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參數(shù)資料
| 型號： | FST3345QSC |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 8-Bit Bus Switch |
| 中文描述： | CBT/FST/QS/5C/B SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | 0.150 INCH, MO-137, QSOP-20 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 119K |
| 代理商： | FST3345QSC |
1999 Fairchild Semiconductor Corporation
DS500019
www.fairchildsemi.com
June 1997
Revised December 1999
F
FST3345
8-Bit Bus Switch
General Description
The Fairchild Switch FST3345 provides 8-bits of high-
speed CMOS TTL-compatible bus switching. The low on
resistance of the switch allows inputs to be connected to
outputs without adding propagation delay or generating
additional ground bounce noise.
The device is organized as an 8-bit switch bank with dual
output enable inputs (OE and OE). When OE is LOW or
OE is HIGH, the switch is ON and Port A is connected to
Port B. When OE is HIGH and OE is LOW, the switch is
OPEN and a high-impedance state exists between the two
ports.
Features
I
4
switch connection between two ports.
I
Minimal propagation delay through the switch.
I
Low l
CC
.
I
Zero bounce in flow-through mode.
I
Control inputs compatible with TTL level.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Diagram
Pin Descriptions
Connection Diagram
Truth Table
Order Number
FST3345WM
FST3345QSC
FST3345MTC
Package Number
M20B
MQA20
MTC20
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
20-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150 Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Pin Name
Description
OE, OE
A
B
Bus Switch Enables
Bus A
Bus B
Inputs
Function
OE
X
H
L
OE
L
X
H
Connect
Connect
Disconnect
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| FST3345 | 8-Bit Bus Switch(8位總線開關(guān)) |
| FST3345MTC | 8-Bit Bus Switch |
| FST3345WM | 8-Bit Bus Switch |
| FST3383QSC | 10-Bit Low Power Bus-Exchange Switch |
| FST3383MTC | 10-Bit Low Power Bus-Exchange Switch |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FST3345QSCX | 功能描述:數(shù)字總線開關(guān) IC 8-Bit Bus Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:24 傳播延遲時間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel |
| FST3345WM | 功能描述:數(shù)字總線開關(guān) IC DISC BY MFG 7/03 RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:24 傳播延遲時間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel |
| FST3345WMX | 功能描述:數(shù)字總線開關(guān) IC 8-Bit Bus Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:24 傳播延遲時間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel |
| FST3383 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:10-Bit Low Power Bus-Exchange Switch |
| FST3383MTC | 功能描述:數(shù)字總線開關(guān) IC 10-Bit Bus Ex Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:24 傳播延遲時間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel |
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