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PDF PI5C16862C Data sheet ( Hoja de datos )
| Número de pieza | PI5C16862C | |
| Descripción | 2-Port Bus Switch | |
| Fabricantes | Pericom Semiconductor | |
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PI5C16862C
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20-Bit, 2-Port Bus Switch
with Undershoot Protection
Features
• Near-Zero propagation delay
• 5-ohm switches connect inputs to outputs
• Undershoot Protection up to –1V
• Direct bus connection when switches are ON
• 32X384 function with flow through pinout make board
layout easier
• Ultra-low quiescent power (120µA typical)
— ideally suited for notebook applications
• Industrial operating temperature: –40°C to +85°C
• Packaging (Pb-free & Green avaliable):
— 48-pin 240-mil wide plastic TSSOP
— 48-pin 150-mil wide plastic BQSOP
Description
Pericom Semiconductor’s PI5C16862C is configured as a 20-bit, 2-
port bus switch designed with a low On-Resistance (5-ohm) 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 (BEx) input
signal.
The PI5C16862C can withstand undershoot of up to –1V.
Block Diagram
Pin Configuration
A0
A4
BE1
A15
A19
BE4
B0
B4
B15
B19
BE2
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
GND
BE4
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
GND
1 48
2 47
3 46
4 45
5 44
6 43
7 42
8 41
9 40
10 39
11 48-Pin 38
12 A, B 37
13 36
14 35
15 34
16 33
17 32
18 31
19 30
20 29
21 28
22 27
23 26
24 25
VCC
BE1
B0
B1
B2
B3
B4
B5
B6
B7
B8
B9
VCC
BE3
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
Truth Table(1)
Function
Disconnect
Connect
Note:
1. H = High Voltage Level
L = Low Voltage Level
Hi-Z = High Impedance
BEx
H
L
A19-A0
Hi-Z
B19-B0
Pin Description
Pin Name
BEx
A19-A0
B19-B0
Description
Bus Enable Inputs (Active LOW)
Bus A
Bus B
1
PS8391C
09/15/04
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet PI5C16862C.PDF ] | |
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