FST3384 Fairchild Semiconductor, FST3384 Datasheet

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FST3384

Manufacturer Part Number
FST3384
Description
FST338410-Bit Low Power Bus Switch
Manufacturer
Fairchild Semiconductor
Datasheet

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© 1999 Fairchild Semiconductor Corporation
Print form created on December 13, 1999 4:03
FST3384WM
FST3384QSC
FST3384MTC
FST3384
10-Bit Low Power Bus Switch
General Description
The Fairchild Switch FST3384 provides 10 bits of high-
speed CMOS TTL-compatible bus switches. 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 two 5-bit switches with separate bus enable (OE) sig-
nals. When OE is LOW, the switch is ON and Port A is con-
nected to Port B. When OE is HIGH, the switch is OPEN
and a high-impedance state exists between the two ports.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Diagram
Pin Descriptions
Order Number
OEA, OEB
A
B
0
0
–A
–B
9
9
Pin Names
Package Number
MQA24
MTC24
M24B
Bus Switch Enable
Bus A
Bus B
Description
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
24-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150 Wide
24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
DS500046
Features
Connection Diagram
Truth Table
OEA OEB
4 switch connection between two ports
Minimal propagation delay through the switch
Ultra low power with
Zero ground bounce in flow-through mode
Control inputs compatible with TTL level
H
H
L
L
Package Description
H
H
L
L
A
A
HIGH-Z State A
HIGH-Z State HIGH-Z State
0
0
–A
–A
B
4
4
0
–B
4
0.1 A typical I
A
HIGH-Z State
September 1997
Revised December 1999
5
5
–A
–A
B
9
9
5
–B
www.fairchildsemi.com
CC
9
Disconnect
Function
Connect
Connect
Connect

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FST3384 Summary of contents

Page 1

... FST3384 10-Bit Low Power Bus Switch General Description The Fairchild Switch FST3384 provides 10 bits of high- speed CMOS TTL-compatible bus switches. 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 two 5-bit switches with separate bus enable (OE) sig- nals ...

Page 2

Absolute Maximum Ratings Supply Voltage ( Switch Voltage ( Input Voltage (V ) (Note Input Diode Current ( Output (I ) Sink Current OUT DC ...

Page 3

... L Units 4.5 5. Max Min Max 0.25 0.25 ns 5.7 6.2 ns 5.2 5.5 ns Typ Max FST3384 V FIGURE 2. AC Waveforms 3 Conditions Figure No. V OPEN Figure 1 I Figure for t Figure 1 I PZL Figure 2 V OPEN for t I PZH I 7V for t Figure 1 I PLZ Figure 2 V OPEN for t ...

Page 4

Physical Dimensions inches (millimeters) unless otherwise noted 24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 24-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150 Wide www.fairchildsemi.com Package Number M24B Package Number MQA24 4 ...

Page 5

... Technology Description The Fairchild Switch family derives from and embodies Fairchild’s proven switch technology used for several years in its 74LVX3L384 (FST3384) bus switch product. Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitry and specifications ...

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