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Datasheet> All Categories > logic> logic> PI74LPT241Q
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PI74LPT241Q

Description
Bus Driver, LPT Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20, 0.150 INCH, 0.635 MM PITCH, PLASTIC, QSOP-20
Categorylogic    logic   
File Size42KB，4 Pages
ManufacturerPericom Semiconductor Corporation (Diodes Incorporated)
Websitehttps://www.diodes.com/
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PI74LPT241Q Overview

Bus Driver, LPT Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20, 0.150 INCH, 0.635 MM PITCH, PLASTIC, QSOP-20

PI74LPT241Q Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerPericom Semiconductor Corporation (Diodes Incorporated)
Parts packaging codeQSOP
package instructionSSOP, SSOP20,.25
Contacts20
Reach Compliance Codeunknown
ECCN codeEAR99
Other featuresOUTPUT ENABLE ACTIVE HIGH FOR ONE FUNCTION
Control typeENABLE LOW/HIGH
seriesLPT
JESD-30 codeR-PDSO-G20
JESD-609 codee0
length8.65 mm
Load capacitance (CL)50 pF
Logic integrated circuit typeBUS DRIVER
MaximumI(ol)0.024 A
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 codeSSOP20,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply3/3.3 V
Prop。Delay @ Nom-Sup6.5 ns
propagation delay (tpd)7.8 ns
Certification statusNot Qualified
Maximum seat height1.75 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 surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch0.635 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3.9116 mm

