DM74157N

DM74157N Datasheet

DM74157 Quad 2-Line to 1-Line Data Selectors/Multiplexer

Part	Datasheet
DM74157N	DM74157N (pdf)

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DM74157 Quad 2-Line to 1-Line Data Selectors/Multiplexer DM74157 Quad 2-Line to 1-Line Data Selectors/Multiplexer These data selectors/multiplexers contain inverters and drivers to supply full on-chip data selection to the four output gates. A separate strobe input is provided. A 4-bit word is selected from one of two sources and is routed to the four outputs. • Expand any data input point • Multiplex dual data buses • Generate four functions of two variables one variable is common • Source programmable counters s Buffered inputs and outputs s Typical propagation time 9 ns s Typical power dissipation 150 mW Ordering Code: Order Number Package Number Package Description DM74157N N16E 16-Lead Plastic Dual-In-Line Package PDIP , JEDEC MS-001, Wide Connection Diagram Logic Diagram Function Table Strobe H L H = HIGH Level, Inputs Select L = LOW Level, X = Don’t Care Output Y L H L H 2001 Fairchild Semiconductor Corporation DS006550 DM74157 Absolute Maximum Ratings Note 1 Supply Voltage Input Voltage Operating Free Air Temperature Range Storage Temperature Range 7V 5.5V 0°C to +70°C −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 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 Nom 5 Input Clamp Voltage VCC = Min, II = −12 mA HIGH Level VCC = Min, IOH = Max Output Voltage VIL = Max, VIH = Min

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DM74157 Quad 2-Line to 1-Line Data Selectors/Multiplexer

DM74157 Quad 2-Line to 1-Line Data Selectors/Multiplexer

These data selectors/multiplexers contain inverters and drivers to supply full on-chip data selection to the four output gates. A separate strobe input is provided. A 4-bit word is selected from one of two sources and is routed to the four outputs.
• Expand any data input point
• Multiplex dual data buses
• Generate four functions of two variables one variable is
common
• Source programmable counters
s Buffered inputs and outputs s Typical propagation time 9 ns s Typical power dissipation 150 mW
Ordering Code:

Order Number Package Number

Package Description

DM74157N

N16E
16-Lead Plastic Dual-In-Line Package PDIP , JEDEC MS-001, Wide

Connection Diagram

Logic Diagram

Function Table

Strobe H L

H = HIGH Level,

Inputs

Select

L = LOW Level, X = Don’t Care

Output Y

L H L H
2001 Fairchild Semiconductor Corporation DS006550

DM74157

Absolute Maximum Ratings Note 1

Supply Voltage Input Voltage Operating Free Air Temperature Range Storage Temperature Range
7V 5.5V 0°C to +70°C −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

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

Nom 5

Input Clamp Voltage

VCC = Min, II = −12 mA

HIGH Level

VCC = Min, IOH = Max

Output Voltage

VIL = Max, VIH = Min

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Datasheet ID: DM74157N 513620