DM74AS158N

DM74AS158N Datasheet


DM74AS157<br>• DM74AS158 Quad 1 of 2 Line Data Selector/Multiplexer

Part Datasheet
DM74AS158N DM74AS158N DM74AS158N (pdf)
Related Parts Information
DM74AS157N DM74AS157N DM74AS157N
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DM74AS157SJX DM74AS157SJX DM74AS157SJX
DM74AS158MX DM74AS158MX DM74AS158MX
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DM74AS157SJ DM74AS157SJ DM74AS157SJ
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DM74AS157
• DM74AS158 Quad 1 of 2 Line Data Selector/Multiplexer

DM74AS157
• DM74AS158 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 AS157 presents true data whereas the AS158 presents inverted data to minimize propagation delay time.
s Switching specifications at 50 pF s Switching specifications guaranteed over full tempera-
ture and VCC range s Advanced oxide-isolated, ion-implanted Schottky TTL
process s Functionally and pin for pin compatible with Schottky,
low power Schottky, and advanced low power Schottky TTL counterpart s Improved AC performance over Schottky, low power Schottky, and advanced low power Schottky counterparts s Expand any data input point s Multiplex dual data buses s General four functions of two variables one variable is common s Source programmable counters
Ordering Code:

Order Number Package Number

Package Description

DM74AS157M

M16A
16-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-012, Narrow

DM74AS157SJX

M16D
16-Lead Small Outline Package SOP , EIAJ TYPE II, 5.3mm Wide

DM74AS157N

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

DM74AS158M

M16A
16-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-012, Narrow

DM74AS158N

N16E
16-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 Diagram

Function Table

Inputs

STROBE Select A

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

Output Y

B DM74AS157 DM74AS158
2000 Fairchild Semiconductor Corporation DS006290

DM74AS157
• DM74AS158

Logic Diagrams

DM74AS157

DM74AS158

DM74AS157
• DM74AS158

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

Typical N Package
°C/W

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
−2

Electrical Characteristics
over recommended operating free air temperature range. All typical values are measured at VCC = 5V, TA = 25°C.

Parameter

Conditions

Input Clamp Voltage

HIGH Level

Output Voltage

LOW Level

Output Voltage

Input Current at Max

Input Voltage

HIGH Level

Input Current

LOW Level
More datasheets: CFTL-CN0134-EVALZ | FQB9N50CFTM_WS | FQB9N50CFTM | AT89STK-09 | AS1507-BTDT-10 | AS1507-BTDT-100-1K | AS1507-BTDT-100 | AS1507-BTDT-50 | DM74AS157N | DM74AS157M


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Datasheet ID: DM74AS158N 513715