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Pericom Semiconductor Corporation

PI3B3257A Datasheet Preview

PI3B3257A Datasheet

Quad 2:1 Mux/DeMux NanoSwitch

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PI3B3257A
3.3V, Quad 2:1 Mux/DeMux NanoSwitch
Features
• Near-Zero propagation delay
• 5Ω switches connect inputs to outputs
•  Fast Switching Speed: 4.8ns max.
•  Ultra-Low Quiescent Power: 0.1µA typical
– Ideally suited for notebook applications
• Pin compatible with 74 series 257 logic devices
• Packaging (Pb-free & Green):
– 16-pin 150 mil wide plastic QSOP (Q)
Description
Pericom Semiconductor’s PI3B3257A is a 3.3 Volt, Quad 2:1
multiplexer/demultiplexer with three-state outputs that is pinout
and function compatible with the PI74FCT257T, 74F257, and
74ALS/AS/LS257. Inputs can be connected to outputs with low
On-Resistance (5Ω) with no additional ground bounce noise or
propagation delay.
Block Diagram
Pin Configuration
IA0 IA1 IB0 IB1 IC0 IC1 ID0 ID1
SW
SW
E SW
SW
SW
S SW
SW
SW
YA YB
SW
YC YD
IY
E
Truth Table(1)
E S YA YB
H X Hi-Z Hi-Z
L L IA0 IB0
L H IA1 IB1
Note:
1. H = High Voltage Level
L = Low Voltage Level
YC
Hi-Z
IC0
IC1
YD
Hi-Z
ID0
ID1
Function
Disable
S=0
S=1
S
IA0
IA1
YA
IB0
IB1
YB
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Pin Description
Pin Name
IAN-IDN
S
E
YA-YD
GND
VCC
NC
Description
Data Inputs
Select Inputs
Enable
Data Outputs
Ground
Power
No Connect
VCC
E
ID0
ID1
YD
IC0
IC1
YC
11-0009
1
01/10/11




Pericom Semiconductor Corporation

PI3B3257A Datasheet Preview

PI3B3257A Datasheet

Quad 2:1 Mux/DeMux NanoSwitch

No Preview Available !

PI3B3257A
3.3V, Quad 2:1 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 conditions above those indicated in the operational sections of this specification is not
mplied. 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
VIL
IIH
IIL
IOZH
VIK
RON
Input HIGH Voltage
Input LOW Voltage
Input HIGH Current
Input LOW Current
High Impedance Output Current
Clamp Diode Voltage
Switch On-Resistance(3)
Guaranteed Logic HIGH Level
Guaranteed Logic LOW Level
VCC = Max., VIN = VCC
VCC = Max., VIN = GND
0 ≤ In, Yn ≤ VCC
VCC = Min., IIN = –18mA
VCC = Min., VIN = 0.0V,
Ion = 48mA or 64mA
VCC = Min., VIN = 2.4V, ION = 15mA
2
V
–0.5 0.8
±1
±1 µA
±1
–1.2 V
57
8 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 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
Test Conditions
CIN
COFFYN
COFFIN
Input Capacitance
YN Capacitance, Switch OFF
IN Capacitance, Switch OFF
VIN = 0V
CON IN/YN Capacitance, Switch ON
Notes:
1. This parameter is determined by device characterization but is not production tested.
Typ. Units
2
7.5 pF
4.0
11
11-0009
2
01/10/11


Part Number PI3B3257A
Description Quad 2:1 Mux/DeMux NanoSwitch
Maker Pericom Semiconductor Corporation
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PI3B3257A Datasheet PDF






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