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參數(shù)資料
| 型號(hào)： | FST162245MTDX |
| 英文描述： | BUS SWITCH|CMOS|TSSOP|48PIN|PLASTIC |
| 中文描述： | 總線開(kāi)關(guān)|的CMOS | TSSOP封裝| 48PIN |塑料 |
| 文件頁(yè)數(shù)： | 1/5頁(yè) |
| 文件大小： | 134K |
| 代理商： | FST162245MTDX |
1999 Fairchild Semiconductor Corporation
DS500056
www.fairchildsemi.com
September 1997
Revised December 1999
F
FST16209
18-Bit Bus Exchange Switch
General Description
The Fairchild Switch FST16209 provides 18-bits of high-
speed CMOS TTL-compatible bus switching or exchang-
ing. 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 operates as a 18-bit bus switch or a 9-bit bus
exchanger, which allows data exchange between the four
signal ports via the data-select terminals.
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
Truth Table
Connection Diagram
Pin Descriptions
Order Number
FST16209MEA
FST16209MTD
Package Number
MS48A
MTD48
Package Description
48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300 Wide
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
S2
S1
S0
A
1
Z
B
1
B
2
Z
Z
Z
B
1
B
2
A
2
Z
Z
Z
B
1
B
2
Z
B
2
B
1
Function
L
L
L
L
H
H
H
H
L
L
H
H
L
L
H
H
L
H
L
H
L
H
L
H
Disconnect
A
1
=
B
1
A
=
B
2
A
2
=
B
1
A
2
=
B
2
Disconnect
A
1
=
B
1
, A
2
=
B
2
A
1
=
B
2
, A
2
=
B
1
Pin Name
S2, S1, S0
A
1
, A
2
B
1
, B
2
Description
Data-select inputs
Bus A
Bus B
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