Pull-Up Resistor Equations

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Semiconductor

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DM54LS03/DM74LS03 Quad 2-lnput NAND Gates

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General Description

This device contains four independent gates each of which performs the logic NAND function. The open-collector out-puts require external pull-up resistors for proper logical op-eration.

Connection Diagram

R Vee (Min) - VOH MAX = N1 (IOH)

+

N2 (lIH) R Vee (Max) - VOL

MIN = IOL - N3 (IIU

Where: N1 (lOH) = total maximum output high current for all outputs tied to pull-up resistor

N2 (IIH) = total maximum input high current for all inputs tied to pull-up resistor

N3 (lIU = total maximum input low current for all inputs tied to pull-up resistor

Dual-In-Llne Package

Function Table

Vee B4 A4 V4 B3 A3 V3

AI BI VI A2 B2 V2 GND

Order Number DM54LS03J, DM74LS03M or DM74LS03N See NS Package Number J14A, M14A or N14A

y = AB Inputs

A B

L L

L H

H L

H H

H = High Logie Level L = Low Logic Level

Output Y H H H L

TLlF/6344-1

Absolute Maximum Ratings

(Note)

Specifications for Military/Aerospace products are not Note: The "Absolute Maximum Ratings" are those values contained in this datasheet. Refer to the associated beyond which the safety of the device cannot be guaran-reliability electrical test specifications document. teed. The device should not be operated at these limits. The Supply Voltage 7V parametric values defined in the "Electrical Characteristics"

Input Voltage 7V table are not guaranteed at the absolute maximum ratings.

The "Recommended Operating Conditions" table will define

Output Voltage 7V the conditions for actual device operation.

Operating Free Air Temperature Range

DM54LS - 55°C to

+

125°C

DM74LS O°C to +70°C

Storage Temperature Range - 65°C to

+

^150°C

Recommended Operating Conditions

Symbol Parameter DM54LS03 DM74LS03

Units

Min Nom Max Min Nom Max

Vcc Supply Voltage 4.5 5 5.5 4.75 5 5.25 V

VIH High Level Input Voltage 2 2 V

Vil Low Level Input Voltage 0.7 0.8 V

VOH High Level Output Voltage 5.5 5.5 V

IOl Low Level Output Current 4 8 rnA

TA Free Air Operating Temperature -55 125 0 70 °C

Electrical Characteristics

over recommended operating free air temperature range (unless otherwise noted)

Symbol Parameter Conditions Min Typ

Max Units

(Note 1)

VI Input Clamp Voltage Vcc = Min, II = -18 rnA -1.5 V

ICEX High Level Output Vcc = Min, Vo = 5.5V,

100 fJ-A

Current Vil = Max

VOL Low Level Output Vcc = Min, IOl = Max, DM54 0.25 0.4

Voltage VIH = Min DM74 0.35 0.5 V

IOl = 4 rnA, Vee = Min DM74 0.25 0.4

II Input Current @ Max Vcc = Max, VI = 7V

0.1 rnA

Input Voltage

IIH High Level Input Current Vcc = Max, VI = 2.7V 20 fJ-A

III Low Level Input Current Vcc = Max, VI = O.4V -0.36 rnA

ICCH Supply Current with Vcc = Max

0.8 1.6 rnA

Outputs High

ICCl Supply Current with Vcc = Max

2.4 4.4 rnA

Outputs Low

Switching Characteristics

^{at Vcc}⁼^{5V and TA}⁼25°C (See Section 1 for Test Waveforms and Output Load) RL = 2kO

Symbol Parameter CL = 15 pF CL = 50 pF Units

Min Max Min Max

tplH Propagation Delay Time

6 20 20 45 ns

Low to High Level Output tpHl Propagation Delay Time

3 15 4 20 ns

High to Low Level Output Note 1: All typicals are at Vec = SV, TA = 2S'C.

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Corporation

DM54LS04/DM74LS04 Hex Inverting Gates

General Description

This device contains six independent gates each of which performs the logic INVERT function.

Connection Diagram

Dual·ln·Line Package

Vee A6 Y6 A5 V5

14 13 12 11 10

AI VI A2 V2 A3

A4 Y4

V3 GNU

Order Number DM54LS04J, DM74LS04M or DM74LS04N See NS Package Number J14A, M14A or N14A

Function Table

Y=A

Input A L H H = High Logie Level L = Low Logic Level

Output Y H L

TL/F/6345-1

Absolute Maximum Ratings

(Note)

Specifications for Military I Aerospace products are not Note: The "Absolute Maximum Ratings" are those values contained In this datasheet. Refer to the associated beyond which the safety of the device cannot be guaran-reliability electrical test specifications document. teed. The device should not be operated at these limits. The Supply Voltage 7V parametric values defined in the "Electrical Characteristics"

Input Voltage 7V table are not guaranteed at the absolute maximum ratings.

The "Recommended Operating Conditions" table will define Operating Free Air Temperature Range the conditions for actual device operation.

DM54LS - 55'C to + 125·C

DM74LS O'Cto +70·C

Storage Temperature Range - 65'C to + 150·C

Recommended Operating Conditions

Symbol Parameter DM54LS04 DM74LS04

Units

Min Nom Max Min Nom Max

Vee Supply Voltage 4.5 5 5.5 4.75 5 5.25 V

VIH High Level Input Voltage 2 2 V

VIL Low Level Input Voltage 0.7 0.8 V

10H High Level Output Current -0.4 -0.4 mA

10L Low Level Output Current 4 8 mA

TA Free Air Operating Temperature -55 125 0 70 ·C

Electrical Characteristics

over recommended operating free air temperature range (unless otherwise noted)

Symbol Parameter Conditions Min Typ

Max Units

(Note 1)

VI Input Clamp Voltage Vee = Min,ll = -18 mA -1.5 V

VOH High Level Output Vee = Min, 10H = Max, DM54 2.5 3.4

Voltage VIL = Max DM74 2.7 3.4 V

VOL Low Level Output Vee = Min, 10L = Max, DM54 0.25 0.4

Voltage VIH = Min DM74 0.35 0.5 V

10L = 4 mA, Vee = Min DM74 0.25 0.4

II Input Current @ Max Vee = Max, VI = 7V

0.1 mA

Input Voltage

IIH High Level Input Current Vee = Max, VI = 2.7V 20 ,...,A

IlL Low Level Input Current Vee = Max, VI = O.4V -0.36 mA

los Short Circuit Vee = Max DM54 -20 -100

Output Current (Note 2) DM74 -20 -100 mA

leeH Supply Current with Vee = Max

1.2 2.4 mA

Outputs High

leeL Supply Current with Vee = Max

3.6 6.6 mA

Outputs Low

Switching Characteristics

at Vee = 5V and TA = 25'C (See Section 1 for Test Waveforms and Output Load) RL = 2kn

Symbol Parameter CL = 15 pF CL = 50pF Units

Min Max Min Max

tpLH Propagation Delay Time

3 10 4 15 ns

Low to High Level Output tpHL Propagation Delay Time

3 10 4 15 ns

High to Low Level Output Note 1: All typicals are at Vee = 5V, T A = 25°C.

Note 2: Not more than one output should be shorted at a time, and the duration should not exceed one second.

2-11

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~ DM54LS05/DM74LS05 Hex Inverters

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;1; with Open-Collector Outputs

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Dans le document Semiconductor Corporation (Page 92-96)