74ACTQ16245MTDX

74ACTQ16245MTDX Datasheet

74ACTQ16245 16-Bit Transceiver with 3-STATE Outputs

Part	Datasheet
74ACTQ16245MTDX	74ACTQ16245MTDX (pdf)

Related Parts	Information
74ACTQ16245SSCX	74ACTQ16245SSCX
74ACTQ16245MTD	74ACTQ16245MTD
74ACTQ16245SSC	74ACTQ16245SSC

PDF Datasheet Preview
74ACTQ16245 16-Bit Transceiver with 3-STATE Outputs 74ACTQ16245 16-Bit Transceiver with 3-STATE Outputs The ACTQ16245 contains sixteen non-inverting bidirectional buffers with 3-STATE outputs and is intended for bus oriented applications. The device is byte controlled. Each has separate control inputs which can be shorted together for full 16-bit operation. The T/R inputs determine the direction of data flow through the device. The OE inputs disable both the A and B ports by placing them in a high impedance state. The ACTQ16245 utilizes Fairchild Quiet technology to guarantee quiet output switching and improved dynamic threshold performance. FACT Quiet features output control for superior performance. s Utilizes Fairchild FACT Quiet Series technology s Guaranteed simultaneous switching noise level and dynamic threshold performance s Guaranteed pin-to-pin output skew s Bidirectional non-inverting buffers s Separate control logic for each byte s 16-bit version of the ACTQ245 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 74ACTQ16245SSC MS48A 48-Lead Small Shrink Outline Package SSOP , JEDEC MO-118, Wide 74ACTQ16245MTD 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 Connection Diagram Pin Description Pin Names OEn T/R Output Enable Input Active LOW Transmit/Receive Input Side A Inputs/Outputs Side B Outputs/Inputs FACT Quiet and are trademarks of Fairchild Semiconductor Corporation. 2005 Fairchild Semiconductor Corporation DS010926 74ACTQ16245 Functional Description The ACTQ16245 contains sixteen non-inverting bidirectional buffers with 3-STATE outputs. The device is byte controlled with each byte functioning identically, but independent of the other. The control pins can be shorted together to obtain full 16-bit operation. The following description applies to each byte. When the T/R input is HIGH, then Bus A data is transmitted to Bus B. When the T/R input is LOW, Bus B data is transmitted to Bus A. The 3-STATE outputs are controlled by an Output Enable OEn input for each byte. 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. Logic Diagram Truth Tables Inputs T/R1 Outputs Bus Data to Bus Data to Bus HIGH-Z State on Inputs T/R2 Outputs H HIGH Voltage Level L LOW Voltage Level X Immaterial Z High Impedance Bus Data to Bus Data to Bus HIGH-Z State on 74ACTQ16245 Absolute Maximum Ratings Note 1 Supply Voltage VCC DC Input Diode Current IIK VI VCC 0.5V DC Output Diode Current IOK VO VCC DC Output Voltage VO DC Output Source/Sink Current IO DC VCC or Ground Current per Output Pin Storage Temperature to 7.0V mA to VCC r 50 mA r 50 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 TA Units Guaranteed Limits

PDF Datasheet Preview

74ACTQ16245 16-Bit Transceiver with 3-STATE Outputs
74ACTQ16245 16-Bit Transceiver with 3-STATE Outputs

The ACTQ16245 contains sixteen non-inverting bidirectional buffers with 3-STATE outputs and is intended for bus oriented applications. The device is byte controlled. Each has separate control inputs which can be shorted together for full 16-bit operation. The T/R inputs determine the direction of data flow through the device. The OE inputs disable both the A and B ports by placing them in a high impedance state.

The ACTQ16245 utilizes Fairchild Quiet technology to guarantee quiet output switching and improved dynamic threshold performance. FACT Quiet features output control for superior performance.
s Utilizes Fairchild FACT Quiet Series technology s Guaranteed simultaneous switching noise level and
dynamic threshold performance s Guaranteed pin-to-pin output skew s Bidirectional non-inverting buffers s Separate control logic for each byte s 16-bit version of the ACTQ245 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
74ACTQ16245SSC

MS48A
48-Lead Small Shrink Outline Package SSOP , JEDEC MO-118, Wide
74ACTQ16245MTD

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

Connection Diagram

Pin Description

Pin Names

OEn T/R

Output Enable Input Active LOW Transmit/Receive Input Side A Inputs/Outputs Side B Outputs/Inputs

FACT Quiet and are trademarks of Fairchild Semiconductor Corporation. 2005 Fairchild Semiconductor Corporation DS010926
74ACTQ16245

Functional Description

The ACTQ16245 contains sixteen non-inverting bidirectional buffers with 3-STATE outputs. The device is byte controlled with each byte functioning identically, but independent of the other. The control pins can be shorted together to obtain full 16-bit operation. The following description applies to each byte. When the T/R input is HIGH, then Bus A data is transmitted to Bus B. When the T/R input is LOW, Bus B data is transmitted to Bus A. The 3-STATE outputs are controlled by an Output Enable OEn input for each byte. 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.

Logic Diagram

Truth Tables

Inputs

T/R1

Outputs

Bus Data to Bus Data to Bus HIGH-Z State on

Inputs

T/R2

Outputs

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

Bus Data to Bus Data to Bus HIGH-Z State on
74ACTQ16245

Absolute Maximum Ratings Note 1

Supply Voltage VCC DC Input Diode Current IIK

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

Storage Temperature
to 7.0V
mA to VCC r 50 mA
r 50 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

TA Units

Guaranteed Limits

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived 74ACTQ16245MTDX Datasheet file may be downloaded here without warranties.

Datasheet ID: 74ACTQ16245MTDX 513199