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Part Name(s) : 74ACQ657CW Fairchild
Fairchild Semiconductor
Description : Quiet Series™ Octal Bidirectional Transceiver with 8-Bit Parity Generator/Checker and 3-STATE Outputs View

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.
The ACQ/ACTQ utilizes Fairchild Quiet Series™ technology to guarantee Quiet output switching and improved dynamic threshold performance. FACT Quiet Series features GTO™ output control and undershoot corrector in addition to a split ground bus or superior performance.

Features
■ Guaranteed simultaneous switching noise level and
   dynamic threshold performance
■ Guaranteed pin-to-pin skew AC performance
■ Combines the 245 and the 280 functions in one package
■ 300 mil 24-pin slim dual-in-line package
■ Outputs source/sink 24 mA
■ ACTQ has TTL-compatible inputs

Part Name(s) : 74ACQ657 74ACTQ657 74ACTQ657CW 74ACTQ657SC 74ACTQ657SPC 74ACQ657SPC 74ACTQ657SCX 74ACTQ657SPCX Fairchild
Fairchild Semiconductor
Description : Quiet Series™ Octal Bidirectional Transceiver with 8-Bit Parity Generator/Checker and 3-STATE Outputs View

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.
The ACQ/ACTQ utilizes Fairchild Quiet Series™ technology to guarantee Quiet output switching and improved dynamic threshold performance. FACT Quiet Series features GTO™ output control and undershoot corrector in addition to a split ground bus or superior performance.

Features
■ Guaranteed simultaneous switching noise level and
   dynamic threshold performance
■ Guaranteed pin-to-pin skew AC performance
■ Combines the 245 and the 280 functions in one package
■ 300 mil 24-pin slim dual-in-line package
■ Outputs source/sink 24 mA
■ ACTQ has TTL-compatible inputs

Part Name(s) : 74F657SC 74F657SCX 74F657SPC 74F657 Fairchild
Fairchild Semiconductor
Description : Octal Bidirectional Transceiver with 8-Bit Parity Generator/Checker and 3-STATE Outputs View

General Description
The 74F657 contains eight non-inverting buffers with 3- STATE outputs and an 8-Bit Parity Generator/Checker. It is intended for bus-oriented applications.
   
Features
■ 300 Mil 24-pin slimline DIP
■ Combines 74F245 and 74F280A functions in one
    package
3-STATE outputs
■ B Outputs sink 64 mA
■ 12 mA source current, B side
■ Input diodes for termination effects
   

Part Name(s) : HD74LS280 HD74LS280FPEL HD74LS280P Renesas
Renesas Electronics
Description : 9-bit Odd / Even Parity Generator / Checker View

9-bit Odd / Even Parity Generator / Checker



This Parity generator / checker offers the designer a trade-off between reduced power consumption and high

performance. Although the HD74LS280 is implemented without expander inputs, the corresponding function is

provided by the availability of an input at pin 4 and the absence of any internal connection at pin 3.



Part Name(s) : 74AC11286 74AC11286D 74AC11286DR 74AC11286N TI
Texas Instruments
Description : 9-BIT Parity Generator/Checker with BUS DRIVER Parity I/O PORTS View

description
The 74AC11286 universal 9-bit Parity Generator/Checker features a local output for Parity checking and a bus-driving Parity I/O port for Parity generation/checking. The word-length capability is easily expanded by cascading.

• Generates Either Odd or Even Parity for Nine Data Lines
• Cascadable for n-Bits Parity
• Direct Bus Connection for Parity Generation or for Checking by Using the Parity I/O Port
• Flow-Through Architecture Optimizes PCB Layout
• Center-Pin VCC and GND Configurations Minimize High-Speed Switching Noise
• EPIC™ (Enhanced-Performance Implanted CMOS) 1-m Process
• 500-mA Typical Latch-Up Immunity at 125°C
• Package Options Include Plastic Small-Outline Packages and Standard Plastic 300-mil DIPs

Part Name(s) : 74F899 74F899SC 74F899QC 74F899SCX 74F899QCX Fairchild
Fairchild Semiconductor
Description : 9-Bit Latchable Transceiver with Parity Generator/Checker View

General Description
The 74F899 is a 9-bit to 9-bit Parity Transceiver with transparent latches. The device can operate as a feed-through Transceiver or it can generate/check Parity from the 8-Bit data busses in either direction. It has a guaranteed current sinking capability of 24 mA at the A-bus and 64 mA at the B-bus.

