參數(shù)資料
型號(hào): IDTQS34XST253Q38
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: OCTAL 1 LINE TO 4 LINE MULTIPLEXER AND DEMUX/DECODER, TRUE OUTPUT, PDSO80
封裝: 0.150 INCH, MILLIPAK, DIP-80
文件頁(yè)數(shù): 4/10頁(yè)
文件大?。?/td> 128K
代理商: IDTQS34XST253Q38
3
IDTQS34XST253
HIGH-SPEED CMOS SYNCHROSWITCH 32:8 MUX/DEMUX
INDUSTRIALTEMPERATURERANGE
2:1
MU X
SE Ln0
CLKEN n
CLK n
SY N Cn
OE n0
2:1
MU X
DQ
To Bank n0 S w itches
To Ba nk n1 S w itches
2:1
MU X
SE Ln1
2:1
MU X
DQ
OE n1
S 0
S 1
DE CO DE
LO G IC
AN D
SW ITC H
CO NT RO L
CONTROL LOGIC (1)
NOTE:
1. One of four blocks.
FUNCTION TABLE(1)
Control Inputs
MUX Ports
SYNCn
OEn0
OEn1
CLKn
CLKENn
SELn0
SELn1
Yn0
Yn1
LL
L
LL
L
An0
An1
LL
L
LH
L
Bn0
Bn1
LL
L
LL
H
Cn0
Cn1
LL
L
LH
H
Dn0
Dn1
LH
H
L
X
Hold Previous Data (2) (Switch OFF)
LL
L
H
X
Hold Previous Mux connection (3)
(Switch ON)
Hold Previous Mux connection (3)
(Switch ON)
LH
H
H
X
Hold Previous Data (4) (Switch OFF)
HL
L
X
L
An0
An1
HL
L
X
H
L
Bn0
Bn1
HL
L
X
L
H
Cn0
Cn1
HL
L
X
H
Dn0
Dn1
H
X
Hold Previous Data (Switch OFF)
NOTES:
1. H = HIGH Voltage Level
L = LOW Voltage Level
X = Don’t Care
↑ = Low-to-High Transition
2. Mux switches are turned off and the terminators (last value latches) hold the previous data state. The port connections 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 and the last value latch holds the previous data state.
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