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PI3B3257AQE Datasheet(PDF) 1 Page - Pericom Semiconductor Corporation

Part # PI3B3257AQE
Description  3.3V, Quad 2:1 Mux/DeMux NanoSwitch
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Manufacturer  PERICOM [Pericom Semiconductor Corporation]
Direct Link  http://www.pericom.com
Logo PERICOM - Pericom Semiconductor Corporation

PI3B3257AQE Datasheet(HTML) 1 Page - Pericom Semiconductor Corporation

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01/10/11
Pin Description
Pin Name
Description
IAN-IDN
Data Inputs
S
Select Inputs
E
Enable
YA-YD
Data Outputs
GND
Ground
VCC
Power
NC
No Connect
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
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)
Pin Configuration
Note:
1. H = High Voltage Level
L = Low Voltage Level
E
IA0
IA1 IB0 IB1 IC0 IC1 ID0 ID1
S
YA
YB
YC
YD
I
Y
E
SW
SW
SW
SW
SW
SW
SW
SW
SW
Truth Table(1)
E
S
YA
YB
YC
YD
Function
H
X
Hi-Z Hi-Z
Hi-Z
Hi-Z Disable
L
L
IA0
IB0
IC0
ID0
S = 0
L
H
IA1
IB1
IC1
ID1
S = 1
VCC
S
1
E
IA0
2
ID0
I
A1
3
ID1
YA
4
YD
I
B0
5
16
IC0
I
B1
6
15
IC1
YB
7
14
YC
8
13
12
GND
11
10
9
PI3B3257A
3.3V, Quad 2:1 Mux/DeMux NanoSwitch™
11-0009


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