74LVQ244QSCX

74LVQ244QSCX Datasheet

74LVQ244 Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs

Part	Datasheet
74LVQ244QSCX	74LVQ244QSCX (pdf)

Related Parts	Information
74LVQ244SC	74LVQ244SC
74LVQ244SJ	74LVQ244SJ
74LVQ244QSC	74LVQ244QSC
74LVQ244SJX	74LVQ244SJX
74LVQ244SCX	74LVQ244SCX

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74LVQ244 Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs 74LVQ244 Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs The LVQ244 is an octal buffer and line driver designed to be employed as a memory address driver, clock driver and bus oriented transmitter or receiver which provides improved PC board density. s Ideal for low power/low noise 3.3V applications s Implements patented EMI reduction circuitry s Available in SOIC JEDEC, SOIC EIAJ and QSOP pack- ages s Guaranteed simultaneous switching noise level and dynamic threshold performance s Improved latch-up immunity s Guaranteed incident wave switching into s 4 kV minimum ESD immunity Ordering Code: Order Number Package Number Package Description 74LVQ244SC M20B 20-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-013, Wide 74LVQ244SJ M20D 20-Lead Small Outline Package SOP , EIAJ TYPE II, 5.3mm Wide 74LVQ244QSC MQA20 20-Lead Quarter Size Outline Package QSOP , JEDEC MO-137, Wide Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code. Logic Symbol Connection Diagram IEEE/IEC Pin Descriptions Pin Names OE1, OE2 3-STATE Output Enable Inputs Outputs 2001 Fairchild Semiconductor Corporation DS011356 Truth Tables Inputs Outputs Pins 12, 14, 16, 18 L H Z Inputs Outputs Pins 3, 5, 7, 9 H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance 74LVQ244 Absolute Maximum Ratings Note 1 Supply Voltage VCC DC Input Diode Current IIK VI = −0.5V VI = VCC + 0.5V DC Input Voltage VI DC Output Diode Current IOK VO = −0.5V VO = VCC + 0.5V DC Output Voltage VO DC Output Source or Sink Current IO DC VCC or Ground Current ICC or IGND Storage Temperature TSTG DC Latch-Up Source or Sink Current −0.5V to +7.0V −20 mA +20 mA −0.5V to VCC + 0.5V −20 mA +20 mA −0.5V to VCC + 0.5V ±50 mA ±400 mA −65°C to +150°C ±300 mA Recommended Operating Conditions Note 2 Supply Voltage VCC Input Voltage VI Output Voltage VO Operating Temperature TA Minimum Input Edge Rate VIN from 0.8V to 2.0V VCC 3.0V 2.0V to 3.6V 0V to VCC 0V to VCC −40°C to +85°C 125 mV/ns Note 1 The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum ratings. The “Recommended Operating Conditions” table will define the conditions for actual device operation. Note 2 Unused inputs must be held HIGH or LOW. They may not float. DC Electrical Characteristics

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74LVQ244 Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs
74LVQ244 Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs

The LVQ244 is an octal buffer and line driver designed to be employed as a memory address driver, clock driver and bus oriented transmitter or receiver which provides improved PC board density.
s Ideal for low power/low noise 3.3V applications s Implements patented EMI reduction circuitry s Available in SOIC JEDEC, SOIC EIAJ and QSOP pack-
ages s Guaranteed simultaneous switching noise level and
dynamic threshold performance s Improved latch-up immunity s Guaranteed incident wave switching into s 4 kV minimum ESD immunity
Ordering Code:

Order Number Package Number

Package Description
74LVQ244SC

M20B
20-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-013, Wide
74LVQ244SJ

M20D
20-Lead Small Outline Package SOP , EIAJ TYPE II, 5.3mm Wide
74LVQ244QSC

MQA20
20-Lead Quarter Size Outline Package QSOP , JEDEC MO-137, Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.

Logic Symbol

Connection Diagram

IEEE/IEC

Pin Descriptions

Pin Names

OE1, OE2
3-STATE Output Enable Inputs Outputs
2001 Fairchild Semiconductor Corporation DS011356

Truth Tables

Inputs

Outputs

Pins 12, 14, 16, 18 L H Z

Inputs

Outputs

Pins 3, 5, 7, 9

H = HIGH Voltage Level L = LOW Voltage Level

X = Immaterial

Z = High Impedance
74LVQ244

Absolute Maximum Ratings Note 1

Supply Voltage VCC DC Input Diode Current IIK

VI = −0.5V VI = VCC + 0.5V DC Input Voltage VI DC Output Diode Current IOK VO = −0.5V VO = VCC + 0.5V DC Output Voltage VO DC Output Source
or Sink Current IO DC VCC or Ground Current

ICC or IGND Storage Temperature TSTG DC Latch-Up Source or

Sink Current
−0.5V to +7.0V
−20 mA +20 mA −0.5V to VCC + 0.5V
−20 mA +20 mA −0.5V to VCC + 0.5V
±50 mA
±400 mA −65°C to +150°C
±300 mA

Recommended Operating Conditions Note 2

Supply Voltage VCC Input Voltage VI Output Voltage VO Operating Temperature TA Minimum Input Edge Rate

VIN from 0.8V to 2.0V VCC 3.0V
2.0V to 3.6V 0V to VCC 0V to VCC
−40°C to +85°C
125 mV/ns

Note 1 The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum ratings. The “Recommended Operating Conditions” table will define the conditions for actual device operation.

Note 2 Unused inputs must be held HIGH or LOW. They may not float.

DC Electrical Characteristics

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Datasheet ID: 74LVQ244QSCX 513411