DM74S158N

DM74S158N Datasheet

DM74S157<br>• DM74S158 Quad 1 of 2 Line Data Selector/Multiplexer

Part	Datasheet
DM74S158N	DM74S158N (pdf)

Related Parts	Information
DM74S157N	DM74S157N

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DM74S157 • DM74S158 Quad 1 of 2 Line Data Selector/Multiplexer DM74S157 • DM74S158 Quad 1 of 2 Line Data Selector/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. The DM74S157 presents true data whereas the DM74S158 presents inverted data to minimize propagation delay time. • 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 DM74S157 5 ns DM74S158 4 ns s Typical power dissipation DM74S157 250 mW DM74S158 195 mW Ordering Code: Order Number DM74S157N DM74S158N Package Number Package Description N16E 16-Lead Plastic Dual-In-Line Package PDIP , JEDEC MS-001, Wide N16E 16-Lead Plastic Dual-In-Line Package PDIP , JEDEC MS-001, Wide Connection Diagrams DM74S157 DM74S158 2000 Fairchild Semiconductor Corporation DS006470 DM74S157 • DM74S158 Function Table H = HIGH Level L = LOW Level X = Don’t Care Strobe H L Logic Diagrams Inputs Select DM74S157 Output Y DM74S157 DM74S158 DM74S158 DM74S157 • DM74S158 Absolute Maximum Ratings Note 1 Supply Voltage Input Voltage 5.5V 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. DM74157 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 Units −1 DM74S157 Electrical Characteristics over recommended operating free air temperature unless otherwise noted Parameter Conditions

PDF Datasheet Preview

DM74S157
• DM74S158 Quad 1 of 2 Line Data Selector/Multiplexer

DM74S157
• DM74S158 Quad 1 of 2 Line Data Selector/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. The DM74S157 presents true data whereas the DM74S158 presents inverted data to minimize propagation delay time.
• 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

DM74S157 5 ns DM74S158 4 ns s Typical power dissipation DM74S157 250 mW DM74S158 195 mW
Ordering Code:

Order Number DM74S157N DM74S158N

Package Number

Package Description

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

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

Connection Diagrams

DM74S157

DM74S158
2000 Fairchild Semiconductor Corporation DS006470

DM74S157
• DM74S158

Function Table

H = HIGH Level L = LOW Level X = Don’t Care

Strobe H L

Logic Diagrams

Inputs

Select

DM74S157

Output Y

DM74S157 DM74S158

DM74S158

DM74S157
• DM74S158

Absolute Maximum Ratings Note 1

Supply Voltage

Input Voltage
5.5V

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.

DM74157 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

Units
−1

DM74S157 Electrical Characteristics
over recommended operating free air temperature unless otherwise noted

Parameter

Conditions

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived DM74S158N Datasheet file may be downloaded here without warranties.

Datasheet ID: DM74S158N 513832