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參數資料
| 型號： | 74LVX245SJ |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Low Voltage Octal Bidirectional Transceiver |
| 中文描述： | LV/LV-A/LVX/H SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | 5.30 MM, EIAJ TYPE2, SOP-20 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 130K |
| 代理商： | 74LVX245SJ |
TL/F/11597
7
January 1996
74LVX245
Low Voltage Octal Bidirectional Transceiver
General Description
The LVX245 contains eight non-inverting bidirectional buff-
ers is intended for bus-oriented applications. The Transmit/
Receive (T/R) input determines the direction of data flow
through the bidirectional transceiver. Transmit (active-
HIGH) enables data from A ports to B ports; Receive (ac-
tive-LOW) enables data from B ports to A ports. The Output
Enable input, when HIGH, disables both A and B ports by
placing them in a HIGH-Z condition.
Features
Y
Ideal for low power/low noise 3.3V applications
Y
Available in SOIC JEDEC, SOIC EIAJ and TSSOP
packages
Y
Guaranteed simultaneous switching noise level and
dynamic threshold performance
Logic Symbols
Connection Diagram
TL/F/11597–1
TL/F/11597–5
Pin Assignment for
SOIC and TSSOP
TL/F/11597–3
Pin
Description
Names
OE
T/R
A
0
–A
7
B
0
–B
7
Output Enable Input
Transmit/Receive Input
Side A TRI-STATE
é
Inputs or TRI-STATE Outputs
Side B TRI-STATE Inputs or TRI-STATE Outputs
Truth Table
Inputs
Outputs
OE
T/R
L
L
H
L
H
X
Bus B Data to Bus A
Bus A Data to Bus B
HIGH-Z State
H
e
HIGH Voltage Level
L
e
LOW Voltage Level
X
e
Immaterial
SOIC JEDEC
SOIC EIAJ
TSSOP
Order Number
74LVX245M
74LVX245MX
74LVX245SJ
74LVX245SJX
74LVX245MTC
74LVX245MTCX
See NS Package Number
M20B
M20D
MTC20
TRI-STATE
é
is a registered trademark of National Semiconductor Corporation.
C
1996 National Semiconductor Corporation
RRD-B30M17/Printed in U. S. A.
http://www.national.com
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 74LVX245SJ_Q | 功能描述:總線收發器 Octal Bidir Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LVX245SJX | 功能描述:總線收發器 Octal Bidir Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LVX245TTR | 功能描述:總線收發器 Octal Bus Transceivr RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LVX257MTR | 功能描述:編碼器、解碼器、復用器和解復用器 Quad 2-Ch Multiplexr RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74LVX257TTR | 功能描述:編碼器、解碼器、復用器和解復用器 Quad 2-Ch Multiplexr RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
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