pi3b3244 Pericom Semiconductor Corporation, pi3b3244 Datasheet

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pi3b3244

Manufacturer Part Number
pi3b3244
Description
3.3v 8-bit Bus Switch Fct244 Pinout
Manufacturer
Pericom Semiconductor Corporation
Datasheet
1.PI3B3244.pdf (5 pages)

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Meier Automation Equipment Co., Limited Meier Automation Equipment Co., Limited
Part Number:
pi3b3244LEX
Manufacturer:
PERICOM
Quantity:
20 000
Company:
BOSTOCK HK LIMITED BOSTOCK HK LIMITED
Part Number:
pi3b3244LX
Manufacturer:
HP
Quantity:
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Company:
Meier Automation Equipment Co., Limited Meier Automation Equipment Co., Limited
Part Number:
pi3b3244Q
Manufacturer:
PERICOM
Quantity:
20 000
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2
Features
• Near-Zero propagation delay
• 5-ohm switches connect inputs to outputs when enabled
• Fast Switching Speed - 4.5ns max.
• Ultra-Low Quiescent Power (0.2µA Typical)
• Pin compatible with 74 series 244 logic devices
• Packaging:
Block Diagram
– Ideally suited for notebook applications
– 20-pin 150-mil wide plastic QSOP (Q)
– 20-pin 173-mil wide plastic TSSOP (L)
BE
BE
1A
1A
1A
1A
2A
2A
2A
2A
0
1
2
3
2
0
1
2
3
1
SW
SW
SW
SW
SW
SW
SW
SW
1B
1B
1B
1B
2B
2B
2B
2B
0
1
0
1
0
1
2
3
A
SW
BE
B
1
Pin Configuration
Truth Table
Description
Pericom Semiconductor’s PI3B series of logic circuits are produced
using the Company’s advanced sub-micron CMOS technology,
achieving industry leading performance.
The PI3B3244 features a set of 3.3V 8-bit bus switches, which is
pinout and function compatible with the P74FCT244T, 74F244, and
74ALS/AS/LS2448-bit drivers. Two enable signals (BEn) turn the
switches on similar to the enable signals of the 244. The bus switch
create no additional propagation delay or ground bounce noise.
Pin Description
Note:
1. H = High Voltage Level, L = Low Voltage Level
Pin Name
BEn
A
B
GND
V
B
0
CC
0
H
H
L
L
E
–
–
1
7
7
GND
B
BE 1
(1)
1
2
1
2
1
2
1
2
H
H
L
L
E
A
B
A
B
A
B
A
B
2
0
3
1
2
2
1
3
0
Description
Bus Enable Input (Active LOW)
Bus A
Bus B
Ground
Power
8-Bit, 2-Port NanoSwitch™
D
D
1
2
3
4
5
6
7
8
9
10
1
1
1
c s i
c s i
A
A
, A
n o
n o
20-Pin
=
=
Q,L
1
e n
e n
1
1
B
B
B
t c
t c
3.3V, Hot Insertion,
20
19
18
17
16
15
14
13
12
11
D
D
2
2
2
c s i
c s i
A
A
, A
n o
n o
=
=
Vcc
BE
1
2
1
2
1
2
1
2
2
B
A
B
A
B
A
B
A
e n
e n
2
2
B
PI3B3244
0
3
1
2
2
1
3
0
B
B
2
t c
t c
PS8149F
08/25/04

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pi3b3244 Summary of contents

Page 1

... Pericom Semiconductor’s PI3B series of logic circuits are produced using the Company’s advanced sub-micron CMOS technology, achieving industry leading performance. The PI3B3244 features a set of 3.3V 8-bit bus switches, which is pinout and function compatible with the P74FCT244T, 74F244, and 74ALS/AS/LS2448-bit drivers. Two enable signals (BEn) turn the switches on similar to the enable signals of the 244 ...

Page 2

...

Page 3

... Com. (1) Conditions Min. Max pF, 0. 500 pF, 1 500 500 1.0 4 3.3V, Hot Insertion 8-Bit, 2-Port NanoSwitch™ (2) Min. Typ = GND ( Units and GND before applying signals to CC PI3B3244 Max. Units 3.0 µA 750 µA PS8149F 08/25/04 ...

Page 4

... X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS Packaging Mechanical: 20-Pin TSSOP ( .252 .260 6.4 6.6 .0256 .007 BSC .012 0.19 0.65 0.30 Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com .150 3.81 .157 3.99 Guage Plane .010 0.254 Detail A .053 1.35 .069 1.75 SEATING PLANE .004 0.101 .010 0.254 .169 4.3 .177 4 ...

Page 5

... Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com Package Code Q 20-pin QSOP Q Pb-free & Green, 20-pin QSOP L 20-pin TSSOP L Pb-free & Green, 20-pin TSSOP 5 PI3B3244 3.3V, Hot Insertion 8-Bit, 2-Port NanoSwitch™ Package Type PS8149F 08/25/04 ...

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