鈻?/div>
SUPPLY VOLTAGE
鈥?V
DD
= 1.65V to 2.2V Core Power Supply
鈥?V
DDQ
= 1.65V to 2.2V for Input/Output
鈥?V
PP
= 12V for fast Program (optional)
ACCESS TIME: 100ns
PROGRAMMING TIME
鈥?10碌s typical
鈥?Double Word Programming Option
COMMON FLASH INTERFACE
鈥?64 bit Security Code
MEMORY BLOCKS
鈥?Parameter Blocks (Top or Bottom
location)
鈥?Main Blocks
BLOCK LOCKING
鈥?All blocks locked at Power Up
鈥?Any combination of blocks can be locked
鈥?WP for Block Lock-Down
SECURITY
鈥?64 bit user Programmable OTP cells
鈥?64 bit unique device identifier
鈥?One Parameter Block Permanently
Lockable
AUTOMATIC STAND-BY MODE
PROGRAM and ERASE SUSPEND
100,000 PROGRAM/ERASE CYCLES per
BLOCK
ELECTRONIC SIGNATURE
鈥?Manufacturer Code: 20h
鈥?Top Device Code, M28R400CT: 882Ah
鈥?Bottom Device Code, M28R400CB:
882Bh
Figure 1. Delivery Form
Wafer
June 2004
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