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FSTU3384WM 데이터시트 PDF




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부품번호 FSTU3384WM 기능
기능 10-Bit Bus Switch with -2V Undershoot Hardened Circuit (UHC) Protection
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FSTU3384WM 데이터시트, 핀배열, 회로
May 1999
Revised December 1999
FSTU3384
10-Bit Bus Switch with
2V Undershoot Hardened Circuit (UHC) Protection
General Description
The Fairchild Switch FSTU3384 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 generating addi-
tional ground bounce noise. Both the A Ports and the B
Ports are “undershoot hardened” with UHCprotection to
support an extended input range to 2.0V below ground.
Fairchild’s integrated Undershoot Hardened Circuit, UHC
senses undershoot at the I/Os, and responds by preventing
voltage differentials from developing and turning on the
switch. The device is organized as two 5-bit switches with
separate bus enable (OE) signals. 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-impedance state
exists between the two ports.
Features
s 4switch connection between two ports
s Undershoot Hardened to -2.0V.
s Minimal propagation delay through the switch
s Low lCC.
s Zero ground bounce in flow-through mode
s Control inputs compatible with TTL level
s See Applications Note AN-5008 for details.
Ordering Code:
Order Number Package Number
Package Description
FSTU3384WM
M24B
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MO-153 4.4mm Wide
FSTU3384QSC
MQA24
24-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150Wide
FSTU3384MTC
MTC24
24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter Xto the ordering code.
Logic Diagram
Connection Diagram
Pin Descriptions
Pin Names
OEA, OEB
A0A9
B0B9
Description
Bus Switch Enable
Bus A
Bus B
UHCis a trademark of Fairchild Semiconductor Corporation.
© 1999 Fairchild Semiconductor Corporation DS500195
Truth Table
OEA
L
L
H
H
OEB
B0–B4
L A0A4
H A0A4
L HIGH-Z State
H HIGH-Z State
B5–B9
A5A9
HIGH-Z State
A5A9
HIGH-Z State
Function
Connect
Connect
Connect
Disconnect
www.fairchildsemi.com




FSTU3384WM pdf, 반도체, 판매, 대치품
Physical Dimensions inches (millimeters) unless otherwise noted
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MO-153 4.4mm Wide
Package Number M24B
24-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150Wide
Package Number MQA24
www.fairchildsemi.com
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관련 데이터시트

부품번호상세설명 및 기능제조사
FSTU3384WM

10-Bit Bus Switch with -2V Undershoot Hardened Circuit (UHC) Protection

Fairchild Semiconductor
Fairchild Semiconductor

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