Datasheet Summary
LH540235/45
Features
- Fast Cycle Times: 20/25/35 ns
- Pin-patible 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-patible or Enhanced Operating
Mode; Selected by an Input Control Signal
- Device es Up into One of Two Known Default
States at Reset Depending on the State of the EMODE Control Input: Programming is Allowed, but is not Required
- In Enhanced Operating Mode, Almost-Full,
Half-Full, and...