pi5c3251 Pericom Semiconductor Corporation, pi5c3251 Datasheet

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pi5c3251

Manufacturer Part Number
pi5c3251
Description
8 1 Multiplexer/demultiplexer
Manufacturer
Pericom Semiconductor Corporation
Datasheet

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Features:
• Near-Zero propagation delay
• 5Ω switches connect inputs to outputs
• Direct bus connection when switches are ON
• Ultra Low Quiescent Power (0.2µA typical)
• Pin compatible with 74 series 251 logic devices
• Packaging (Pb-free & Green available):
Block Diagram
Truth Table
Note:
1.
– Ideally suited for notebook applications
– 16-pin 150-mil wide plastic QSOP (Q)
– 16-pin 300-mil wide plastic SOIC (S)
– 16-pin 150-mil wide plastic SOIC (W)
– 16-pin 173-mil wide plastic TSSOP (L)
E
H
L
L
L
L
L
L
L
L
S0
S1
S2
E
H = High Voltage Level, L = Low Voltage Level
06-0239
S
X
H
H
H
H
L
L
L
L
2
Select
(1)
S
X
H
H
H
H
L
L
L
L
I0
1
I1
S
X
H
H
H
H
L
L
L
L
0
I2
Hi-Z
I0
I1
I2
I3
I4
I5
I6
I7
I3
Y
Y
I4
I5
Function
S2-0 = 0
S2-0 = 1
S2-0 = 2
S2-0 = 3
S2-0 = 4
S2-0 = 5
S2-0 = 6
S2-0 = 7
Disable
I6
I7
1
Description:
Pericom Semiconductor’s PI5C3251 is a Dual 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.
Pin Description
Pin Configuration
Pin Name
GND
S
V
I
0
0
Y
E
CC
7
2
GND
NC
E
Y
I3
I2
I1
I0
Data Inputs
Select Inputs
Enable
Data Outputs
Ground
Power
8:1 Mux/DeMux BusSwitch
1
2
3
4
5
6
7
8
Description
10
16
15
14
13
12
11
9
VCC
I4
I5
I6
I7
S0
S1
S2
PI5C3251
PS7016C
05/11/06
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

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pi5c3251 Summary of contents

Page 1

... H = High Voltage Level Low Voltage Level 06-0239 Description: Pericom Semiconductor’s PI5C3251 is a Dual 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. ...

Page 2

... Exposure to absolute maximum rating conditions for extended periods may affect reliability. =5V ±5%) CC (1) (2) Min. Typ 2.0 –0.5 CC –0.7 100 150 = Typ. Max PI5C3251 Max. Units V 0.8 ±1 ±1 µA ±1 –1 Ω 15 Units pF PS7016C 05/11/06 ...

Page 3

... Test Conditions V = GND Max Max 3. Max and Y Pins Open E = GND Control Input Toggling 50% Duty Cycle Conditions 500Ω PI5C3251 8:1 Mux/DeMux BusSwitch (2) Min. Typ Max. Units 0.1 3.0 µA (3) 2.5 mA mA/ 0.25 MHz Com. Unit Min. Max. 0.25 0.5 6.6 ns 0.5 6.0 0.5 6.0 PS7016C 05/11/06 ...

Page 4

... DENOTES DIMENSIONS X.XX IN MILLIMETERS 4 8:1 Mux/DeMux BusSwitch .008 0.20 MIN. .008 .013 0.20 0.33 0˚-6˚ .016 .035 0.41 0.89 .041 1.04 REF 0.38 .015 x 45° Detail A 0.178 .007 0.254 .010 0.41 .016 1.27 .050 .228 .244 5.79 6.19 0.254 .010 x 45˚ 0.737 .029 0.23 .0091 0.32 .0125 0.41 .016 1.27 .050 .394 .419 10.00 10.65 PS7016C PI5C3251 05/11/06 ...

Page 5

... SEATING PLANE 0.10 .0040 0.25 .0098 .013 .020 0.330 X.XX DENOTES DIMENSIONS 0.508 X.XX IN MILLIMETERS .169 4.3 .177 4.5 .047 max. 1.20 SEATING PLANE .002 0.05 .006 0.15 5 8:1 Mux/DeMux BusSwitch 0.25 .0099 x 45˚ 0.50 .0196 .0075 0-8˚ .0098 0.41 .016 1.27 .050 .2284 .2440 5.80 6.20 .004 .008 0.45 .018 0.75 .030 .252 BSC 6.4 PI5C3251 0.19 0.25 0.09 0.20 PS7016C 05/11/06 ...

Page 6

... Ordering Information Ordering Code PI5C3251Q PI5C3251QE PI5C3251S PI5C3251W PI5C3251L PI5C3251LE Notes: • Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ • Pb-free & Green • Adding an X suffix = Tape/Reel Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com 06-0239 Package Code Q 16-pin 150-mil wide QSOP Q Pb-free & ...

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