參數(shù)資料
型號: IDTQS34XS257Q3
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 通用總線功能
英文描述: QUICKSWITCH㈢ PRODUCTS HIGH-SPEED CMOS SYNCHROSWITCH 32:16 MUX/DEMUX
中文描述: CBT/FST/QS/5C/B SERIES, QUAD 8 LINE TO 4 LINE MULTIPLEXER AND DEMUX/DECODER, TRUE OUTPUT, PDSO80
封裝: 0.150 INCH, MILLIPAK, DIP-80
文件頁數(shù): 3/9頁
文件大?。?/td> 84K
代理商: IDTQS34XS257Q3
3
IDTQS34XS257
HIGH-SPEED CMOS SYNCHROSWITCH 32:16 MUX/DEMUX
INDUSTRIAL TEMPERATURE RANGE
1
2:1
MUX
0
SELn
CLKENn
CLKn
SYNCn
OEn
0
2:1
MUX
1
D
Q
To Port B Switches
To Port A Switches
CONT ROL LOGIC
(1)
NOTE:
1. One of four blocks.
FUNCTION TABLE
(1)
Control Inputs
SYNC
OEn
Port Status
CLKn
CLKENn
SELn
Yn
0
Yn
1
Yn
2
Yn
3
Function
L
L
L
L
An
0
An
1
An
2
An
3
Select Port A
L
L
L
H
Bn
0
Bn
1
Bn
2
Bn
3
Select Port B
Switch OFF
(2)
Hold Previous Mux connection
(3)
(Switch ON)
Switch OFF
(4)
L
H
L
X
No change in Mux connection
L
L
H
X
No change in Mux connection
L
H
H
X
No change in Mux connection
H
L
X
X
L
An
0
An
1
An
2
An
3
Select Port A
H
L
X
X
H
Bn
0
Bn
1
Bn
2
Bn
3
Select Port B
H
H
X
X
X
No change in Mux connection
Hold Previous Data (Switch OFF)
NOTES:
1. H = HIGH Voltage Level
L = LOW Voltage Level
X = Dont Care
= LOW-to-HIGH Transition
2. Mux switches are turned off. The port connection can be changed by the SEL input.
3. The contents of the “Mux select register” are unchanged and the previous Mux connection is unchanged. The output (Mux port) data state will depend on the present
data state of the input (Demux port).
4. The contents of the “Mux select register” are unchanged.
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