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PI2BV3868 Datasheet

  • PI2BV3868

  • Digital Switch | 3.3V. 10-Bit 2:1 Mux/DeMux Switch w/25 Ohm ...

  • 4頁(yè)

  • ETC

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PI2BV3868
3.3V, 20:10 DDR Mux/Demux
Bus Switch w/Dual Enables
Product Features
鈥?Near-zero propagation delay
鈥?20-ohm switches connect inputs to outputs
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Fast Switching Speed : 2.5ns
Low Off Capacitance : 3pF
Pull-down on B output
Packages available:
鈥?48-pin 150 Mil (3.9mm) Wide BQSOP (B)
鈥?48-pin 240 Mil (6.1mm) Wide TSSOP (A)
Product Description
Pericom Semiconductor鈥檚 PI2B series of logic circuits are produced
using the Company鈥檚 advanced submicron CMOS technology,
achieving industry leading performance.
The PI2BV3868 is a 20:10, 3.3V Mux/Demux bus switch designed
with a low ON-resistance allowing inputs to be connected directly
to outputs. The bus switch creates no additional propagation delay
or additional ground bounce noise. The switches are turned ON by
two Low Enable Select (SEL) signals.
The PI2BV3868 switch can be used for High-Performance Memory
Module Applications, where the seperate SELECTS allow for
transferring clock, address, or data to two destinations.
Logic Block Diagram
A0
1B0
Pin Configuration
1B0
2B0
V
CC
A1
GND
1B2
2B2
V
CC
A3
GND
1B4
2B4
V
CC
A5
GND
1B6
2B6
V
CC
A7
GND
1B8
2B8
A9
SEL2
48
1
47
2
46
3
45
4
44
5
43
6
42
7
41
8
40
9
39
10
48-Pin
38
11
12
A, B
37
36
13
35
14
34
15
33
16
32
17
31
18
19
30
20
29
21
28
22
27
23
26
24
25
A0
GND
1B1
2B1
V
CC
A2
GND
1B3
2B3
V
CC
A4
GND
1B5
2B5
V
CC
A6
GND
1B7
2B7
V
CC
A8
1B9
2B9
SEL1
2B0
A9
1B9
2B9
SEL1
SEL2
Pin Description
Pin Name
SEL
Y
A
X
Y
B
X
De s cription
Bus Enable Input
Demux Inputs
Mux Inputs
Ground
Power
Truth Table
Function
A
X
to
1
B
X
; Terminate
2
B
X
A
X
to
2
B
X
; Terminate
1
B
X
nA to nB
1
and nB
2
nB
1
, nB
2
= Hi- Z
SEL
1
L
H
L
H
SEL
2
H
L
L
H
GND
V
C C
Notes:
H = High Voltage Level; L = Low Voltage Level
X
= 0 through 9;
Y
= 1 or 2
1
PS8612A
09/16/02

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