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CY54FCT574ATLMB
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Texas Instruments
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Octal Edge-Triggered D-Type Flip-Flops with 3-State Outputs 20-LCCC -55 to 125 | 
 
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CY74FCT2574ATQCT
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Texas Instruments
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Octal D-Type Registers with 3-State Outputs and Series Damping Resistors 20-SSOP -40 to 85 | 
 
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PCF8574ADW
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Texas Instruments
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Remote 8-Bit I/O Expander for I2C-Bus 16-SOIC -40 to 85 | 
 
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PCF8574APWG4
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Texas Instruments
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Remote 8-Bit I/O Expander for I2C-Bus 20-TSSOP -40 to 85 | 
 
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SN74ABT574APWR
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Texas Instruments
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Octal Edge-Triggered D-Type Flip-Flops With 3-State Outputs 20-TSSOP -40 to 85 | 
 
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