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74LVX3L383QSC Datasheet

  • 74LVX3L383QSC

  • 10-Bit Low Power Bus-Exchange Switch

  • 6頁(yè)

  • NSC

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74LVX3L383 10-Bit Low Power Bus-Exchange Switch
December 1996
74LVX3L383
10-Bit Low Power Bus-Exchange Switch
General Description
The LVX3L383 provides two sets 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 operates as a 10-bit bus switch or
a 5-bit bus exchanger The bus exchange (BX) signal pro-
vides nibble swapping of the AB and CD pairs of signals
This exchange configuration allows byte swapping of buses
in systems It can also be used as a quad 2-to-1 multiplexer
and to create low delay barrel shifters The bus enable (BE)
signal turns the switches on
Features
Y
Y
Y
Y
Y
Y
5X switch connection between two ports
Zero propagation delay
Ultra low power with 0 2
mA
typical I
CC
Zero ground bounce in flow-through mode
Control inputs compatible with TTL level
Available in SOIC TSSOP and QSOP (SSOP 0 15
body width) packages
Logic Diagram
Connection Diagram
Pin Assignment for
SOIC QSOP and TSSOP
TL F 11652 鈥?2
Pin Names
BE
BX
TL F 11652 鈥?1
Description
Bus Switch Enable
Bus Exchange
Buses A B
Buses C D
A
0
鈥揂
4
B
0
鈥揃
4
C
0
鈥揅
4
D
0
鈥揇
4
Truth Table
BE
H
L
L
BX
X
L
H
A
0
鈥?A
4
High-Z State
C
0
鈥揅
4
D
0
鈥?D
4
B
0
鈥?B
4
High-Z State
D
0
鈥?D
4
C
0
鈥揅
4
Function
Disconnect
Connect
Exchange
SOIC JEDEC
Order Number
See NS
Package Number
74LVX3L383WM
74LVX3L383WMX
M24B
QSOP
74LVX3L383QSC
74LVX3L383QSCX
MQA24
TSSOP
74LVX3L383MTC
74LVX3L383MTCX
MTC24
TRI-STATE is a registered trademark of National Semiconductor Corporation
C
1996 National Semiconductor Corporation
TL F 11652
RRD-B30M17 Printed in U S A
http
www national com

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