PI3B16209 データシートの表示（PDF） - Pericom Semiconductor Corporation
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PI3B16209 Datasheet PDF : 4 Pages
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PI3B16209
3.3V, 18-Bit Bus Exchange NanoSwitchTM
Product Features
• Near-zero propogation delay
• 5-ohm switches connect inputs to outputs
• Fast switching speed: 5ns (max.)
• Operating Range: 3.0V to 3.6V
• Packaging (Pb-free & Green Available):
– 48-pin, 240-mil wide thin plastic TSSOP (A)
Description
The PI3B16209 is a 3.3 volt, 18-bit bus exchange switch
designed with a low On-resistance (5-ohm) allowing inputs to
be connected directly to outputs. The device operates as either
an 18-bit bus switch or as a 9-bit exchanger, providing data
exchange between four signal ports via the data select pins (S0-
S2).
Logic Block Diagram
ONE OF NINE CHANNELS
1A1
SW
1B1
SW
SW
1A2
SW
1B2
FLOW CONTROL
S0
SW
S1
S2
A
B
Sx
Truth Table(1)
Function
S2 S1 S0 A1 A2
Disconnect
L L L ZZ
A1 to B1
L L H B1 Z
A1 to B2
L H L B2 Z
A2 to B1
L H H Z B1
A2 to B2
H L L Z B2
Disconnect
H L H ZZ
A1 to B1, A2 to B2 H H L B1 B2
A1 to B2, A2 to B1 H H H B2 B1
Pin Configuration
S0 1
1A1 2
1A2 3
GND 4
2A1 5
2A2 6
VCC 7
3A1 8
3A2 9
GND 10
4A1 11
4A2 12
5A1 13
5A2 14
GND 15
6A1 16
6A2 17
7A1 18
7A2 19
GND 20
8A1 21
8A2 22
9A1 23
9A2 24
Pin Description
Pin Name
S0-S2
xAx
xBx
48 S1
47 S2
46 1B1
45 1B2
44 2B1
43 2B2
42 GND
41 3B1
40 3B2
39 GND
38 4B1
37 4B2
36 5B1
35 5B2
34 GND
33 6B1
32 6B2
31 7B1
30 7B2
29 GND
28 8B1
27 8B2
26 9B1
25 9B2
I/O
Description
I
Select Inputs
I/O
Bus A
I/O
Bus B
06-0221
1
PS8192J
02/13/07
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