pi3b3245 Pericom Semiconductor Corporation, pi3b3245 Datasheet

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pi3b3245

Manufacturer Part Number
pi3b3245
Description
3.3v 8-bit Bus Switch Fct245 Pinout
Manufacturer
Pericom Semiconductor Corporation
Datasheet

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1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2
Features
• Near-Zero propagation delay
• 5-ohm switches connect inputs to outputs
• Fast Switching Speed: 4.5ns max.
• Ultra Low Quiescent Power (0.2μA typical)
• TTL-compatible control of inputs levels
• Packaging (Pb-free & Green available):
Block Diagram
Truth Table
Notes:
H = High Voltage Level
L = Low Voltage Level
Hi-Z = High Impedance
– 20-pin QSOP (Q)
– 20-pin TSSOP (L)
– 20-pin SOIC (S)
Function
Disconnect
Connect
– Ideally suited for notebook applications
06-0220
A
BE
A
7
0
BE
H
L
A
B
Hi-Z
SW
SW
0–7
0–7
A A
SW
BE
B
B
B
7
0
1
Pin Configuration
Pin Description
Description
Pericom Semiconductor’s PI3B3245 is a 3.3V 8-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 (BE) input signal.
Pin Name
BE
A0–7
B0–7
GND
V
CC
GND
NC
A
A
A
A
A
A
A
A
0
1
2
3
4
5
6
7
Description
Bus Enable Input (Active LOW)
Bus A
Bus B
Ground
Power
8-Bit, 2-Port, NanoSwitch™
1
2
3
4
5
6
7
8
9
10
3.3V, Hot Insertion
20
19
18
17
16
15
14
13
12
11
Vcc
BE
B
B
B
B3
B
B5
B
B7
0
1
2
4
6
PI3B3245
PS8162G
05/17/06

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pi3b3245 Summary of contents

Page 1

... L = Low Voltage Level Hi-Z = High Impedance 06-0220 Description Pericom Semiconductor’s PI3B3245 is a 3.3V 8-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 (BE) input signal. ...

Page 2

... A Test Conditions 3.3V, Hot Insertion 8-Bit, 2-Port, NanoSwitch™ =3.3V ±10%) CC (2) Min. Typ 2.0 –0.5 = 48mA or 64mA 15mA 10 ON Typ. Units 3.0 pF 8.0 pF 16.0 pF PI3B3245 Max. Units V 0.8 V ±1 μA ±1 μA ±1 μA –1.2 V Ω PS8162G 05/17/06 ...

Page 3

... 50pF L 1.0 4 500Ω 500Ω L 1.0 4.5 minimizes power consumption. ® 3 3.3V, Hot Insertion 8-Bit, 2-Port, NanoSwitch™ (2) Min. Typ = GND ( Units and GND before applying signals to CC PI3B3245 Max. Units 3.0 μA 750 μA PS8162G 05/17/06 ...

Page 4

... SEATING Max PLANE .002 0.05 .006 0.15 .007 .012 0.19 0.30 4 3.3V, Hot Insertion 8-Bit, 2-Port, NanoSwitch™ .008 0.20 MIN. .008 .013 0.20 0.33 0˚-6˚ .016 .035 0.41 0.89 .041 1.04 REF Detail A 0.178 .007 0.254 .010 0.41 1.27 .004 0.09 0.20 .008 0.45 .018 0.75 .030 .238 .269 6.1 6.7 PS8162G PI3B3245 05/17/06 ...

Page 5

... BSC 0.65 Ordering Information Ordering Code PI3B3245Q PI3B3245QE PI3B3245L PI3B3245LE PI3B3245S Notes: • Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ • Pb-free & Green • Adding an X suffix = Tape/Reel Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com 06-0220 5.00 .197 5 ...

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