M29W400BT STMICROELECTRONICS [STMicroelectronics], M29W400BT Datasheet - Page 18

• Manufacturer Part Number: M29W400BT
• Description: 4 Mbit 512Kb x8 or 256Kb x16, Boot Block Low Voltage Single Supply Flash Memory
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M29W400BT, M29W400BB
Table 18. Ordering Information Scheme
M29W400BB
Example:
55
N
1
T
Device Type
M29
Operating Voltage
W = V
= 2.7 to 3.6V
CC
Device Function
400B = 4 Mbit (512Kb x8 or 256Kb x16), Boot Block
Array Matrix
T = Top Boot
B = Bottom Boot
Speed
55 = 55 ns
70 = 70 ns
90 = 90 ns
120 = 120 ns
Package
N = TSOP48: 12 x 20 mm
M = SO44
Temperature Range
1 = 0 to 70 C
6 = –40 to 85 C
Optio n
T = Tape & Reel Packing
Note: The last two characters of the ordering code may be replaced by a letter code for preprogrammed
parts, otherwise devices are shipped from the factory with the memory content bits erased to ’1’.
For a list of available options (Speed, Package, etc...) or for further information on any aspect of this de-
vice, please contact the ST Sales Office nearest to you.
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