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IK Semiconductor

IN74AC158 Datasheet Preview

IN74AC158 Datasheet

Quad 2-1 Data Selector/Multiplexer

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TECHNICAL DATA
Quad 2-Input Data Selector/Multiplexer
High-Speed Silicon-Gate CMOS
IN74AC158
The IN74AC158 is identical in pinout to the LS/ALS158,
HC/HCT158. The device inputs are compatible with standard CMOS
outputs; with pullup resistors, they are compatible with LS/ALS outputs.
This device routes 2 nibbles (A or B) to a single port (Y) as
determined by the Select input. The data is presented at the outputs in
invertered form. A high level on the Output Enable input sets all four Y
outputs to a high level.
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2.0 to 6.0 V
Low Input Current: 1.0 µA; 0.1µA @ 25 °C
High Noise Immunity Characteristic of CMOS Devices
Outputs Source/Sink 24 mA
LOGIC DIAGRAM
ORDERING INFORMATION
IN74AC158N Plastic
IN74AC158D SOIC
TA = -40° to 85° C for all
packages
PIN ASSIGNMENT
PIN 16 =VCC
www.datasheet4u.PcINo8m= GND
FUNCTION TABLE
Inputs
Outputs
Output
Enable
Select Y0-Y3
H XH
L L A0-A3
L H B0-B3
X=don’t care
A0-A3,B0-B3=the levels of the respective
Data-Word Inputs
1




IK Semiconductor

IN74AC158 Datasheet Preview

IN74AC158 Datasheet

Quad 2-1 Data Selector/Multiplexer

No Preview Available !

IN74AC158
MAXIMUM RATINGS*
Symbol
Parameter
Value
VCC
VIN
VOUT
IIN
IOUT
ICC
PD
DC Supply Voltage (Referenced to GND)
DC Input Voltage (Referenced to GND)
DC Output Voltage (Referenced to GND)
DC Input Current, per Pin
DC Output Sink/Source Current, per Pin
DC Supply Current, VCC and GND Pins
Power Dissipation in Still Air, Plastic DIP+
SOIC Package+
-0.5 to +7.0
-0.5 to VCC +0.5
-0.5 to VCC +0.5
±20
±50
±50
750
500
Tstg Storage Temperature
-65 to +150
TL Lead Temperature, 1 mm from Case for 10 Seconds
(Plastic DIP or SOIC Package)
260
*Maximum Ratings are those values beyond which damage to the device may occur.
Functional operation should be restricted to the Recommended Operating Conditions.
+Derating - Plastic DIP: - 10 mW/°C from 65° to 125°C
SOIC Package: : - 7 mW/°C from 65° to 125°C
Unit
V
V
V
mA
mA
mA
mW
°C
°C
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
VCC
VIN, VOUT
DC Supply Voltage (Referenced to GND)
DC Input Voltage, Output Voltage (Referenced to GND)
TJ Junction Temperature (PDIP)
TA Operating Temperature, All Package Types
IOH Output Current - High
IOL Output Current - Low
tr, tf Input Rise and Fall Time *
(except Schmitt Inputs)
* VIN from 30% to 70% VCC
VCC =3.0 V
VCC =4.5 V
VCC =5.5 V
Min Max Unit
2.0 6.0
V
0 VCC V
140 °C
-40 +85 °C
-24 mA
24 mA
0 150 ns/V
0 40
0 25
This device contains protection circuitry to guard against damage due to high static voltages or electric fields.
However, precautions must be taken to avoid applications of any voltage higher than maximum rated voltages to this
high-impedance circuit. For proper operation, VIN and VOUT should be constrained to the range GND(VIN or
VOUT)VCC.
Unused inputs must always be tied to an appropriate logic voltage level (e.g., either GND or VCC). Unused
outputs must be left open.
2


Part Number IN74AC158
Description Quad 2-1 Data Selector/Multiplexer
Maker IK Semiconductor
Total Page 6 Pages
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