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M28W640CT Datasheet, PDF (33/54 Pages) STMicroelectronics – 64 Mbit 4Mb x16, Boot Block 3V Supply Flash Memory
M28W640CT, M28W640CB
PART NUMBERING
Table 21. Ordering Information Scheme
Example:
M28W640CT
90 N 6 T
Device Type
M28
Operating Voltage
W = VDD = 2.7V to 3.6V; VDDQ = 1.65V or 2.7V
Device Function
640C = 64 Mbit (4 Mb x16), Boot Block
Array Matrix
T = Top Boot
B = Bottom Boot
Speed
80 = 80 ns
90 = 90 ns
Package
N = TSOP48: 12 x 20 mm
ZB = TFBGA48: 0.75 mm pitch
Temperature Range
1 = 0 to 70 °C
6 = –40 to 85 °C
Option
T = Tape & Reel Packing
Table 22. Daisy Chain Ordering Scheme
Example:
M28W640C
-ZB T
Device Type
M28W640C
Daisy Chain
-ZB = TFBGA48: 0.75 mm pitch
Option
T = Tape & Reel Packing
Note: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.
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