL

Output LOW

Voltage

0.5

5.0

7.0

V

1, 2,

3

IIH

Input HIGH

Current

uA

1, 2,

3

IBVI

Input HIGH

Current Breakdown

Test

2, 3 INPUTS

1, 2,

3

ICEX

VID

IOD

IIL

IOS

Output HIGH

VCC=5.5V, VOUT = VCC

2, 3 OUTPUTS

100

uA

V

1, 2,

3

Leakage Current

Input Leakage

Test

VCC = 0.0V, IID = 1.9uA,

All other pins grounded

2, 3 INPUTS 4.75

2, 3 OUTPUTS

1, 2,

3

Output Leakage

Circuit Current

VCC = 0.0V, VIOD = 150mV,

All other pins grounded

4.75

-0.6

-150

uA

mA

1, 2,

3

Input LOW Current VCC=5.5V, VIN=0.5V

2, 3 INPUTS

1, 2,

3

Output

Short-Circuit

Current

VCC=5.5V, VOUT = 0V

2, 3 OUTPUTS -60

1, 2,

3

ICCH

ICCL

Power Supply

Current

VCC=5.5V, VO = HIGH

VCC=5.5V, VO = LOW

2, 3 VCC

1.4

5.1

mA

1, 2,

3

Power Supply

Current

1, 2,

3

MICROCIRCUIT DATA SHEET

CN54F20-X REV 0A0

Electrical Characteristics

AC PARAMETER

(The following conditions apply to all the following parameters, unless otherwise specified.)

AC: CL=50pf, RL=500 OHMS, TR=2.5ns, TF=2.5ns SEE AC FIGS. Temp Range: 0C to +70C

PIN-

SUB-

SYMBOL

tpLH

PARAMETER

CONDITIONS

NOTES

MIN

MAX UNIT

NAME

GROUPS

Propagation Delay VCC=+5.0V @ +25C,

VCC=4.5V & 5.5V @ 0/+70C

2, 3 An,Bn,C 2.4

5.0

ns

9

n,Dn /

On

2, 3 An,Bn,C 2.4

6.0

4.3

5.3

10, 11

9

n,Dn /

On

tpHL

Propagation Delay VCC=+5.0V @ +25C,

VCC=4.5V & 5.5V @ 0/+70C

2, 3 An,Bn,C 1.5

n,Dn /

On

2, 3 An,Bn,C 1.5

10, 11

n,Dn /

On

Note 1: Guaranteed by applying specific input condition and testing VOL & VOH.

Note 2: Screen tested 100% on each device at +75C temperature only, subgroups A2 & A10.

Note 3: Sample tested (Method 5005, Table 1) on each MFG. lot at +75C temperature only,

subgroups A2 & A10.

4

MICROCIRCUIT DATA SHEET

CN54F20-X REV 0A0

Revision History

Rev ECN # Rel Date Originator Changes

0A0

M0001723 07/08/97

Linda Collins

Legal issue with Fairchild, due to the

Fairchild/National split, is forcing the change from

CN74F which is 'Fairchilds' product code to CN54F

which is 'Nationals' product code.

5