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參數資料
| 型號： | SN74LS257N |
| 廠商： | Motorola, Inc. |
| 英文描述： | QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS |
| 中文描述： | 四2輸入多路復用器與三態輸出 |
| 文件頁數： | 1/6頁 |
| 文件大?。?/td> | 182K |
| 代理商： | SN74LS257N |
5-427
FAST AND LS TTL DATA
QUAD 2-INPUT MULTIPLEXER
WITH 3-STATE OUTPUTS
The LSTTL/MSI SN54/74LS257B and the SN54/74LS258B 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) In-
put, allowing the outputs to interface directly with bus oriented systems. It is
fabricated with the Schottky barrier diode process for high speed and is com-
pletely compatible with all Motorola 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
CONNECTION DIAGRAM DIP
(TOP VIEW)
SN54/74LS257B
SN54/74LS258B
NOTE:
The Flatpak version
has the same pinouts
(Connection Diagram) as
the Dual In-Line Package.
SN54/74LS257B
SN54/74LS258B
QUAD 2-INPUT MULTIPLEXER
WITH 3-STATE OUTPUTS
LOW POWER SCHOTTKY
ORDERING INFORMATION
SN54LSXXXJ
SN74LSXXXN
SN74LSXXXD
Ceramic
Plastic
SOIC
J SUFFIX
CERAMIC
CASE 620-09
N SUFFIX
PLASTIC
CASE 648-08
16
1
16
1
16
1
D SUFFIX
SOIC
CASE 751B-03
相關PDF資料 |
PDF描述 |
|---|---|
| SN74LS258BD | LOW POWER SCHOTTKY |
| SN74LS258BN | 3V PA/Driver, +22dBm PSAT, 0.5-6GHz, SOT363(SC-70) |
| SN74LS259 | LOW POWER SCHOTTKY |
| SN74LS259D | LOW POWER SCHOTTKY |
| SN74LS259N | LOW POWER SCHOTTKY |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SN74LS258AJ | 制造商:Texas Instruments 功能描述: |
| SN74LS258AJD | 制造商:Motorola Inc 功能描述: |
| SN74LS258AN | 制造商:Motorola Inc 功能描述: 制造商:Motorola Inc 功能描述:LS SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, PDIP16 |
| SN74LS258AND | 制造商:Motorola Inc 功能描述: |
| SN74LS258ANDS | 制造商:Motorola Inc 功能描述: |
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