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PDF PI3B32X384 Data sheet ( Hoja de datos )
| Número de pieza | PI3B32X384 | |
| Descripción | 20-Bit 2-Port NanoSwitch | |
| Fabricantes | Pericom Semiconductor Corporation | |
| Logotipo |  |
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Features
• Near-Zero propagation delay
• 5-ohm switches connect inputs to outputs
• Direct bus connection when switches are ON
• Ultra-low quiescent power (0.1µA typical)
– Ideally suited for notebook applications
• Fast Switching Speed: 4.5ns max.
• TTL-compatible control of input levels
• Packaging (pb-free & Green available):
– 48-pin 150-mil wide plastic BQSOP (B)
PI3B32X384
3.3V, 20-Bit, 2-Port NanoSwitch™
Description
Pericom Semiconductor’s PI3B32X384 is a 3.3V, 20-bit bus
switch designed with a low On-Resistance allowing inputs to be
connected directly to outputs. The bus switch creates no additional
propagational delay or additional ground bounce noise.The switches
are turned ON by the Bus Enable (BE) input signal. Four bus enable
signals are provided, one for each of the upper and lower five bits
of the two 10-bit buses.
Block Diagram
Pin Configuration
A0
A4
A15
A19
BEA
BEB
BEC
BED
SW B0 A5
SW B4 A9
SW B15 A10
SW B19 A14
SW B5
SW
SW
SW
B9
B10 SW
A
B14
B
OE
Truth Table(1)
Function BEA
BEB B4-B0 B19-B15
BEA
B0
A0
A1
B1
B2
A2
A3
B3
B4
A4
GND
BEC
B5
A5
A6
B6
B7
A7
A8
B8
B9
A9
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48 VCC
47 B19
46 A19
45 A18
44 B18
43 B17
42 A17
41 A16
40 B16
39 B15
38 A15
37 BEB
36 VCC
35 B14
34 A14
33 A13
32 B13
31 B12
30 A12
29 A11
28 B11
27 B10
26 A10
25 BED
Disconnect
H
H Hi-Z Hi-Z
Connect
Connect
Connect
Function
Disconnect
Connect
Connect
Connect
L
H
L
BEC
H
L
H
L
H
L
L
BED
H
H
L
L
A4-A0
Hi-Z
A4-A0
B9-B5
Hi-Z
A9-A5
Hi-Z
A9-A5
Hi-Z
A19-A15
A19-A15
B14-B10
Hi-Z
Hi-Z
A14-A10
A14-A10
Pin Description
Pin Name
BEx
Description
Bus Enable Inputs (Active LOW)
A19-A0
Bus A
B19-B0
GND
Vcc
Bus B
Ground
Power
Note: 1. H = High Voltage Level L = Low Voltage level
Hi-Z = High Impedance
06-0312
1
PS8336F
12/04/06
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet PI3B32X384.PDF ] | |
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