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參數(shù)資料
| 型號： | FST34X245QSPX |
| 英文描述： | BUS SWITCH|CMOS|SSOP|80PIN|PLASTIC |
| 中文描述： | 總線開關|的CMOS | SSOP封裝| 80腳|塑料 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 361K |
| 代理商： | FST34X245QSPX |
2001 Fairchild Semiconductor Corporation
DS500594
www.fairchildsemi.com
December 2001
Revised December 2001
F
FST34X2245
32-Bit Bus Switch with 25
Series Resistors in Outputs
General Description
The Fairchild Switch FST34X2245 provides 32-bits of high
speed CMOS TTL-compatible bus switching in a standard
flow-through mode. 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 a 32-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.
The FST34X2245 has equivalent 25
series resistors to
reduce signal-reflection noise, eliminating the need for
external terminating resistors.
Features
I
25
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
I
32-bit version of FST32245
I
Packaged in 20.5mm 80-lead package
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Diagram
Order Number
FST34X2245QSP
Package Number
MQA80A
Package Description
80-Lead, QVSOP, JEDEC MO-154, 0.150" Wide
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