74actq657 Fairchild Semiconductor, 74actq657 Datasheet
74actq657
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74actq657 Summary of contents
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... Quiet Series Octal Bidirectional Transceiver with 8-Bit Parity Generator/Checker and 3-STATE Outputs General Description The ACQ/ACTQ657 contains eight non-inverting buffers with 3-STATE outputs and an 8-bit parity generator/ checker. Intended for bus oriented applications, the device combines the 245 and the 280 functions in one package. ...
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Functional Description The Transmit/Receive (T/R) input determines the direction of the data flow through the bidirectional transceivers. Transmit (active HIGH) enables data from the A-Port to the B-Port; Receive (active LOW) enables data from the B-Port to the A-Port. The ...
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Functional Block Diagram Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays. 3 www.fairchildsemi.com ...
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Absolute Maximum Ratings Supply Voltage ( Input Diode Current ( 0. 0. Input Voltage ( Output Diode Current ( ...
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DC Electrical Characteristics for ACQ Symbol Parameter V Quiet Output Minimum OLV Dynamic Minimum HIGH Level Dynamic IHD Input Voltage V Maximum LOW Level Dynamic ILD Input Voltage Note 2: Maximum of 8 outputs loaded; thresholds on ...
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AC Electrical Characteristics for ACQ Symbol Parameter t Propagation Delay PLH PHL Propagation Delay PLH Parity PHL n t Propagation Delay PLH t ODD/EVEN ...
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AC Electrical Characteristics for ACTQ Symbol Parameter t Propagation Delay PLH PHL Propagation Delay PLH Parity PHL n t Propagation Delay PLH t ODD/EVEN ...
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FACT Noise Characteristics The setup of a noise characteristics measurement is critical to the accuracy and repeatability of the tests. The following is a brief description of the setup used to measure the noise characteristics of FACT. Equipment: Hewlett Packard ...
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Physical Dimensions inches (millimeters) unless otherwise noted 24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide Package Number M24B 9 www.fairchildsemi.com ...
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Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right ...