GENERAL DESCRIPTION
The MR27V401E is a 4 Mbit electrically One Time Programmable Read-Only Memory organized as 524,288-word × 8-bit. The MR27V401E supports high speed asynchronous read operation using a single 3.3V power supply.

FEATURES
· 524,288-word × 8-bit
· +3.3 V power supply
· Access time 70 nS MAX
· Operating current 25 mA MAX
· Standby current 50 µA MAX
· Input/Output TTL compatible
· Three-state output
· Packages:
             32-pin plastic SOP (SOP32-P-525-1.27-K) (MR27V401EMA)
             32-pin plastic TSOP (TSOP(1)32-P-0814-0.50-1K) (MR27V401ETA)
             32-pin plastic DIP (DIP32-P-600-2.54) (MR27V401ERA)