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參數(shù)資料
| 型號： | 74ALVCH245WM |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 3-Line To 8-Line Decoders/Demultiplexers 16-SOIC -40 to 85 |
| 中文描述： | ALVC/VCX/A SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | 0.300 INCH, MS-013, SOIC-20 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 82K |
| 代理商： | 74ALVCH245WM |
2002 Fairchild Semiconductor Corporation
DS500648
www.fairchildsemi.com
September 2001
Revised February 2002
7
74ALVCH245
Low Voltage Bidirectional Transceiver with Bushold
General Description
The ALVCH245 contains eight non-inverting bidirectional
buffers with 3-STATE outputs and is intended for bus ori-
ented applications. The T/R input determines the direction
of data flow. The OE input disables both the A and B Ports
by placing them in a high impedance state. The ALVCH245
data inputs include active bushold circuitry, eliminating the
need for external pull-up resistors to hold unused or float-
ing data inputs at a valid logic level.
The 74ALVCH245 is designed for low voltage (1.65V to
3.6V) V
CC
applications.
The 74ALVCH245 is fabricated with an advanced CMOS
technology to achieve high-speed operation while main-
taining low CMOS power dissipation.
Features
I
1.65V to 3.6V V
CC
supply operation
I
Bushold on data inputs eliminates the need for external
pull-up/pull-down resistors
I
t
PD
3.6 ns max for 3.0V to 3.6V V
CC
4.2 ns max for 2.3V to 2.7V V
CC
6 ns max for 1.65V to 1.95V V
CC
I
Uses patented Quiet Series noise/EMI reduction
circuitry
I
Latchup conforms to JEDEC JED78
I
ESD performance:
Human body model
>
2000V
Machine model
>
200V
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
Pin Descriptions
Quiet Series
is a trademark of Fairchild Semiconductor Corporation.
Order Number
74ALVCH245WM
74ALVCH245MTC
Package Number
M20B
MTC20
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Pin Names
Description
OE
Output Enable Input (Active LOW)
T/R
Transmit/Receive Input
A
0
–
A
7
Side A Bushold Inputs or 3-STATE Outputs
B
0
–
B
7
Side B Bushold Inputs or 3-STATE Outputs
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74ALVCR162601 | 3-Line To 8-Line Decoders/Demultiplexers 16-SO -40 to 85 |
| 74ALVCR162601TX | 18-Bit Bus Transceiver |
| 74ALVCR162601T | 3-Line To 8-Line Decoders/Demultiplexers 16-SO -40 to 85 |
| 74C00 | Quad 2-Input NAND Gate . Quad 2-Input NOR Gate . Hex Inverter |
| 74C86 | Quad 2-Input EXCLUSIVE-OR Gate |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74ALVCH245WM_Q | 功能描述:總線收發(fā)器 Bidirectional Transc RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)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 |
| 74ALVCH245WMX | 功能描述:總線收發(fā)器 Low Volt Transceiver Bidirectional RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)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 |
| 74ALVCH32244BF | 功能描述:緩沖器和線路驅(qū)動器 RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| 74ALVCH32244BF8 | 功能描述:緩沖器和線路驅(qū)動器 RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| 74ALVCH32244BFG | 功能描述:緩沖器和線路驅(qū)動器 RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
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