GENERAL DESCRIPTION
FEATURES
s Inputs and outputs on opposite sides of package allowing easy interface with microprocessors s Useful as input or output port for microprocessors s Functionally identical to DM74LS373 s Input clamp diodes limit high speed termination effects s Fully TTL and CMOS compatible Ordering Code: Order Number DM74LS573WM DM74LS573N Package Number M20B N20A Package DESCRIPTION
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Logic Symbol Connection Diagram VCC = Pin 20 GND = Pin 10 Pin Descriptions Pin Names D0–D7 LE OE O0–O7 Data Inputs Latch Enable Input (Active HIGH) 3-STATE Output Enable Input (Active LOW) 3-STATE Latch Outputs DESCRIPTION
Function Tables Output Enable L L L H Latch Enable H H L X D H L X X Output O H L QO Z L = LOW State H = HIGH State X = Don't...
Fairchild Semiconductor
