DM74LS241N

DM74LS241N Datasheet

DM74LS240<br>• DM74LS241 Octal 3-STATE Buffer/Line Driver/Line Receiver

Part	Datasheet
DM74LS241N	DM74LS241N (pdf)

Related Parts	Information
DM74LS240WM	DM74LS240WM
DM74LS240N	DM74LS240N

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DM74LS240 • DM74LS241 Octal 3-STATE Buffer/Line Driver/Line Receiver DM74LS240 • DM74LS241 Octal 3-STATE Buffer/Line Driver/Line Receiver These buffers/line drivers are designed to improve both the performance and PC board density of 3-STATE buffers/ drivers employed as memory-address drivers, clock drivers, and bus-oriented transmitters/receivers. Featuring 400 mV of hysteresis at each low current PNP data line input, they provide improved noise rejection and high fanout outputs and can be used to drive terminated lines down to s 3-STATE outputs drive bus lines directly s PNP inputs reduce DC loading on bus lines s Hysteresis at data inputs improves noise margins s Typical IOL sink current 24 mA s Typical IOH source current −15 mA s Typical propagation delay times Inverting Noninverting 12 ns s Typical enable/disable time 18 ns s Typical power dissipation enabled Inverting 130 mW Noninverting 135 mW Ordering Code: Order Number Package Number Package Description DM74LS240WM M20B 20-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-013, Wide DM74LS240SJ M20D 20-Lead Small Outline Package SOP , EIAJ TYPE II, 5.3mm Wide DM74LS240N N20A 20-Lead Plastic Dual-In-Line Package PDIP , JEDEC MS-001, Wide DM74LS241WM M20B 20-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-013, Wide DM74LS241N N20A 20-Lead Plastic Dual-In-Line Package PDIP , JEDEC MS-001, Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Connection Diagrams DM74LS240 2000 Fairchild Semiconductor Corporation DS006411 DM74LS241 DM74LS240 • DM74LS241 Function Tables DM74LS240 Inputs Output Y H L Z L = LOW Logic Level H = HIGH Logic Level X = Either LOW or HIGH Logic Level Z = High Impedance DM74LS241 Inputs Outputs DM74LS240 • DM74LS241 Absolute Maximum Ratings Note 1 Supply Voltage Input Voltage Operating Free Air Temperature Range 0°C to +70°C Storage Temperature Range −65°C to +150°C Note 1 The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum ratings. The “Recommended Operating Conditions” table will define the conditions for actual device operation. Recommended Operating Conditions VCC VIH VIL IOH IOL TA Parameter Supply Voltage HIGH Level Input Voltage LOW Level Input Voltage HIGH Level Output Current LOW Level Output Current Free Air Operating Temperature Electrical Characteristics over recommended operating free air temperature range unless otherwise noted Parameter Conditions VI HYS Input Clamp Voltage Hysteresis VT+ − VT− Data Inputs Only HIGH Level Output Voltage LOW Level Output Voltage IOZH Off-State Output Current, HIGH Level Voltage Applied IOZL Off-State Output Current, LOW Level Voltage Applied Input Current at Maximum Input Voltage HIGH Level Input Current

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DM74LS240
• DM74LS241 Octal 3-STATE Buffer/Line Driver/Line Receiver

DM74LS240
• DM74LS241 Octal 3-STATE Buffer/Line Driver/Line Receiver

These buffers/line drivers are designed to improve both the performance and PC board density of 3-STATE buffers/ drivers employed as memory-address drivers, clock drivers, and bus-oriented transmitters/receivers. Featuring 400 mV of hysteresis at each low current PNP data line input, they provide improved noise rejection and high fanout outputs and can be used to drive terminated lines down to
s 3-STATE outputs drive bus lines directly
s PNP inputs reduce DC loading on bus lines s Hysteresis at data inputs improves noise margins
s Typical IOL sink current
24 mA
s Typical IOH source current −15 mA
s Typical propagation delay times

Inverting

Noninverting 12 ns s Typical enable/disable time 18 ns s Typical power dissipation enabled

Inverting
130 mW

Noninverting 135 mW
Ordering Code:

Order Number Package Number

Package Description

DM74LS240WM

M20B
20-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-013, Wide

DM74LS240SJ

M20D
20-Lead Small Outline Package SOP , EIAJ TYPE II, 5.3mm Wide

DM74LS240N

N20A
20-Lead Plastic Dual-In-Line Package PDIP , JEDEC MS-001, Wide

DM74LS241WM

M20B
20-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-013, Wide

DM74LS241N

N20A
20-Lead Plastic Dual-In-Line Package PDIP , JEDEC MS-001, Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Connection Diagrams

DM74LS240 2000 Fairchild Semiconductor Corporation DS006411

DM74LS241

DM74LS240
• DM74LS241

Function Tables

DM74LS240

Inputs

Output

Y H L Z

L = LOW Logic Level H = HIGH Logic Level X = Either LOW or HIGH Logic Level Z = High Impedance

DM74LS241

Inputs

Outputs

DM74LS240
• DM74LS241

Absolute Maximum Ratings Note 1

Supply Voltage

Input Voltage

Operating Free Air Temperature Range 0°C to +70°C

Storage Temperature Range
−65°C to +150°C

Note 1 The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum ratings. The “Recommended Operating Conditions” table will define the conditions for actual device operation.

Recommended Operating Conditions

VCC VIH VIL IOH IOL TA

Parameter Supply Voltage HIGH Level Input Voltage LOW Level Input Voltage HIGH Level Output Current LOW Level Output Current Free Air Operating Temperature

Electrical Characteristics
over recommended operating free air temperature range unless otherwise noted

Parameter

Conditions

VI HYS

Input Clamp Voltage Hysteresis VT+ − VT− Data Inputs Only HIGH Level Output Voltage

LOW Level Output Voltage

IOZH

Off-State Output Current,

HIGH Level Voltage Applied

IOZL

Off-State Output Current,

LOW Level Voltage Applied

Input Current at Maximum

Input Voltage

HIGH Level Input Current

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Datasheet ID: DM74LS241N 513779