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54ABT573 Scheda tecnica(PDF) 1 Page - National Semiconductor (TI) |
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54ABT573 Scheda tecnica(HTML) 1 Page - National Semiconductor (TI) |
1 / 12 page 54ABT573 Octal D-Type Latch with TRI-STATE® Outputs General Description The ’ABT573 is an octal latch with buffered common Latch Enable (LE) and buffered common Output Enable (OE) in- puts. This device is functionally identical to the ’ABT373 but has different pinouts. Features n Inputs and outputs on opposite sides of package allow easy interface with microprocessors n Useful as input or output port for microprocessors n Functionally identical to ’ABT373 n TRI-STATE outputs for bus interfacing n Output sink capability of 48 mA, source capability of 24 mA n Output switching specified for both 50 pF and 250 pF loads n Guaranteed latchup protection n High impedance glitch-free bus loading during entire power up and power down n Nondestructive hot insertion capability n Standard Microcircuit Drawing (SMD) 5962-9321901 Ordering Code Military Package Package Description Number 54ABT573J-QML J20A 20-Lead Ceramic Dual-In-Line 54ABT573W-QML W20A 20-Lead Cerpack 54ABT573E-QML E20A 20-Lead Ceramic Leadless Chip Carrier, Type C Connection Diagram Pin Names Description D 0–D7 Data Inputs LE Latch Enable Input (Active HIGH) OE TRI-STATE Output Enable Input (Active LOW) O 0–O7 TRI-STATE Latch Outputs TRI-STATE® is a registered trademark of National Semiconductor Corporation. Pin Assignment for DIP and Cerpack DS100219-1 Pin Assignment for LCC DS100219-39 July 1998 © 1998 National Semiconductor Corporation DS100219 www.national.com |
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