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Pericom Semiconductor Corporation

PI3B3251 Datasheet Preview

PI3B3251 Datasheet

8:1 Mux/DeMux NanoSwitch

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PI3B3251
3.3V, 8:1 Mux/DeMux NanoSwitch
Features
• Near-Zero propagation delay
• 5Ω switches connect inputs to outputs
• Ultra Low Quiescent Power (0.1μA typical)
– Ideally suited for notebook applications
• Pin compatible with 74 series 251 logic devices
• Packaging (Pb-free & Green available):
– 16-pin 150-mil wide plastic QSOP (Q)
– 16-pin 173-mil wide plastic TSSOP (L)
Description
Pericom Semiconductor’s PI3B3251 is a 3.3VDual 8:1 Multiplexer/
Demultiplexer with three-state outputs that is pinout compatible
with the PI74FCT251T, 74F251, and 74ALS/AS/LS 251. Inputs
can be connected to outputs with low On-Resistance (5Ω) with no
additional ground bounce noise or propagation delay.
Block Diagram
Pin Conguration
I0 I1 I2 I3 I4 I5 I6 I7
I3 1
16 VCC
SW
E SW
SW
S0
SW
I2 2
15 I4
SW
I1 3
14 I5
I0 4
13 I6
S1 SW
Y5
12 I7
IY
SW
S2
NC 6
11 S0
SW
SW E
E7
10 S1
GND 8
9 S2
Y
Truth Table(1)
Select
EY
S2 S1 S0
H X X X Hi-Z
L L L L I0
L L L H I1
L L H L I2
L L H H I3
L H L L I4
L H L H I5
L H H L I6
L H H H I7
Function
Disable
S2-0 = 0
S2-0 = 1
S2-0 = 2
S2-0 = 3
S2-0 = 4
S2-0 = 5
S2-0 = 6
S2-0 = 7
Note:
1. H = High Voltage Level, L = Low Voltage Level
09-0037
Pin Description
Pin Name
I07
S02
E
Data Inputs
Select Inputs
Enable
Description
Y Data Outputs
GND
Ground
VCC Power
NC No Connect
1 PS8150G
03/02/09




Pericom Semiconductor Corporation

PI3B3251 Datasheet Preview

PI3B3251 Datasheet

8:1 Mux/DeMux NanoSwitch

No Preview Available !

PI3B3251
3.3V, 8:1 Mux/DeMux NanoSwitch
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 ................................................–0.5V to +4.6V
DC Input Voltage .............................................................................–0.5V to +4.6V
DC Output Current........................................................................................ 120mA
Power Dissipation ............................................................................................ 0.5W
Note:
Stresses greater than those listed under MAXIMUM
RATINGS may cause permanent damage to the
device. This is a stress rating only and functional
operation of the device at these or any other condi-
tions above those indicated in the operational sec-
tions of this specication 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)
VIH Input HIGH Voltage
Guaranteed Logic HIGH Level
2.0
VIL Input LOW Voltage
Guaranteed Logic LOW Level
–0.5
IIH Input HIGH Current
VCC = Max., VIN = VCC
IIL Input LOW Current
VCC = Max., VIN = GND
IOZH
High Impedance Output Current 0 IN, Y VCC
VIK Clamp Diode Voltage
VCC = Min., IIN = –18mA
RON Switch On-Resistance(3)
VCC = Min., VIN = 0.0V,
ION = 48mA or 64mA
VCC = Min., VIN = 2.4V,
ION = 15mA
5
10
Max.
0.8
±1
±1
±1
–1.2
8
17
Units
V
μA
V
Ω
Notes:
1. For Max. or Min. conditions, use appropriate value specied 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 I and Y pin at indicated current through the switch. On-Resistance is determined by the lower of the
voltages on the two (I,Y) pins.
Capacitance (TA = 25°C, f = 1 MHz)
Parameters(1)
Description
CIN Input Capacitance
CI(OFF)
I0 - I7 Capacitance, Switch Off
CY(OFF)
Y Capacitance, Switch Off
CI(ON)
I0 - I7 Capacitance, Switch On
Test Conditions
VIN = 0V
Note:
1. This parameter is determined by device characterization but is not production tested.
Typ.
3.0
8.0
64.0
72.0
Units
pF
09-0037
2
PS8150G
03/02/09


Part Number PI3B3251
Description 8:1 Mux/DeMux NanoSwitch
Maker Pericom Semiconductor Corporation
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PI3B3251 Datasheet PDF






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