LH540245 Overview
Key Features
- Fast Cycle Times: 20/25/35 ns
- Pin-Compatible Drop-In Replacements for IDT72235B/45B FIFOs 2048 × 18 / 4096 × 18 Synchronous FIFOs
- May be Cascaded for Increased Depth, or Paralleled for Increased Width
- 16 mA-IOL High-Drive Three-State Outputs
- Five Status Flags: Full, Almost-Full, Half-Full, Almost-Empty, and Empty; ‘Almost’ Flags are Programmable
- Choice of IDT-Compatible or Enhanced Operating Mode; Selected by an Input Control Signal
- In Enhanced Operating Mode, Almost-Full, Half-Full, and Almost-Empty Flags can be Made Completely Synchronous
- Internal Memory Array Architecture Based on CMOS
- In Enhanced Operating Mode, Disabling Three-State Outputs May be Made to Suppress Reading