M28W640 STMicroelectronics, M28W640 Datasheet - Page 33

• Manufacturer Part Number: M28W640
• Description: 64 Mbit 4Mb x16/ Boot Block 3V Supply Flash Memory
• Manufacturer: STMicroelectronics

PART NUMBERING
Table 21. Ordering Information Scheme
Example:
Device Type
M28
Operating Voltage
W = V
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:
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.
DD
= 2.7V to 3.6V; V
DDQ
= 1.65V or 2.7V
M28W640CT
M28W640C
-ZB T
90
N
M28W640CT, M28W640CB
6
T
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