pi3b16248 Pericom Semiconductor Corporation, pi3b16248 Datasheet

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pi3b16248

Manufacturer Part Number
pi3b16248
Description
3.3v 24 48 Mux/demux Bus Switch
Manufacturer
Pericom Semiconductor Corporation
Datasheet

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Features
• Near-Zero propagation delay
• R ON is 5Ω typical at 3.3V
• Fast switching speed: 4.5ns (max.)
• V
• 500Ω pulldown to the unconnected B port
• Industrial operating temperature: –40°C to +85°C
• Make-before-break action
• Packaging (Pb-free & Green):
Block Diagram
Truth Table
Note:
1.
– 80-pin BQSOP (B)
H = High Voltage Level, L = Low Voltage Level
CC
Function
A
500Ω
500Ω
A to 1B
A to 2B
A
operating range: 3.0V to 3.6V
12
1
S
1
(1)
S2/S1
H
L
1
2
1
2
B
B
B
B
1
1
12
12
1B
2B
A
A
A
500Ω
500Ω
13
24
S
1
2
Description
Pericom Semiconductor’s PI3B16248 is a 3.3V, 24-bit to 48-bit
Mux/DeMux Bus Switch designed with a low On-Resistance
allowing inputs to be connected directly to outputs.
Mux/DeMux NanoSwitch
3.3V, 24-Bit to 48-Bit
1
2
1
2
B
B
B
B
13
13
24
24
A
PI3B16248
PS8172F
SW
S
B
02/15/06

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pi3b16248 Summary of contents

Page 1

... Truth Table Function S2/ Note High Voltage Level Low Voltage Level Description Pericom Semiconductor’s PI3B16248 is a 3.3V, 24-bit to 48-bit Mux/DeMux Bus Switch designed with a low On-Resistance allowing inputs to be connected directly to outputs 500Ω ...

Page 2

... Pin Configuration Mux/DeMux NanoSwitch Application Circuit 72 72 CPU 72:144 Bus Switch Core Logic 72 Bits (64 Bits Data, 8 Bits ECC) Memory Switching Application 2 PI3B16248 3.3V, 24-Bit to 48-Bit, ™ 128M 100 MHz DIMM 128M 100 MHz DIMM 128M 100 MHz DIMM 3 of 3B16248 128M 100 MHz ...

Page 3

... CC (1) (2) Min. Typ. 2.0 -0.5 = 24mA 5 = 12mA -0.7 Com. (1) Min. Max. = 500Ω 250 L 1 4 PI3B16248 ™ Max. Units V 0.8 ±1 µA ±1 8 Ω µA ±1 -1.2 V Units ps ns PS8172F 02/15/06 ...

Page 4

... PS8172F PI3B16248 ™ �� ���� �� � �� ���� � �� ...

Page 5

... Pb-free & Green, 80-pin BQSOP 5 3.3V, 24-Bit to 48-Bit, Mux/DeMux NanoSwitch ® minimizes power consumption. and GND before applying signals to the CC .008 NOM 0.203 Gauge Plane 5˚ .010 .019 0.50 0.254 BSC .029 0.75 .010 0.254 x 45˚ .016 0.406 5˚ X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS Package Description PS8172F PI3B16248 ™ 02/15/06 ...

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