Features
■ Latchable Transceiver with output sink of 24 mA at the A-bus and 64 mA at the B-bus
■ Option to select generate Parity and check or “feed-through” data/Parity in directions A-to-B or B-to-A
■ Independent latch enables for A-to-B and B-to-A directions
■ Select pin for ODD/EVEN Parity
■ ERRA and ERRB output pins for Parity checking
■ Ability to simultaneously generate and check Parity
■ May be used in systems applications in place of the 74F543 and 74F280
■ May be used in system applications in place of the 74F657 and 74F373 (no need to change T/R to check Parity)

Part Name(s) : 74ACT899 74ACT899CW 74ACT899QC 74ACT899QCX 74ACT899SC Fairchild
Fairchild Semiconductor
Description : 9-Bit Latchable Transceiver with Parity Generator/Checker View

General Description
The ACT899 is a 9-bit to 9-bit Parity Transceiver with transparent latches. The device can operate as a feed-through Transceiver or it can generate/check Parity from the 8-Bit data busses in either direction. The ACT899 features independent latch enables for the A-to-B direction and the B-toA direction, a select pin for ODD/EVEN Parity, and separate error signal output pins for checking Parity.

Features
■ Latchable Transceiver with output sink of 24 mA
■ Option to select generate Parity and check or “feed-through” data/Parity in directions A-to-B or B-to-A
■ Independent latch enable for A-to-B and B-to-A directions
■ Select pin for ODD/EVEN Parity
■ ERRA and ERRB output pins for Parity checking
■ Ability to simultaneously generate and check Parity
■ May be used in system applications in place of the 280
■ May be used in system applications in place of the 657 and 373 (no need to change T/R to check Parity)

Part Name(s) : CD40101BMS Intersil
Intersil
Description : CMOS 9-Bit Parity Generator/Checker View

Description

The CD40101BMS is a 9-bit (8 data bits plus 1 Parity bit) Parity Generator/Checker. It may be used to detect errors in data transmission or data retrieval. Odd and even outputs facilitate odd or even Parity generation and checking.

When used as a Parity generator, a Parity bit is supplied along with the data to generate an even or odd Parity output.

When used as a Parity checker, the received data bits and Parity bits are compared for correct Parity. The even or odd outputs are used to indicate an error in the received data.



Features

• High Voltage Type (20V Rating)

• 100% Tested for Quiescent Current at 20V

• 5V, 10V and 15V Parametric Ratings

• Maximum Input Current of 1µA at 18V Over Full Package Temperature Range; 100nA at 18V and +25oC

• Noise Margin (Over Full Package/Temperature Range)

   - 1V at VDD = 5V

   - 2V at VDD = 10V

   - 2.5V at VDD = 15V

• Standardized Symmetrical Output Characteristics

• Meets All Requirements of JEDEC Tentative Standard No. 13B, “Standard Specifications for Description of ‘B’ Series CMOS Devices”



 


Part Name(s) : MC54F280J MC54F280 MC74F280D MC74F280 MC74F280N Motorola
Motorola => Freescale
Description : 9-BIT Parity Generator/Checker View

9-BIT Parity Generator/Checker

The MC54/74F280 is a high-speed Parity Generator/Checker that accepts nine bits of input data and detects whether an even or an odd number of these inputs is HIGH. If an even number of inputs is HIGH, the Sum Even output is HIGH. If an odd number is HIGH, the Sum Even output is LOW. The Sum Odd output is the complement of the Sum Even output.

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