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PI3B16211 |
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2123456789012 |
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2123456789012 |
3.3V, Hot Insertion, 24-Bit BusSwitch
Product Features
•Near-zero propagation delay
•5 Ω switches connect inputs to outputs
•Fast Switching Speed - 4.5ns max.
•Permits Hot Insertion
• V CC operating range: 3.0V to 3.6V
•Industrial operating temperature: –40°C to +85°C
•Packages available:
–56-pin 240-mil wide thin plastic TSSOP (A)
–56-pin 300-mil wide plastic SSOP (V)
Product Description
Pericom Semiconductor’s PI3B series of logic circuits are produced using the Company’s advanced 0.35 micron CMOS technology.
The PI3B16211 is a 3.3 volt, hot insertion, 24-bit bus switch designed with a low ON resistance allowing inputs to be connected directly to outputs. This device operates as a 24-bit or a as 12-bit bus switch that provides high-speed bus switching.
Logic Block Diagram |
Product Pin Configuration |
Truth Table
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2OE |
1A, 1B I/Os |
2A, 2B I/Os |
1OE |
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L |
L |
1A = 1B |
2A = 2B |
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L |
H |
1A = 1B |
Z |
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H |
L |
Z |
2A = 2B |
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H |
H |
Z |
Z |
Note:
1.H = High Voltage Level L = Low Voltage Level Z = High Impedance
NC |
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1 |
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56 |
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1OE |
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1A1 |
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2 |
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55 |
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2 |
OE |
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1A2 |
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3 |
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54 |
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1B1 |
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1A3 |
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4 |
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53 |
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1B2 |
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1A4 |
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5 |
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52 |
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1B3 |
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1A5 |
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6 |
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51 |
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1B4 |
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1A6 |
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7 |
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50 |
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1B5 |
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GND |
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8 |
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49 |
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GND |
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1A7 |
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9 |
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48 |
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1B6 |
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1A8 |
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10 |
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47 |
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1B7 |
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1A9 |
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11 |
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46 |
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1B8 |
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1A10 |
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12 |
56-PIN |
45 |
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1B9 |
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1A11 |
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13 |
A, V |
44 |
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1B10 |
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1A12 |
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14 |
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43 |
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1B11 |
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2A1 |
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15 |
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42 |
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1B12 |
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2A2 |
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16 |
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41 |
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2B1 |
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VCC |
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17 |
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40 |
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2B2 |
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2A3 |
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18 |
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39 |
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2B3 |
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GND |
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19 |
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38 |
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GND |
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2A4 |
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20 |
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37 |
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2B4 |
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2A5 |
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21 |
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36 |
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2B5 |
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2A6 |
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22 |
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35 |
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2B6 |
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2A7 |
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23 |
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34 |
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2B7 |
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2A8 |
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24 |
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33 |
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2B8 |
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2A9 |
25 |
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32 |
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2B9 |
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2A10 |
26 |
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31 |
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2B10 |
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2A11 |
27 |
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30 |
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2B11 |
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2A12 |
28 |
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29 |
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2B12 |
Product Pin Description
Pin Name |
I/O |
Description |
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I |
Select Inputs |
1OE, |
2OE |
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xAx |
I/O |
Bus A |
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xBx |
I/O |
Bus B |
1 |
PS8176B |
11/09/98 |
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