74ACTQ16244MTD

74ACTQ16244MTD Datasheet

74ACTQ16244 16-Bit Buffer/Line Driver with 3-STATE Outputs

Part	Datasheet
74ACTQ16244MTD	74ACTQ16244MTD (pdf)

Related Parts	Information
74ACTQ16244SSC	74ACTQ16244SSC
74ACTQ16244SSCX	74ACTQ16244SSCX
74ACTQ16244MTDX	74ACTQ16244MTDX

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74ACTQ16244 16-Bit Buffer/Line Driver with 3-STATE Outputs 74ACTQ16244 16-Bit Buffer/Line Driver with 3-STATE Outputs The ACTQ16244 contains sixteen non-inverting buffers with 3-STATE outputs designed to be employed as a memory and address driver, clock driver, or bus oriented transmitter/receiver. The device is nibble controlled. Each nibble has separate 3-STATE control inputs which can be shorted together for full 16-bit operation. The ACTQ16244 utilizes Fairchild’s Quiet Series technology to guarantee quiet output switching and improved dynamic threshold performance. FACT Quiet features output control for superior performance. s Utilizes Fairchild’s FACT Quiet Series technology s Guaranteed simultaneous switching noise level and dynamic threshold performance s Guaranteed pin-to-pin output skew s Separate control logic for each byte and nibble s 16-bit version of the ACTQ244 s Outputs source/sink 24 mA s Additional specs for multiple output switching s Output loading specs for both 50 pF and 250 pF loads Ordering Code: Order Number Package Number Package Description 74ACTQ16244SSC MS48A 48-Lead Small Shrink Outline Package SSOP , JEDEC MO-118, Wide 74ACTQ16244MTD MTD48 48-Lead Thin Shrink Small Outline Package TSSOP , JEDEC MO-153, 6.1mm Wide Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code. Logic Symbol Pin Description Pin Names Output Enable Input Active LOW Inputs Outputs FACT Quiet and are trademarks of Fairchild Semiconductor Corporation. 2005 Fairchild Semiconductor Corporation DS010925 74ACTQ16244 Connection Diagram Logic Diagram Functional Description The ACTQ16244 contains sixteen non-inverting buffers with 3-STATE standard outputs. The device is nibble 4 bits controlled with each nibble functioning identically, but independent of the other. The control pins can be shorted together to obtain full 16-bit operation. The 3STATE outputs are controlled by an Output Enable OEn input for each nibble. When OEn is LOW, the outputs are in 2-state mode. When OEn is HIGH, the outputs are in the high impedance mode, but this does not interfere with entering new data into the inputs. Truth Tables Inputs Outputs Inputs Outputs Inputs OE3 L H Outputs Inputs H HIGH Voltage Level L LOW Voltage Level X Immaterial Z High Impedance Outputs 74ACTQ16244 Absolute Maximum Ratings Note 1 Supply Voltage VCC DC Input Diode Current IIK VI 0.5V VI VCC 0.5V DC Output Diode Current IOK VO VCC 0.5V DC Output Voltage VO DC Output Source/Sink Current IO DC VCC or Ground Current per Output Pin Junction Temperature Storage Temperature mA to VCC 0.5V r50 mA r50 mA to Recommended Operating Conditions Supply Voltage VCC Input Voltage VI Output Voltage VO Operating Temperature TA Minimum Input Edge Rate 'V/'t 4.5V to 5.5V 0V to VCC 0V to VCC to 125 mV/ns VIN from 0.8V to 2.0V VCC 4.5V, 5.5V Note 1 Absolute maximum ratings are those values beyond which damage to the device may occur. The databook specifications should be met, without exception to ensure that the system design is reliable over its power supply, temperature, and output/input loading variables. Fairchild does not recommend operation of circuits outside databook specifications. DC Electrical Characteristics Parameter to Units Guaranteed Limits Conditions

PDF Datasheet Preview

74ACTQ16244 16-Bit Buffer/Line Driver with 3-STATE Outputs
74ACTQ16244 16-Bit Buffer/Line Driver with 3-STATE Outputs

The ACTQ16244 contains sixteen non-inverting buffers with 3-STATE outputs designed to be employed as a memory and address driver, clock driver, or bus oriented transmitter/receiver. The device is nibble controlled. Each nibble has separate 3-STATE control inputs which can be shorted together for full 16-bit operation.

The ACTQ16244 utilizes Fairchild’s Quiet Series technology to guarantee quiet output switching and improved dynamic threshold performance. FACT Quiet features output control for superior performance.
s Utilizes Fairchild’s FACT Quiet Series technology s Guaranteed simultaneous switching noise level and
dynamic threshold performance s Guaranteed pin-to-pin output skew s Separate control logic for each byte and nibble s 16-bit version of the ACTQ244 s Outputs source/sink 24 mA s Additional specs for multiple output switching s Output loading specs for both 50 pF and 250 pF loads
Ordering Code:

Order Number Package Number

Package Description
74ACTQ16244SSC

MS48A
48-Lead Small Shrink Outline Package SSOP , JEDEC MO-118, Wide
74ACTQ16244MTD

MTD48
48-Lead Thin Shrink Small Outline Package TSSOP , JEDEC MO-153, 6.1mm Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.

Logic Symbol

Pin Description

Pin Names

Output Enable Input Active LOW Inputs Outputs

FACT Quiet and are trademarks of Fairchild Semiconductor Corporation. 2005 Fairchild Semiconductor Corporation DS010925
74ACTQ16244

Connection Diagram Logic Diagram

Functional Description

The ACTQ16244 contains sixteen non-inverting buffers with 3-STATE standard outputs. The device is nibble 4 bits controlled with each nibble functioning identically, but independent of the other. The control pins can be shorted together to obtain full 16-bit operation. The 3STATE outputs are controlled by an Output Enable OEn input for each nibble. When OEn is LOW, the outputs are in 2-state mode. When OEn is HIGH, the outputs are in the high impedance mode, but this does not interfere with entering new data into the inputs.

Truth Tables

Inputs

Outputs

Inputs

Outputs

Inputs

OE3 L H

Outputs

Inputs

H HIGH Voltage Level L LOW Voltage Level X Immaterial Z High Impedance

Outputs
74ACTQ16244

Absolute Maximum Ratings Note 1

Supply Voltage VCC DC Input Diode Current IIK

VI 0.5V VI VCC 0.5V DC Output Diode Current IOK VO VCC 0.5V DC Output Voltage VO DC Output Source/Sink Current IO DC VCC or Ground Current per Output Pin

Junction Temperature

Storage Temperature
mA to VCC 0.5V r50 mA
r50 mA to

Recommended Operating Conditions

Supply Voltage VCC Input Voltage VI Output Voltage VO Operating Temperature TA Minimum Input Edge Rate 'V/'t
4.5V to 5.5V
0V to VCC 0V to VCC to 125 mV/ns

VIN from 0.8V to 2.0V

VCC 4.5V, 5.5V

Note 1 Absolute maximum ratings are those values beyond which damage to the device may occur. The databook specifications should be met, without exception to ensure that the system design is reliable over its power supply, temperature, and output/input loading variables. Fairchild does not recommend operation of circuits outside databook specifications.

DC Electrical Characteristics

Parameter
to Units

Guaranteed Limits

Conditions

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Datasheet ID: 74ACTQ16244MTD 513198