SN74LS258B データシートの表示（PDF） - ON Semiconductor
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SN74LS258B Datasheet PDF : 8 Pages
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SN74LS257B, SN74LS258B
Quad 2-Input Multiplexer
with 3-State Outputs
The LSTTL/MSI SN74LS257B and the SN74LS258B are Quad
2-Input Multiplexers with 3-state outputs. Four bits of data from two
sources can be selected using a Common Data Select input. The four
outputs present the selected data in true (non-inverted) form. The
outputs may be switched to a high impedance state with a HIGH on the
common Output Enable (EO) Input, allowing the outputs to interface
directly with bus oriented systems. It is fabricated with the Schottky
barrier diode process for high speed and is completely compatible with
all ON Semiconductor TTL families.
• Schottky Process For High Speed
• Multiplexer Expansion By Tying Outputs Together
• Non-Inverting 3-State Outputs
• Input Clamp Diodes Limit High Speed Termination Effects
• Special Circuitry Ensures Glitch Free Multiplexing
• ESD > 3500 Volts
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min Typ Max Unit
VCC
TA
Supply Voltage
Operating Ambient
Temperature Range
4.75 5.0 5.25
V
0
25
70
°C
IOH
Output Current – High
IOL
Output Current – Low
–2.6 mA
24
mA
http://onsemi.com
LOW
POWER
SCHOTTKY
16
1
PLASTIC
N SUFFIX
CASE 648
16
1
SOIC
D SUFFIX
CASE 751B
16
1
SOEIAJ
M SUFFIX
CASE 966
© Semiconductor Components Industries, LLC, 2001
October, 2001 – Rev. 7
ORDERING INFORMATION
Device
Package
Shipping
SN74LS257BN
16 Pin DIP 2000 Units/Box
SN74LS257BD
SOIC–16
38 Units/Rail
SN74LS257BDR2 SOIC–16 2500/Tape & Reel
SN74LS257BM
SOEIAJ–16
See Note 1
SN74LS257BMEL SOEIAJ–16
See Note 1
SN74LS258BN
16 Pin DIP 2000 Units/Box
SN74LS258BD
SOIC–16
38 Units/Rail
SN74LS258BDR2 SOIC–16 2500/Tape & Reel
SN74LS258BM
SOEIAJ–16
See Note 1
SN74LS258BMEL SOEIAJ–16
See Note 1
1. For ordering information on the EIAJ version of
the SOIC package, please contact your local
ON Semiconductor representative.
1
Publication Order Number:
SN74LS257B/D
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