PI5C16210K Просмотр технического описания (PDF) - Pericom Semiconductor
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PI5C16210K Datasheet PDF : 3 Pages
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PI5C16210
PI5C162210 (25Ω)
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20-Bit, 2-Port Bus Switch
Product Features:
• Near-zero propagation delay
• 5Ω or 25Ω switches connect inputs to outputs
• Direct bus connection when switches are ON
• 32X384 function with flow through pinout make board
layout easier
• Ultra-low quiescent power (0.2µA typical)
– ideally suited for notebook applications
• Industrial operating temperature: –40°C to +85°C
• Packages available:
– 48-pin 150-mil wide plastic BQSOP (B)
– 48-pin 173-mil wide plastic TVSOP (K)
– 48-pin 240-mil wide plastic TSSOP (A)
– 48-pin 300-mil wide plastic SSOP (V)
Logic Block Diagram
1A1
1B1
1A10
1B10
1OE
2A1
2B1
2A10
2B10
2OE
Truth Table(1)
Inputs
Inputs/Outputs
1OE 2OE 1A,1B 2A,2B
L
L 1A = 1B 2A = 2B
Product Description:
Pericom Semiconductor’s PI5C series of BusSwitch circuits are
produced in the Company’s advanced sub-micron CMOS
technology, achieving industry leading speed.
The PI5C16210 is configured as 20-bit, 2-port bus switches designed
with a low ON resistance (5Ω) 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 (xOE) input signal.
The PI5C162210 device has a built-in 25-ohm series resistor to
reduce noise resulting from reflections, thus eliminating the need
for an external terminating resistor.
Product Pin Configuration
NC
1A1
1A2
1A3
1A4
1A5
1A6
GND
1A7
1A8
1A9
1A10
2A1
2A2
VCC
2A3
GND
2A4
2A5
2A6
2A7
2A8
2A9
2A10
1
48
2
47
3
46
4
45
5
44
6
43
7
42
8
41
9
40
10 39
11 38
48-Pin
12 A48 37
13 B48 36
K48
14 V48 35
15 34
16 33
17 32
18 31
19 30
20 29
21 28
22 27
23 26
24 25
1OE
2OE
1B1
1B2
1B3
1B4
1B5
GND
1B6
1B7
1B8
1B9
1B10
2B1
2B2
2B3
GND
2B4
2B5
2B6
2B7
2B8
2B9
2B10
L
H 1A = 1B
Z
H
L
Z
2A = 2B
H
H
Z
Z
Note:
1. H = High Voltage Level
L = Low Voltage Level
Hi-Z = High Impedance
Product Pin Description
Pin Name
Description
1OE, 2OE
Bus Enable Inputs (Active LOW)
1A1-1A10, 2A1-2A10 Bus A
1B1 - 1B10, 2B1 - 2B10 Bus B
106
PS8140 09/30/97
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