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Pericom Semiconductor Corporation

PI3B32X245 Datasheet Preview

PI3B32X245 Datasheet

Hot Insertion 16-Bit 2-Port Bus Switch

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Product Features
• Fast Switching Speed: 4.5ns max.
• Permits Hot Insertion
• Near-zero propagation delay
• 5Ω switches connect inputs to outputs
• Direct bus connection when switches are ON
• Ultra-low quiescent power (1.0μA typical)
– Ideally suited for notebook applications
• Industrial operating temperature: –40°C to +85°C
• TTL - compatible control of input levels
• Packages (Pb-free & Green available):
– 40-pin, 150-mil wide plastic BQSOP (B)
Logic Block Diagram
A0
A7
B0
B4
BE1
A8
A15
B8
B15
BE2
Truth Table(1)
Function
Disconnect
Connect
BEn A0–15
H Hi-Z
L B0–15
Notes:
1. H= High Voltage Level
L = Low Voltage Level
Hi-Z = High Impedance
07-0011
PI3B32X245
3.3V, Hot Insertion 16-Bit, 2-Port Bus Switch
Product Description
The PI3B32X245 is a 3.3V,16-bit, 2-port bus switch. Two enable
signals (BEn) turn the switches on. The bus switch creates no
additional propagational delay or additional ground bounce noise.
Product Pin Configuration
NC
A0
A1
A2
A
3
A4
A5
A6
A7
GND
NC
A8
A9
A10
A11
A12
A
13
A14
A15
GND
1 40
2 39
3 38
4 37
5 36
6 35
7 34
8 33
9
10
40-Pin
B
32
31
11 30
12 29
13 28
14 27
15 26
16 25
17 24
18 23
19 22
20 21
VCC
BE1
B0
B1
B2
B3
B4
B5
B6
B7
GND
NC
B8
B9
B10
B11
B
12
B13
B14
B15
Product Pin Description
Pin Name
BEn
A0-A15
B0-B15
I/O
I
I/O
I/O
Description
Bus Enable Input (Active LOW)
Bus A
Bus B
1
PS8337E
11/17/06




Pericom Semiconductor Corporation

PI3B32X245 Datasheet Preview

PI3B32X245 Datasheet

Hot Insertion 16-Bit 2-Port Bus Switch

No Preview Available !

PI3B32X245
3.3V, Hot Insertion 16-Bit, 2-Port Bus Switch
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) . –0.5V to +4.6V
Supply Voltage to Ground Potential (Outputs & D/O Only) –0.5V to +4.6V
DC Input Voltage ................................................................. –0.5V to +7.0V
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.
DC Electrical Characteristics (Over the Operating Range, TA = –40°C to +85°C, VCC = 3.3V ±10%)
Parameters
Description
Test Conditions(1)
Min. Typ.(2) Max. Units
VIH Input HIGH Voltage
VIL Input LOW Voltage
Guaranteed Logic HIGH Level
Guaranteed Logic LOW Level
2.0
V
–0.5 0.8
IIH Input HIGH Current
VCC = Max., VIN = VCC
IIL Input LOW Current
VCC = Max., VIN = GND
±1 μA
IOZH High Impedence Output Current 0 A, B VCC
VIK Clamp Diode Voltage
VCC = Min., INN = –18mA
–1.2 V
RON Switch On Resistance(3)
VCC = Min., VIN = 0.0V, ION = 48mA or 64mA
VCC = Min., VIN = 2.4V, ION = 15mA
58
Ω
10 17
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at VCC = 3.3V, TA = 25°C ambient and maximum loading.
3. Measured by the voltage drop between A and B pin at indicated current through the switch. ON resistance is determined
by the lower of the voltages on the two (A,B) pins.
Capacitance (TA = 25°C, f = 1 MHz)
Parameters(1) Description
CIN
COFF
Input Capacitance
A/B Capacitance, Switch Off
CON A/B Capacitance, Switch On
Test Conditions
VIN = 0V
VIN = 0V
VIN = 0V
Notes:
1. This parameter is determined by device characterization but is not production tested.
Typ.
3.5
8.0
16.0
Units
pF
pF
pF
07-0011
2
PS8337E
11/17/06


Part Number PI3B32X245
Description Hot Insertion 16-Bit 2-Port Bus Switch
Maker Pericom Semiconductor Corporation
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Pericom Semiconductor Corporation





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