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Pericom Semiconductor Corporation

PI74LCX244 Datasheet Preview

PI74LCX244 Datasheet

Fast CMOS 3.3V 8-Bit Buffer/Line Driver

No Preview Available !

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PI74LCX244
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Fast CMOS 3.3V 8-Bit
Buffer/Line Driver
Product Features
• Functionally compatible with FCT3, LVT, and 74 series
244 families of products
• Tri-State outputs
• 5V Tolerant inputs and outputs
• 2.0V-3.6V VCC supply operation
• Balanced sink and source output drives (24 mA)
• Low ground bounce outputs
• Supports live insertion
• ESD Protection exceeds 2000V, Human Body Model
200V, Machine Model
• Packages available:
– 20-pin 209-mil wide plastic SSOP (H)
– 20-pin 173-mil wide plastic TSSOP (L)
– 20-pin 150-mil wide plastic QSOP (Q)
– 20-pin 300-mil wide plastic SOIC (S)
Product Description
Pericom Semiconductor’s PI74LCX series of logic circuits are
produced in the Company’s advanced 0.6 micron CMOS technology
achieving high speed while maintaining low power operation.
The PI74LCX244 is an 8-bit non-inverting 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 PI74LCX244 can be driven from either 3.3V or 5.0V devices
allowing this device to be used as a translator in a mixed
3.3V/5.0V system.
Logic Block Diagram
OEA
DA0
OB0
DA1
OB1
DA2
OB2
DA3
OB3
Product Pin Configuration Product Pin Description
Pin Name Description
OEA 1
20 VCC
OEA, OEB 3-State Output Enable
DA0 2
19 OEB
Inputs (Active LOW)
OEB
OB0 3 20-Pin 18 OA0
DA1 4 H20 17 DB0
DXX Inputs
OA0
OB1 5
DA2 6
L20 16 OA1
Q20 15 DB1
OXX Outputs
OB2 7 S20 14 OA2
GND
Ground
DB0
DA3 8
13 DB2
VCC Power
OB3 9
12 OA3
OA1
GND 10
11 DB3
DB1
OA2 Truth Table(1)
Inputs
Outputs
DB2
OEA
OEB
DXX
OXX
OA3 L L L L
LLH H
DB3
HH X
Z
Note:
1. H = High Voltage Level, X = Don’t Care,
L = Low Voltage Level, Z = High Impedance
1 PS2098A 02/11/97
DataSheet4 U .com




Pericom Semiconductor Corporation

PI74LCX244 Datasheet Preview

PI74LCX244 Datasheet

Fast CMOS 3.3V 8-Bit Buffer/Line Driver

No Preview Available !

www.DataSheet4U.com
PI74LCX244
12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345637.8390V12182-3B45I67T890B12U34F56F78E90R12/3L45I6N78E901D212R34I5V67E89R012
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Storage Temperature ............................................................. –65°C to +150°C
Ambient Temperature with Power Applied ............................ –40°C to +85°C
Supply Voltage to Ground Potential (Inputs & Vcc Only) ...... –0.5V to +7.0V
Supply Voltage to Ground Potential (Outputs & D/O Only) .. –0.5V to +7.0V
DC Input Voltage .................................................................... –0.5V to +7.0V
DC Output Current .............................................................................. 120 mA
Power Dissipation .................................................................................... 1.0W
Note:
Stresses greater than those listed under
MAXIMUM RATINGS may cause permanent
damage to the device. This is a stress rating only and
functional operation of the device at these or any
other conditions above those indicated in the opera-
tional sections of this specification is not implied.
Exposure to absolute maximum rating conditions for
extended periods may affect reliability.
Recommended Operating Conditions
Symbol
VCC
Parameter
Supply Voltage
VI Input Voltage
VO Output Voltage
IOH/IOL
Output Current
TA
t/V
Free-Air Operating Temperature
Input Edge Rate
Operating
Data Retention
HIGH or LOW State
TRI-State
VCC = 3.0V-3.6V
VCC = 2.7V
V = 0.8V-2.0V, VCC = 3.0V
Min.
2.0
1.5
0
0
0
40
0
Max.
3.6
3.6
5.5
VCC
5.5
±24
±12
+85
10
Units
V
mA
°C
ns/V
2 PS2098A 02/11/97
DataSheet4 U .com


Part Number PI74LCX244
Description Fast CMOS 3.3V 8-Bit Buffer/Line Driver
Maker Pericom Semiconductor Corporation
Total Page 4 Pages
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