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Numéro de référence | KK74ACT258 | ||
Description | Quad 2-Input Data Selector/Multiplexer | ||
Fabricant | KODENSHI KOREA | ||
Logo | |||
Quad 2-Input Data Selector/Multiplexer
with 3-State Outputs
High-Speed Silicon-Gate CMOS
TECHNICAL DATA
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KK74ACT258
The KK74ACT258 is identical in pinout to the LS/ALS258,
HC/HCT258. The KK74ACT258 may be used as a level converter for
interfacing TTL or NMOS outputs to High Speed CMOS inputs.
This device selects a (4-bit) nibble from either the A or B inputs as
determined by the Select input. The nibble is presented at the outputs in
inverted from when the Output Enable pin is at a low level. A high level
on the Output Enable pin switches the outputs into the high-impedance
state.
• TTL/NMOS Compatible Input Levels
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 4.5 to 5.5 V
• Low Input Current: 1.0 µA; 0.1 µA @ 25°C
• Outputs Source/Sink 24 mA
ORDERING INFORMATION
KK74ACT258N Plastic
KK74ACT258D SOIC
TA = -40° to 85° C for all packages
PIN ASSIGNMENT
LOGIC DIAGRAM
PIN 16 =VCC
PIN 8 = GND
FUNCTION TABLE
Inputs
Outputs
Output
Enable
Select Y0-Y3
H XZ
L L A0-A3
L H B0-B3
X=don’t care
Z = high-impedance state
A0-A3,B0-B3=the levels of the respective
Nibble Inputs
1
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Pages | Pages 6 | ||
Télécharger | [ KK74ACT258 ] |
No | Description détaillée | Fabricant |
KK74ACT251 | 8-Input Data Selector/Multiplexer | KODENSHI KOREA |
KK74ACT253 | Dual 4-Input Data Selector/Multiplexer | KODENSHI KOREA |
KK74ACT257 | Quad 2-Input Data Selector/Multiplexer | KODENSHI KOREA |
KK74ACT258 | Quad 2-Input Data Selector/Multiplexer | KODENSHI KOREA |
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