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參數(shù)資料
| 型號： | 74ACT353 |
| 廠商： | Motorola, Inc. |
| 英文描述： | 18-Bit LVTTL To GTL/GTL+ Bus Transceiver 64-TSSOP -40 to 85 |
| 中文描述： | 雙路4輸入多路復(fù)用器與三態(tài)輸出 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 179K |
| 代理商： | 74ACT353 |
MC74AC353 MC74ACT353
5-2
FACT DATA
FUNCTIONAL DESCRIPTION
The MC74AC353/74ACT353 contains two identical
4-input multiplexers with 3-state outputs. They select two bits
from four sources selected by common Select inputs (S0, S1).
The 4-input multiplexers have individual Output Enable (OEa,
OEb) inputs which, when HIGH, force the outputs to a high
impedance (High Z) state. The logic equations for the outputs
are shown below:
Za = OEa
(I0a
S1
S0+I1a
S1
S0+
I2a
S1
S0+I3a
S1
S0)
Zb = OEb
(I0b
S1
S0+I1b
S1
S0+
I2b
S1
S0+I3b
S1
S0)
If the outputs of 3-state devices are tied together, all but one
device must be in the high impedance state to avoid high
currents that would exceed the maximum ratings. Designers
should ensure that Output Enable signals to 3-state devices
whose outputs are tied together are designed so that there is
no overlap.
OEb
I3b
I2b
I1b
I0b
S0
S1
I3a
I2a
Zb
Za
I1a
I0a
OEa
Please note that this diagram is provided only for the understanding of logic
operations and should not be used to estimate propagation delays.
LOGIC DIAGRAM
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74ACT521 | 8-BIT IDENTITY COMPARATOR |
| 74ACT521 | 8-Bit Identity Comparator |
| 74ACT521PC | 8-Bit Identity Comparator |
| 74ACT521SC | 8-Bit Identity Comparator |
| 74ACT521SJ | 2-Bit LVTTL-to-GTLP Adj-Edge-Rate Bus Xcvr w/Split LVTTL Port, Feedback Path, & Selectable Polarity 16-SOIC -40 to 85 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74ACT367SC | 制造商:Texas Instruments 功能描述:ACT SERIES, 6-BIT DRIVER, TRUE OUTPUT, PDSO16 |
| 74ACT373B | 功能描述:閉鎖 Octal D-Type Latch RoHS:否 制造商:Micrel 電路數(shù)量:1 邏輯類型:CMOS 邏輯系列:TTL 極性:Non-Inverting 輸出線路數(shù)量:9 高電平輸出電流: 低電平輸出電流: 傳播延遲時間: 電源電壓-最大:12 V 電源電壓-最小:5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-16 封裝:Reel |
| 74ACT373C | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| 74ACT373IC | 制造商:National Semiconductor 功能描述:74ACT373 NSC'91 S4F2A |
| 74ACT373M | 功能描述:閉鎖 Octal D-Type Latch RoHS:否 制造商:Micrel 電路數(shù)量:1 邏輯類型:CMOS 邏輯系列:TTL 極性:Non-Inverting 輸出線路數(shù)量:9 高電平輸出電流: 低電平輸出電流: 傳播延遲時間: 電源電壓-最大:12 V 電源電壓-最小:5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-16 封裝:Reel |
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