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M68AW256M
PART NUMBERING
Table 13. Ordering Information Scheme
For a list of available options (Speed, Package, etc...) or for further information on any aspect of this de-
vice, please contact the STMicroelectronics Sales Office nearest to you.
Example: M68AW256 M L 55 ZB 6 T
Device Type
M68
Mode
A = Asynchronous
Operating Voltage
W = 2.7 to 3.6V
Array Organization
256 = 4 Mbit (256K x16)
Option 1
M = 1 Chip Enable; Write and Standby from UB and LB
Option 2
L = L-Die
N = N-Die
Speed Class
55 = 55 ns
70 = 70 ns
Package
ND = TSOP 44 Type II
ZH = TFBGA48 6x8mm - 6x8 ball array,
0.75 mm pitch
ZB= TFBGA48 7x8mm - 6x8 ball array,
0.75 mm pitch
Operative Temperature
1 = 0 to 70 °C
6 = –40 to 85 °C
Shipping
Blank = Standard Packing (Tray)
T = Tape & Reel Packing
E = Lead-Free Package, Standard Packing (Tray)
F = Lead-Free Package, Tape and Reel Packing
