FST16245 Fairchild Semiconductor, FST16245 Datasheet

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FST16245

Manufacturer Part Number
FST16245
Description
Octal Bus Switch
Manufacturer
Fairchild Semiconductor
Datasheet
1.FST16245.pdf (4 pages)

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Meier Automation Equipment Co., Limited Meier Automation Equipment Co., Limited
Part Number:
FST16245
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FAIRCNILD
Quantity:
20 000
© 2001 Fairchild Semiconductor Corporation
FST16245MTD
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.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Pin Descriptions
Order Number
1A
1B
n
n
, 2A
, 2B
Pin Name
OE
n
n
NC
, 3A
, 3B
n
n
n
, 4A
, 4B
Package Number
n
n
MTD48
Output Enable Input (Active LOW)
No Internal Connection
Description
Bus A
Bus B
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
DS500419
Features
I 4 Ω switch connection between two ports.
I Minimal propagation delay through the switch.
I Low l
I Zero bounce in flow-through mode.
I Control inputs compatible with TTL level.
Logic Diagram
Truth Table
H = HIGH Voltage Level
L = LOW Voltage Level
Z = High Impedance
Package Description
CC
.
Inputs
OE
H
L
x
April 2001
Revised April 2001
A Port = B Port
www.fairchildsemi.com
Outputs
A, B
Z

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FST16245 Summary of contents

Page 1

... 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 ...

Page 2

Absolute Maximum Ratings Supply Voltage ( Switch Voltage (V ) (Note Input Voltage (V ) (Note 3) IN < Input Diode Current ( Output Current (I ) ...

Page 3

AC Electrical Characteristics Symbol Parameter Propagation Delay Bus-to-Bus PHL PLH (Note Output Enable Time PZH PZL Output Disable Time PHZ PLZ Note 7: This parameter is guaranteed by design but ...

Page 4

Physical Dimensions inches (millimeters) unless otherwise noted 48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide Technology Description The Fairchild Switch family derives from and embodies Fairchild’s proven switch technology used for several years in its 74LVX3L384(FST3384) bus ...

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