PI74LPT241Q Preview

21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI74LPT241
3.3V 8-BIT BUFFER/LINE DRIVER
PI74LPT241
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
Fast CMOS 3.3V 8-Bit
Buffer/Line Driver
Product 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 (24 mA sink and source)
• Low ground bounce outputs
• Hysteresis on all inputs
• Industrial operating temperature range: –40°C to +85°C
• Packages available:
– 20-pin 173-mil wide plastic TSSOP (L)
– 20-pin 150-mil wide plastic QSOP (Q)
– 20-pin 150-mil wide plastic TQSOP (R)
– 20-pin 300-mil wide plastic SOIC (S)
Product Description
Pericom Semiconductor’s PI74LPT series of logic circuits are pro-
duced in the Company’s advanced 0.6 micron CMOS technology,
achieving industry leading speed grades.
The PI74LPT241 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 PI74LPT241 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.
Logic Block Diagram
OE
A
OE
B
DA
0
Product Pin Configuration
OE
A
DA
0
OB
0
DA
1
Product Pin Description
Pin Name
OE
A
, OE
B
Dxx
Oxx
GND
V
CC
Description
3-State Output Enable
Inputs
Inputs
Outputs
Ground
Power
OA
0
OB
1
DA
2
OB
0
DB
0
OA
1
OB
2
DA
3
DA
1
OB
1
OB
3
GND
1
20
2
19
3
18
4
20-PIN
17
L20
16
5
Q20
15
6
6
R20
14
7
7
14
S20
8
13
8
13
9
12
9
12
10
11
10
11
V
CC
OE
B
OA
0
DB
0
OA
1
DB
1
OA
2
DB
2
OA
3
DB
3
DB
1
OA
2
DA
2
OB
2
Truth Table
(1)
DB
2
OA
3
DA
3
OB
3
DB
3
OE
A
L
L
H
Inputs
OE
B
H
H
L
D
XX
L
H
X
Outputs
O
XX
L
H
Z
Note:
1. H = High Voltage Level, X = Don't Care,
L = Low Voltage Level, Z = High Impedance
1
PS2057A 01/14/97
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI74LPT241
3.3V 8-BIT BUFFER/LINE DRIVER
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Storage Temperature ............................................................. –55°C to +125°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 condi-
tions above those indicated in the operational
sections of this specification is not implied. Exposure
to absolute maximum rating conditions for extended
periods may affect reliability.
DC Electrical Characteristics
(Over the Operating Range, T
A
= –40°C to +85°C, V
CC
= 2.7V to 3.6V)
Parameters
V
IH
V
IL
I
IH
I
IL
I
OZH
I
OZL
V
IK
I
ODH
I
ODL
V
OH
Description
Input HIGH Voltage (Input pins)
Input HIGH Voltage (I/O pins)
Input LOW Voltage
(Input and I/O pins)
Input HIGH Current (Input pins)
Input HIGH Current (I/O pins)
Input LOW Current (Input pins)
Input LOW Current (I/O pins)
High Impedance Output Current
(3-State Output pins)
Clamp Diode Voltage
Output HIGH Current
Output LOW Current
Output HIGH Voltage
Test Conditions
(1)
Guaranteed Logic HIGH Level
Guaranteed Logic LOW Level
Min.
2.2
2.0
–0.5
Typ
(2)
—
—
—
—
—
—
—
—
—
–0.7
–60
90
—
3.0
3.0
—
—
0.2
0.3
–85
—
150
Max.
5.5
5.5
0.8
±1
±1
±1
±1
±1
±1
–1.2
–110
200
—
—
—
—
0.2
0.4
0.5
–240
±100
—
Units
V
V
V
µA
µA
µA
µA
µA
µA
V
mA
mA
V
V
V
V
V
V
mA
µA
mV
V
OL
Output LOW Voltage
I
OS
I
OFF
V
H
Short Circuit Current
(4)
Power Down Disable
Input Hysteresis
V
CC
= Max.
V
IN
= 5.5V
—
V
CC
= Max.
V
IN
= V
CC
—
V
CC
= Max.
V
IN
= GND
—
V
CC
= Max.
V
IN
= GND
—
V
CC
= Max.
V
OUT
= 5.5V
—
V
CC
= Max.
V
OUT
= GND
—
V
CC
= Min., I
IN
= –18 mA
—
V
CC
= 3.3V, V
IN
= V
IH
or V
IL
, V
O
= 1.5V
(3)
–36
(3)
V
CC
= 3.3V, V
IN
= V
IH
or V
IL
, V
O
= 1.5V
50
V
CC
= Min.
I
OH
= –0.1 mA Vcc-0.2
V
IN
= V
IH
or V
IL
I
OH
= –3 mA
2.4
V
CC
= 3.0V,
I
OH
= –8 mA
2.4
(5)
V
IN
= V
IH
or V
IL
I
OH
= –24 mA
2.0
V
CC
= Min.
I
OL
= 0.1 mA
—
V
IN
= V
IH
or V
IL
I
OL
= 16 mA
—
I
OL
= 24 mA
—
(3)
V
CC
= Max. , V
OUT
= GND
–60
V
CC
= 0V, V
IN
or V
OUT
≤
4.5V
—
—
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at Vcc = 3.3V, +25°C ambient and maximum loading.
3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second.
4. This parameter is guaranteed but not tested.
5. V
OH
= V
CC
– 0.6V at rated current.
Capacitance
(T
A
= 25°C, f = 1 MHz)
Parameters
(1)
C
IN
C
OUT
Description
Input Capacitance
Output Capacitance
Test Conditions
V
IN
= 0V
V
OUT
= 0V
Typ.
4.5
5.5
Max.
6
8
Units
pF
pF
Note:
1. This parameter is determined by device characterization but is not production tested.
2
PS2057A 01/14/97
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI74LPT241
3.3V 8-BIT BUFFER/LINE DRIVER
Power Supply Characteristics
Parameters Description
I
CC
Quiescent Power Supply Current
Quiescent Power Supply Current
TTL Inputs HIGH
Dynamic Power Supply
(4)
Test Conditions
(1)
V
CC
= Max.
V
CC
= Max.
V
CC
= Max.,
Outputs Open
OE
X
= GND
One Bit Toggling
50% Duty Cycle
V
CC
= Max.,
Outputs Open
f
I
= 10 MH
Z
50% Duty Cycle
OE
X
= GND
One Bit Toggling
V
CC
= Max.,
Outputs Open
f
I
= 2.5 MH
Z
50% Duty Cycle
OE
X
= GND
8 Bits Toggling
V
IN
= GND or V
CC
V
IN
= V
CC
– 0.6V
(3)
V
IN
= V
CC
V
IN
= GND
Min.
Typ
(2)
0.1
2.0
50
Max.
10
30
75
Units
µA
µA
µA/
MHz
∆
I
CC
I
CCD
I
C
Total Power Supply
Current
(6)
V
IN
= V
CC
– 0.6V
V
IN
= GND
0.6
2.3
mA
V
IN
= V
CC
– 0.6V
V
IN
= GND
2.1
4.7
(5)
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device.
2. Typical values are at Vcc = 3.3V, +25°C ambient.
3. Per TTL driven input; all other inputs at Vcc or GND.
4. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations.
5. Values for these conditions are examples of the Icc formula. These limits are guaranteed but not tested.
6. I
C
=I
QUIESCENT
+ I
INPUTS
+ I
DYNAMIC
I
C
= I
CC
+
∆
I
CC
D
H
N
T
+ I
CCD
(f
CP
/2 + f
I
N
I
)
I
CC
= Quiescent Current (I
CCL
, I
CCH
and I
CCZ
)
∆
I
CC
= Power Supply Current for a TTL High Input
D
H
= Duty Cycle for TTL Inputs High
N
T
= Number of TTL Inputs at D
H
I
CCD
= Dynamic Current Caused by an Input Transition Pair (HLH or LHL)
f
CP
= Clock Frequency for Register Devices (Zero for Non-Register Devices)
N
CP
= Number of Clock Inputs at f
CP
f
I
= Input Frequency
N
I
= Number of Inputs at f
I
All currents are in milliamps and all frequencies are in megahertz.
3
PS2057A 01/14/97
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI74LPT241
3.3V 8-BIT BUFFER/LINE DRIVER
Switching Characteristics over Operating Range
(1)
LPT241
Com.
Parameters
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
SK
(o)
Description
Propagation Delay
D
XX
to O
XX
Output Enable Time
OE
A
/OE
B
to Oxx
Output Disable Time
(4)
OE
A
/OE
B
to Oxx
Output Skew
(5)
Conditions
(2)
C
L
= 50 pF
R
L
= 500Ω
Min.
(3)
1.5
1.5
1.5
Max.
6.5
8.0
7.0
0.5
1.5
1.5
1.5
LPT241A
Com.
Min.
(3)
Max.
4.8
6.2
5.6
0.5
1.5
1.5
1.5
LPT241C
Com.
Min.
(3)
Max.
4.1
5.8
5.2
0.5
Units
ns
ns
ns
ns
Notes:
1. Propagation Delays and Enable/Disable times are with Vcc = 3.3V ±0.3V, normal range. For Vcc = 2.7V, extended range, all
Propagation Delays and Enable/Disable times should be degraded by 20%.
2. See test circuit and waveforms.
3. Minimum limits are guaranteed but not tested on Propagation Delays.
4. This parameter is guaranteed but not production tested.
5. Skew between any two outputs, of the same package, switching in the same direction. This parameter is guaranteed by design.
Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
4
PS2057A 01/14/97
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PI74LPT241Q Related Products

