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參數(shù)資料
| 型號： | IDTQS3ST253Q |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 編、解碼器及復(fù)用、解復(fù)用 |
| 英文描述： | DUAL 4 LINE TO 1 LINE MULTIPLEXER AND DEMUX/DECODER, TRUE OUTPUT, PDSO20 |
| 封裝： | QSOP-20 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 74K |
| 代理商： | IDTQS3ST253Q |
1
IDTQS3ST253
HIGH-SPEED CMOS SYNCHROSWITCH DUAL 4:1 MUX/DEMUX
INDUSTRIALTEMPERATURERANGE
NOVEMBER 1999
1999 Integrated Device Technology, Inc.
DSC-5533/1
c
IDTQS3ST253
INDUSTRIAL TEMPERATURE RANGE
FUNCTIONAL BLOCK DIAGRAM
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
FEATURES:
Enhanced N channel FET with no inherent diode to Vcc
Bidirectional signal flow
Flow-through pinout
Zero propagation delay, zero ground bounce
2 banks of 4:1 Mux/Demux
Port select synchronous to the clock
Undershoot clamp diodes on all switch and control inputs
Clock enable and Asynchronous enable
“Bus-hold” terminators on the Demux side
Asynchronous SEL option
Break-before-make feature
Bus-hold eliminates floating bus lines and reduces static power
consumption
Available in QSOP package
APPLICATIONS:
Video, audio, graphics switching, muxing
QUICKSWITCH PRODUCTS
HIGH-SPEED CMOS SYNCHRO-
SWITCH DUAL 4:1 MUX/DEMUX
WITH ACTIVE TERMINATORS
DESCRIPTION:
TheQS3ST253isahigh-speedCMOS dual4:1 multiplexer/demultiplexer
with active terminators (bus-hold circuits) on the demux side. Port selection
and connection, controlled by SEL signals, can be either asynchronous or
synchronous. In the synchronous mode, the A, B, C, or D port to Y port
connection is updated on the rising edge of the input clock CLK. Once the
port-to-port connection is made, data flow can be bi-directional with a typical
250ps propagation delay through the switch. Clock Enable, overriding
Asynchronous Enable, and Asynchronous Select controls provide addi-
tional design flexibility.
The bus-hold circuits latch the last data driven on the demux side,
providing infinite hold time and glitch-free signal transitions. Synchronous
controlsandbus-holdeasetimingconstraintsinmanyhighspeeddatamux/
demux applications, such as bank interleaving.
The QS3ST253 can be used in 5V to 3.3V translation.
Y0
Y1
A0
B0
C0
A1
C1
D0
B1
D1
CLKn
CLKENn
OE0
SYNCn
OE1
SEL0
CONTROL
LOGIC
SEL1
Bank 0
Bank 1
T
=
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IDTQS3V245Q | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:QUICKSWITCH PRODUCTS 3.3V HIGH SPEED BUS SWITCH |
| IDTQS3V245SO | 制造商:Integrated Device Technology Inc 功能描述: |
| IDTQS3VH125 | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:QUICKSWITCH PRODUCTS 2.5V / 3.3V QUAD ACTIVE LOW, HIGH BANDWIDTH BUS SWITCH |
| IDTQS3VH125_13 | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:QUICKSWITCH PRODUCTS 2.5V / 3.3V QUAD ACTIVE LOW, HIGH BANDWIDTH BUS SWITCH |
| IDTQS3VH125PA | 制造商: 功能描述: 制造商:undefined 功能描述: |
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