M29W400DT, M29W400DB

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PART NUMBERING

Table 20. Ordering Information Scheme

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 device,

please contact the ST Sales Office nearest to you.

Example:M29W400D

55

N

6

T

Device Type

M29

Operating Voltage

Device Function

400D = 4 Mbit (512Kx8 or 256Kx16), Boot Block

Array Matrix

T = Top Boot

B = Bottom Boot

Speed

45 = 45ns

55 = 55ns

70 = 70ns

Package

M = SO44

N = TSOP48: 12 x 20mm

ZA = TFBGA48: 6 x 9mm

ZE = TFBGA48: 6 x 8mm

Temperature Range

6 = –40 to 85 °C

1 = 0 to 70 °C

Option

Blank = Standard Packing

T = Tape & Reel Packing

E = Lead-free and RoHS Package, Standard Packing

F = Lead-free and RoHS Package, Tape & Reel Packing