74ABT16245CMTD

74ABT16245CMTD Datasheet

74ABT16245 16-Bit Transceiver with 3-STATE Outputs

Part	Datasheet
74ABT16245CMTD	74ABT16245CMTD (pdf)

Related Parts	Information
74ABT16245CSSC	74ABT16245CSSC
74ABT16245CSSCX	74ABT16245CSSCX
74ABT16245CMTDX	74ABT16245CMTDX

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74ABT16245 16-Bit Transceiver with 3-STATE Outputs 74ABT16245 16-Bit Transceiver with 3-STATE Outputs The ABT16245 contains sixteen non-inverting bidirectional buffers with 3-STATE outputs and is intended for bus oriented applications. The device is byte controlled. Each byte 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. s Bidirectional non-inverting buffers s Separate control logic for each byte s 16-bit version of the ABT245 s A and B output sink capability of 64 mA, source capability of 32 mA s Guaranteed output skew s Guaranteed multiple output switching specifications s Output switching specified for both 50 pF and 250 pF loads s Guaranteed simultaneous switching noise level and dynamic threshold performance s Guaranteed latchup protection s High impedance glitch free bus loading during entire power up and power down cycle s Non-destructive hot insertion capability Ordering Code: Order Number Package Number Package Description 74ABT16245CSSC MS48A 48-Lead Small Shrink Outline Package SSOP , JEDEC MO-118, Wide 74ABT16245CMTD 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 Descriptions Pin Names OEn T/Rn Description Output Enable Input Active LOW Transmit/Receive Input Side A Inputs/Outputs Side B Inputs/Outputs 2005 Fairchild Semiconductor Corporation DS010986 74ABT16245 Truth Tables Logic Diagrams Inputs Outputs T/R1 Bus Data to Bus Bus Data to Bus HIGH-Z State on 7 Inputs Outputs T/R2 H HIGH Voltage Level L LOW Voltage Level X Immaterial Z High Impedance Bus Data to Bus 15 Bus Data to Bus 15 HIGH-Z State on 15 Functional Description The ABT16245 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. 74ABT16245 Absolute Maximum Ratings Note 1 Storage Temperature Ambient Temperature under Bias Junction Temperature under Bias VCC Pin Potential to Ground Pin Input Voltage Note 2 Input Current Note 2 mA to mA Voltage Applied to Any Output in the Disabled or Power-Off State to 5.5V in the HIGH State Current Applied to Output to VCC in LOW State Max DC Latchup Source Current twice the rated IOL mA Over Voltage Latchup I/O

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74ABT16245 16-Bit Transceiver with 3-STATE Outputs
74ABT16245 16-Bit Transceiver with 3-STATE Outputs

The ABT16245 contains sixteen non-inverting bidirectional buffers with 3-STATE outputs and is intended for bus oriented applications. The device is byte controlled. Each byte 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.
s Bidirectional non-inverting buffers s Separate control logic for each byte s 16-bit version of the ABT245 s A and B output sink capability of 64 mA, source
capability of 32 mA s Guaranteed output skew s Guaranteed multiple output switching specifications s Output switching specified for both 50 pF and
250 pF loads s Guaranteed simultaneous switching noise level and
dynamic threshold performance s Guaranteed latchup protection s High impedance glitch free bus loading during entire
power up and power down cycle s Non-destructive hot insertion capability
Ordering Code:

Order Number Package Number

Package Description
74ABT16245CSSC

MS48A
48-Lead Small Shrink Outline Package SSOP , JEDEC MO-118, Wide
74ABT16245CMTD

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 Descriptions

Pin Names

OEn T/Rn

Description Output Enable Input Active LOW Transmit/Receive Input Side A Inputs/Outputs Side B Inputs/Outputs
2005 Fairchild Semiconductor Corporation DS010986
74ABT16245

Truth Tables

Logic Diagrams

Inputs

Outputs

T/R1

Bus Data to Bus

Bus Data to Bus

HIGH-Z State on 7

Inputs

Outputs

T/R2

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

Bus Data to Bus 15 Bus Data to Bus 15 HIGH-Z State on 15

Functional Description

The ABT16245 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.
74ABT16245

Absolute Maximum Ratings Note 1

Storage Temperature

Ambient Temperature under Bias

Junction Temperature under Bias

VCC Pin Potential to Ground Pin Input Voltage Note 2

Input Current Note 2
mA to mA

Voltage Applied to Any Output
in the Disabled or

Power-Off State
to 5.5V
in the HIGH State Current Applied to Output
to VCC
in LOW State Max DC Latchup Source Current
twice the rated IOL mA

Over Voltage Latchup I/O

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Datasheet ID: 74ABT16245CMTD 513033