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參數(shù)資料
| 型號： | 74LVXC3245QSC |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 8-Bit Dual Supply Configurable Voltage Interface Transceiver with 3-STATE Outputs |
| 中文描述： | LV/LV-A/LVX/H SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO24 |
| 封裝： | 0.150 INCH, MO-137, QSOP-24 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 81K |
| 代理商： | 74LVXC3245QSC |
2003 Fairchild Semiconductor Corporation
DS012008
www.fairchildsemi.com
February 1994
Revised October 2003
7
74LVXC3245
8-Bit Dual Supply Configurable Voltage Interface
Transceiver with 3-STATE Outputs
General Description
The LVXC3245 is a 24-pin dual-supply, 8-bit configurable
voltage interface transceiver suited for PCMCIA and other
real time configurable I/O applications. The V
CCA
pin
accepts a 3V supply level. The A Port is a dedicated 3V
port. The V
CCB
pin accepts a 3V-to-5V supply level. The B
Port is configured to track the V
CCB
supply level respec-
tively. A 5V level on the V
CC
pin will configure the I/O pins
at a 5V level and a 3V V
CC
will configure the I/O pins at a
3V level. The A Port should interface with a 3V host system
and the B Port to the card slots. This device will allow the
V
CCB
voltage source pin and I/O pins on the B Port to float
when OE is HIGH. This feature is necessary to buffer data
to and from a PCMCIA socket that permits PCMCIA cards
to be inserted and removed during normal operation.
Features
I
Bidirectional interface between 3V and 3V-to-5V buses
I
Control inputs compatible with TTL level
I
Outputs source/sink up to 24 mA
I
Guaranteed simultaneous switching noise level and
dynamic threshold performance
I
Implements patented EMI reduction circuitry
I
Flexible V
CCB
operating range
I
Allows B Port and V
CCB
to float simultaneously when OE
is HIGH
I
Functionally compatible with the 74 series 245
Ordering Code:
Devices also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Symbol
Pin Descriptions
Connection Diagram
Order Number
74LVXC3245WM
74LVXC3245QSC
74LVXC3245MTC
Package Number
M24B
MQA24
MTC24
Package Description
224-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
24-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150" Wide
24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Pin Names
Description
OE
Output Enable Input
T/R
Transmit/Receive Input
A
0
–
A
7
B
0
–
B
7
Side A Inputs or 3-STATE Outputs
Side B Inputs or 3-STATE Outputs
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74LVXC3245QSC | 制造商:Fairchild Semiconductor Corporation 功能描述:LOGIC IC 制造商:Fairchild Semiconductor Corporation 功能描述:IC, 8BIT VOLT INTERFACE TXRX, QSOP-24 |
| 74LVXC3245QSCX | 功能描述:總線收發(fā)器 8-Bit Dual Sup 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(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 |
| 74LVXC3245QSCX-CUT TAPE | 制造商:FAIRCHILD 功能描述:74LVXC Series 3.6 V 8-Bit Dual Supply Configurable Voltage Interface Transceiver |
| 74LVXC3245TTR | 功能描述:總線收發(fā)器 Octal Bus Tansceiver 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 |
| 74LVXC3245WM | 功能描述:總線收發(fā)器 8-Bit Dual Sup 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(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 |
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