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Pericom Semiconductor Corporation

PI3C3126 Datasheet Preview

PI3C3126 Datasheet

2-Port Bus Switch

No Preview Available !

PI3C3125
PI3C3126
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2.5V/3.3V, High Bandwidth, Hot Insertion,4-Bit,
2-Port Bus Switch with Individual Enables
Product Features
• Near zero propagation delay
• 5switches connect inputs to outputs
• High Bandwidth (>400 MHz)
• Rail-to-Rail, or 2.5V or 3.3V Switching
• 5V I/O Tolerant
• 2.5V Supply Voltage Operation
• Permits Hot Insertion
• Packages available:
– 14-pin 150 mil wide plastic SOIC (W)
– 14-pin 170 mil wide plastic TSSOP(L)
– 16-pin 150 mil wide plastic QSOP (Q)
Applications
• High Bandwidth Data Switching
• Hot Docking
Product Description
Pericom Semiconductor’s PI3C series of logic circuits are produced
using the Company’s advanced sub micron CMOS technology,
achieving industry leading speed grades.
The PI3C3125A and PI3C3126A are 2.5V or 3.3 Volt, 4-bit bus
switches designed with four individual 5bus switches with fast
indiviual enables in an industry standard 74XX125/126 pinout.
When enabled via the associated Bus Enable (BE) pin, the “A” pin
is directly connected to the “B” pin for that particular gate. The bus
switch introduces no additional propagation delay or additional
ground bounce noise.
The PI3C3125 device has active LOW enables, and the PI3C3126A
has active HIGH enables. It is very useful in switching signals that
have high bandwidth (>400 MHz).
PI3C3125 Logic Block Diagram
A0 B0
BE0
A1 B1
BE1
A2 B2
BE2
A3 B3
BE3
PI3C3126 Logic Block Diagram
A0 B0
BE0
A1 B1
BE1
A2 B2
BE2
A3 B3
BE3
1 PS8153B 12/10/99




Pericom Semiconductor Corporation

PI3C3126 Datasheet Preview

PI3C3126 Datasheet

2-Port Bus Switch

No Preview Available !

PI3C3125/PI3C3126
2.5V/3.3V, High Bandwidth,
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Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Storage Temperature............................................................ –65°C to +150°C
Ambient Temperature with Power Applied ............................. –40°C to +85°C
Supply Voltage to Ground Potential (Inputs & VCC Only) ...... –0.5Vto+4.6V
Supply Voltage to Ground Potential (Outputs & D/O Only) .... –0.5Vto+4.6V
DC Input Voltage ..................................................................... –0.5Vto+5.5V
DC Output Current ............................................................................... 120mA
Power Dissipation ................................................................................... 0.5W
Note:
Stresses greater than those listed under MAXIMUM
RATINGS may cause permanent damage to the de-
vice. This is a stress rating only and functional opera-
tion of the device at these or any other conditions
above those indicated in the operational sections of
this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods
may affect reliability.
PI3C3125 14-Pin Configuration
PI3C3126 14-Pin Configuration
BE0
A0
B0
BE1
A1
B1
GND
1 14
2 13
3 1144--PPIiNn 12
4 WL,W14 11
5 10
69
78
Vcc
BE3
A3
B3
BE2
A2
B2
BE0
A0
B0
BE1
A1
B1
GND
1 14
2 13
3
4
1144--PPIiNn
WL,1W4
12
11
5 10
69
78
Vcc
BE3
A3
B3
BE2
A2
B2
PI3C3125 16-Pin Configuration
NC
BE0
A0
B0
BE1
A1
B1
GND
1 16
2 15
3 16-PIN 14
4
5
16QQ-P16in
13
12
6 11
7 10
89
Vcc
BE3
A3
B3
BE2
A2
B2
NC
PI3C3126 16-Pin Configuration
NC
BE0
A0
B0
BE1
A1
B1
GND
1 16
2 15
3 16-PIN 14
4 1Q6-1P6in 13
5 Q 12
6 11
7 10
89
Vcc
BE3
A3
B3
BE2
A2
B2
NC
Pin Description
Pin Name
BEn
BEn
A3-A0
B3-B0
VCC
GND
Description
Switch Enable (PI3C3125)
Switch Enable (PI3C3126)
Bus A
Bus B
Power
Ground
Truth Table(1)
PI3C3125 PI3C3126
BEn BEn An
Bn VCC Function
X* X Hi-Z Hi-Z GND Disconnect
H L Hi-Z Hi-Z VCC Disconnect
L H Bn An VCC Connect
Note:
1. H = High Voltage Level, L = Low Voltage Level
HI-Z = High Impedance, X = Don’t Care
* A pull-up resistor should be provided for power-up protection.
2 PS8153B 12/10/99


Part Number PI3C3126
Description 2-Port Bus Switch
Maker Pericom Semiconductor Corporation
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PI3C3126 Datasheet PDF






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