M28R400CT Datasheet, PDF (1/50 Pages) STMicroelectronics – 4 Mbit (256Kb x16, Boot Block) 1.8V Supply Flash Memory

M28R400CT
M28R400CB
4 Mbit (256Kb x16, Boot Block)
1.8V Supply Flash Memory
FEATURES SUMMARY
s 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)
s ACCESS TIMES: 90ns, 120ns
s PROGRAMMING TIME
– 10µs typical
– Double Word Programming Option
s COMMON FLASH INTERFACE
– 64 bit Security Code
s MEMORY BLOCKS
– Parameter Blocks (Top or Bottom location)
– Main Blocks
s BLOCK LOCKING
– All blocks locked at Power Up
– Any combination of blocks can be locked
– WP for Block Lock-Down
s SECURITY
– 64 bit user Programmable OTP cells
– 64 bit unique device identifier
– One Parameter Block Permanently Lockable
s AUTOMATIC STAND-BY MODE
s PROGRAM and ERASE SUSPEND
s 100,000 PROGRAM/ERASE CYCLES per
BLOCK
s ELECTRONIC SIGNATURE
– Manufacturer Code: 20h
– Top Device Code, M28R400CT: 882Ah
– Bottom Device Code, M28R400CB: 882Bh
Figure 1. Packages
FBGA
TFBGA46 (ZB)
6.39 x 6.37mm
March 2003
1/50