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While latch-enable (LE) input is high, the Q\ outputs follow the complements of the data (D) inputs. When LE is taken low, the Q\ outputs are latched at the inverses of the levels set up at the D inputs. The 74AS533 is functionally equivalent to the 74AS373, except for having inverted outputs.
A buffered output-enable (OE) input places the eight outputs in either a normal logic state (high or low logic levels) or a high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and increased drive provide the capability to drive bus lines without interface or pullup components.
OE does not affect the internal operations of the latches. Old data can be retained or new data can be entered while the outputs are off. The 74AS533 is characterized for operation from 0°C to 70°C.
Features:
Eight Latches in a Single Package
3-State Bus-Driving Inverting Outputs
Full Parallel Access for Loading
Buffered Control Inputs
PNP Inputs Reduce dc Loading onData Lines
20 pin DIP. Actual brand may vary from picture.
G12495
G12495 - 74AS533 Octal D-Type Transparent Latch
Detailed Description
These 8-bit D-type transparent latches feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. They are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.While latch-enable (LE) input is high, the Q\ outputs follow the complements of the data (D) inputs. When LE is taken low, the Q\ outputs are latched at the inverses of the levels set up at the D inputs. The 74AS533 is functionally equivalent to the 74AS373, except for having inverted outputs.
A buffered output-enable (OE) input places the eight outputs in either a normal logic state (high or low logic levels) or a high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and increased drive provide the capability to drive bus lines without interface or pullup components.
OE does not affect the internal operations of the latches. Old data can be retained or new data can be entered while the outputs are off. The 74AS533 is characterized for operation from 0°C to 70°C.
Features:
Eight Latches in a Single Package
3-State Bus-Driving Inverting Outputs
Full Parallel Access for Loading
Buffered Control Inputs
PNP Inputs Reduce dc Loading onData Lines
20 pin DIP. Actual brand may vary from picture.
G12495
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov - Why is this here?
