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PDF PI5C3244L Data sheet ( Hoja de datos )
| Número de pieza | PI5C3244L | |
| Descripción | 8-Bit/ 2-Port Switch | |
| Fabricantes | Pericom Semiconductor Corporation | |
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PI5C3244
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8-Bit, 2-Port Switch
Features:
• Near-Zero propagation delay
• 5-ohm switches connect inputs to outputs when enabled
• Direct bus connection when switches are ON
• Ultra Low Quiescent Power (0.2µA Typical)
– Ideally suited for notebook applications
• Pin compatible with 74 Series 244 logic devices
• Packaging (Pb-free & Green available):
– 20-pin 173-mil wide plastic TSSOP (L)
– 20-pin 150-mil wide plastic QSOP (Q)
– 20-pin 300-mil wide plastic SOIC (S)
Description:
Pericom Semiconductor’s PI5C3244 features a set of eight bus
switches which is pinout and function compatible with the
PI74FCT244T, 74F244, and 74ALS/AS/LS 244 8-bit drivers. Two
enable signals (BEn) turn the switches on similar to the enable
signals of the 244. The bus switch creates no additional propagation
delay or ground bounce noise.
Block Diagram
BE1
1A0
1A1
1A2
1A3
BE2
2A0
2A1
2A2
2A3
1B0
1B1
1B2
1B3
2B0
2B1
2B2
2B3
Truth Table(1)
BE1 BE2
HH
LH
HL
LL
1A, 1B
Disconnect
1A = 1B
Disconnect
1A = 1B
Note: 1. H = High Voltage Level
L = Low Voltage Level
2A, 2B
Disconnect
Disconnect
2A = 2B
2A = 2B
Pin Configuration
BE1
1A0
2B3
1A1
2B2
1A2
2B1
1A3
2B0
GND
1
2
3
4
5
6
7
8
9
10
20 VCC
19 BE2
18 1B0
17 2A3
16 1B1
15 2A2
14 1B2
13 2A1
12 1B3
11 2A0
Pin Description
Pin Name
BEn
A0-A3
B0-B3
GND
VCC
Description
Bus Output Enable (Active LOW)
Bus A
Bus B
Ground
Power
1 PS7014C 09/2804
1 page  
PI5C3244
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Packaging Mechanical: 20-Pin SOIC(S)
20
.197 5.00
.220 5.60
1
.272
.295
6.90
7.50
.0256
BSC
0.65
.078
2.00 Max
SEATING
PLANE
.0098
Max.
0.25
.002 Min
0.050
X.XX DENOTES DIMENSIONS
X.XX IN MILLIMETERS
0.55 .022
0.95 .037
.291
.322
7.40
8.20
.004 0.09
.009 0.25
Ordering Information
Ordering Code
PI5C3244Q
PI5C3244QE
PI5C3244L
PI5C3244LE
PI5C3244S
PI5C3244SE
Package Code
Q
Q
L
L
S
S
Package Type
20-pin QSOP
Pb-free & Green, 20-pin QSOP
20-pin TSSOP
Pb-free & Green, 20-pin TSSOP
20-pin SOIC
Pb-free & Green, 20-pin SOIC
Notes:
1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging/
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Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com
5
PS7014C 09/2804
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet PI5C3244L.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| PI5C3244 | 8-Bit/ 2-Port Switch | Pericom Semiconductor Corporation |
| PI5C3244L | 8-Bit/ 2-Port Switch | Pericom Semiconductor Corporation |
| PI5C3244LE | 8-Bit/ 2-Port Switch | Pericom Semiconductor Corporation |
| PI5C3244Q | 8-Bit/ 2-Port Switch | Pericom Semiconductor Corporation |
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