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FST16245MTD fiches techniques PDF

Fairchild Semiconductor - 16-Bit Bus Switch

Numéro de référence FST16245MTD
Description 16-Bit Bus Switch
Fabricant Fairchild Semiconductor 
Logo Fairchild Semiconductor 





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FST16245MTD fiche technique
April 2001
Revised June 2005
FST16245
16-Bit Bus Switch
General Description
The Fairchild Switch FST16245 provides 16-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 a 16-bit switch. There are two
8-bit switches with separate output enable inputs. When
OE is LOW, the switch is ON and Port a is connected to
Port B. When OE is HIGH, the switch is OFF and a high
impedance state exists between the A and B Ports.
Features
s 4: switch connection between two ports.
s Minimal propagation delay through the switch.
s Low lCC.
s Zero bounce in flow-through mode.
s Control inputs compatible with TTL level.
Ordering Code:
Order Number Package Number
Package Description
FST16245MTD
MTD48
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Logic Diagram
Pin Descriptions
Pin Name
OEn
1An, 2An, 3An, 4An
1Bn, 2Bn, 3Bn, 4Bn
NC
Description
Output Enable Input (Active LOW)
Bus A
Bus B
No Internal Connection
Truth Table
Inputs
OEx
L
H
H HIGH Voltage Level
L LOW Voltage Level
Z High Impedance
© 2005 Fairchild Semiconductor Corporation DS500419
Outputs
A, B
A Port B Port
Z
www.fairchildsemi.com

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