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參數資料
| 型號： | FST3245MTC |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal Bus Switch |
| 中文描述： | CBT/FST/QS/5C/B SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | 4.40 MM, LEAD FREE, MO-153AC, TSSOP-20 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 110K |
| 代理商： | FST3245MTC |
1999 Fairchild Semiconductor Corporation
DS500020
www.fairchildsemi.com
June 1997
Revised December 1999
F
FST3245
Octal Bus Switch
General Description
The Fairchild Switch FST3245 provides 8-bits of high-
speed CMOS TTL-compatible bus switching in a standard
’245 pin-out. The low on resistance of the switch allows
inputs to be connected to outputs without adding propaga-
tion delay or generating additional ground bounce noise.
The device is organized as an 8-bit switch. When OE is
LOW, the switch is ON and Port A is connected to Port B.
When OE is HIGH, the switch is OPEN and a high-imped-
ance 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
FST3245WM
FST3245QSC
FST3245MTC
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
A
B
Bus Switch Enable
Bus A
Bus B
Input OE
Function
L
Connect
H
Disconnect
相關PDF資料 |
PDF描述 |
|---|---|
| FST3245WM | Octal Bus Switch |
| FST3253QSC | Dual 4:1 Multiplexer/Demultiplexer Bus Switch |
| FST3253 | Dual 4:1 Multiplexer/Demultiplexer Bus Switch(兩組4：1多路復用器/多路分解器總線開關) |
| FST3253M | Dual 4:1 Multiplexer/Demultiplexer Bus Switch |
| FST3253MTC | Dual 4:1 Multiplexer/Demultiplexer Bus Switch |
相關代理商/技術參數 |
參數描述 |
|---|---|
| FST3245MTCX | 功能描述:數字總線開關 IC 8-Bit Bus Switch RoHS:否 制造商:Texas Instruments 開關數量: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 |
| FST3245MTCX_NL | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:8-Bit Bus Switch |
| FST3245QSC | 功能描述:數字總線開關 IC 8-Bit Bus Switch RoHS:否 制造商:Texas Instruments 開關數量: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 |
| FST3245QSC_Q | 功能描述:數字總線開關 IC 8-Bit Bus Switch RoHS:否 制造商:Texas Instruments 開關數量: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 |
| FST3245QSCX | 功能描述:數字總線開關 IC 8-Bit Bus Switch RoHS:否 制造商:Texas Instruments 開關數量: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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