M28R400CT
M28R400CB
4 Mbit (256Kb x16, Boot Block)
1.8V Supply Flash Memory
FEATURES SUMMARY
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SUPPLY VOLTAGE
– V
DD
= 1.65V to 2.2V Core Power Supply
– V
DDQ
= 1.65V to 2.2V for Input/Output
– V
PP
= 12V for fast Program (optional)
ACCESS TIMES: 90ns, 120ns
PROGRAMMING TIME
– 10µs typical
– Double Word Programming Option
COMMON FLASH INTERFACE
– 64 bit Security Code
MEMORY BLOCKS
– Parameter Blocks (Top or Bottom
location)
– Main Blocks
BLOCK LOCKING
– All blocks locked at Power Up
– Any combination of blocks can be locked
– WP for Block Lock-Down
SECURITY
– 64 bit user Programmable OTP cells
– 64 bit unique device identifier
– One Parameter Block Permanently
Lockable
AUTOMATIC STAND-BY MODE
PROGRAM and ERASE SUSPEND
100,000 PROGRAM/ERASE CYCLES per
BLOCK
ELECTRONIC SIGNATURE
– Manufacturer Code: 20h
– Top Device Code, M28R400CT: 882Ah
– Bottom Device Code, M28R400CB:
882Bh
Figure 1. Package
FBGA
TFBGA46 (ZB)
6.39 x 6.37mm
June 2004
1/48
NUMONYX [ NUMONYX B.V ]