PI74LPT241Q PI74LPT241R PI74LPT241S PI74LPT241L
Description Bus Driver, LPT Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20, 0.150 INCH, 0.635 MM PITCH, PLASTIC, QSOP-20 Bus Driver, LPT Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20, 0.150 INCH, 1.10 MM HEIGHT, 0.635 MM PITCH, PLASTIC, TQSOP-20 Bus Driver, LPT Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20, 0.300 INCH, 1.27 MM PITCH, PLASTIC, SOIC-20 Bus Driver, LPT Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20, 0.173 INCH, 1.10 MM HEIGHT, 0.65 MM PITCH, PLASTIC, TSSOP-20
Is it Rohs certified? incompatible incompatible incompatible incompatible
Maker Pericom Semiconductor Corporation (Diodes Incorporated) Pericom Semiconductor Corporation (Diodes Incorporated) Pericom Semiconductor Corporation (Diodes Incorporated) Pericom Semiconductor Corporation (Diodes Incorporated)
Parts packaging code QSOP QSOP SOIC TSSOP
package instruction SSOP, SSOP20,.25 TSOP, TSSOP20,.25 SOP, SOP20,.4 TSSOP, TSSOP20,.25
Contacts 20 20 20 20
Reach Compliance Code unknown unknown unknown unknown
ECCN code EAR99 EAR99 EAR99 EAR99
Other features OUTPUT ENABLE ACTIVE HIGH FOR ONE FUNCTION OUTPUT ENABLE ACTIVE HIGH FOR ONE FUNCTION OUTPUT ENABLE ACTIVE HIGH FOR ONE FUNCTION OUTPUT ENABLE ACTIVE HIGH FOR ONE FUNCTION
Control type ENABLE LOW/HIGH ENABLE LOW/HIGH ENABLE LOW/HIGH ENABLE LOW/HIGH
series LPT LPT LPT LPT
JESD-30 code R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20
JESD-609 code e0 e0 e0 e0
length 8.65 mm 8.65 mm 12.8 mm 6.5 mm
Load capacitance (CL) 50 pF 50 pF 50 pF 50 pF
Logic integrated circuit type BUS DRIVER BUS DRIVER BUS DRIVER BUS DRIVER
MaximumI(ol) 0.024 A 0.024 A 0.024 A 0.024 A
Number of digits 4 4 4 4
Number of functions 2 2 2 2
Number of ports 2 2 2 2
Number of terminals 20 20 20 20
Maximum operating temperature 85 °C 85 °C 85 °C 85 °C
Minimum operating temperature -40 °C -40 °C -40 °C -40 °C
Output characteristics 3-STATE 3-STATE 3-STATE 3-STATE
Output polarity TRUE TRUE TRUE TRUE
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SSOP TSOP SOP TSSOP
Encapsulate equivalent code SSOP20,.25 TSSOP20,.25 SOP20,.4 TSSOP20,.25
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE SMALL OUTLINE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
power supply 3/3.3 V 3/3.3 V 3/3.3 V 3/3.3 V
Prop。Delay @ Nom-Sup 6.5 ns 6.5 ns 6.5 ns 6.5 ns
propagation delay (tpd) 7.8 ns 7.8 ns 7.8 ns 7.8 ns
Certification status Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 1.75 mm 1.1 mm 2.65 mm 1.2 mm
Maximum supply voltage (Vsup) 3.6 V 3.6 V 3.6 V 3.6 V
Minimum supply voltage (Vsup) 2.7 V 2.7 V 2.7 V 2.7 V
Nominal supply voltage (Vsup) 3.3 V 3.3 V 3.3 V 3.3 V
surface mount YES YES YES YES
technology CMOS CMOS CMOS CMOS
Temperature level INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form GULL WING GULL WING GULL WING GULL WING
Terminal pitch 0.635 mm 0.635 mm 1.27 mm 0.65 mm
Terminal location DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
width 3.9116 mm 3.9 mm 7.5 mm 4.4 mm

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