19/25

M29W400BT, M29W400BB

Table 18. Ordering Information Scheme

Table 19. Daisy Chain Ordering 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 de-

vice, please contact the ST Sales Office nearest to you.

Example:

M29W400BB

55

N

1

T

Device Type

M29

Operating Voltage

Device Function

400B = 4 Mbit (x8/x16), Boot Block

Array Matrix

T=TopBoot

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

ZA = TFBGA48: 0.8mm pitch

Temperature Range

1 = 0 to 70 °C

6 = –40 to 85 °C

Option

T = Tape & Reel Packing

Example:

M29

DCL1-4

T

Device Type

M29

Daisy Chain

DCL1-4 = Daisy Chain Level 1 for 4 Mbit parts

Option

T = Tape & Reel Packing