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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