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PI74LPT244ASEX

Description
Bus Driver, LPT Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20, 0.300 INCH, GREEN, PLASTIC, SOIC-20
Categorylogic    logic   
File Size538KB,8 Pages
ManufacturerPericom Semiconductor Corporation (Diodes Incorporated)
Websitehttps://www.diodes.com/
Environmental Compliance
Download Datasheet Parametric View All

PI74LPT244ASEX Overview

Bus Driver, LPT Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20, 0.300 INCH, GREEN, PLASTIC, SOIC-20

PI74LPT244ASEX Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerPericom Semiconductor Corporation (Diodes Incorporated)
Parts packaging codeSOIC
package instructionSSOP, SOP20,.4
Contacts20
Reach Compliance Codecompliant
ECCN codeEAR99
Control typeENABLE LOW
seriesLPT
JESD-30 codeR-PDSO-G20
JESD-609 codee3
length8.65 mm
Load capacitance (CL)50 pF
Logic integrated circuit typeBUS DRIVER
MaximumI(ol)0.024 A
Humidity sensitivity level1
Number of digits4
Number of functions2
Number of ports2
Number of terminals20
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Output characteristics3-STATE
Output polarityTRUE
Package body materialPLASTIC/EPOXY
encapsulated codeSSOP
Encapsulate equivalent codeSOP20,.4
Package shapeRECTANGULAR
Package formSMALL OUTLINE, SHRINK PITCH
method of packingTAPE AND REEL
Peak Reflow Temperature (Celsius)260
power supply3/3.3 V
Prop。Delay @ Nom-Sup4.8 ns
propagation delay (tpd)4.8 ns
Certification statusNot Qualified
Maximum seat height2.65 mm
Maximum supply voltage (Vsup)3.6 V
Minimum supply voltage (Vsup)2.7 V
Nominal supply voltage (Vsup)3.3 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceMATTE TIN
Terminal formGULL WING
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperature40
width7.5 mm
PI74LPT244
Fast CMOS 3.3V 8-Bit
Buffer/Line Driver
Features
• Compatible with LCX™ and LVT™ families of products
• Supports 5V Tolerant Mixed Signal Mode Operation
– Input can be 3V or 5V
– Output can be 3V or connected to 5V bus
• Advanced Low Power CMOS Operation
• Excellent output drive capability:
Balanced drives (24mA sink and source)
• Low ground bounce outputs
• Hysteresis on all inputs
• Industrial operating temperature range: –40°C to +85°C
• Packages (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)
– 20-pin 209-mil wide plastic SSOP (H)
Description
Pericom Semiconductor’s PI74LPT244 is an 8-bit buffer/line
driver designed for driving high capacitive memory loads. With
its balanced-drive characteristics, this high-speed, low power device
provides lower ground bounce, transmission line matching of signals,
fewer line reflections and lower EMI and RFI effects. This makes
it ideal for driving on-board buses and transmission lines.
The PI74LPT244 can be driven from either 3.3V or 5.0V
devices allowing this device to be used as a translator in a mixed
3.3/5.0V system.
Block Diagram
Pin Configuration
OE
A
DA
0
OB
0
DA
1
OB
1
DA
2
OB
2
DA
3
OB
3
GND
1
20
2
19
3
18
4
20-PIN
17
L20
16
5
Q20
15
6
S20
7
14
8
13
9
12
10
11
V
CC
OE
B
OA
0
DB
0
OA
1
DB
1
OA
2
DB
2
OA
3
DB
3
06-0181
1
PS2058F
06/05/06
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