M93S66, M93S56, M93S46

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PART NUMBERING

Table 24. Ordering Information Scheme

Note: 1. ST strongly recommends the use of the Automotive Grade devices for use in an automotive environment. The High Reliability Cer-

tified Flow (HRCF) is described in the quality note QNEE9801. Please ask your nearest ST sales office for a copy.

2. Available only on new products: identified by the Process Identification letter W or G.

Devices are shipped from the factory with the

memory content set at all 1s (FFh).

For a list of available options (speed, package,

etc.) or for further information on any aspect of this

device, please contact your nearest ST Sales Of-

fice.

Table 25. How to Identify Current and New Products by the Process Identification Letter

Note: 1. This example comes from the S08 package. Other packages have similar information. For further information, please ask your ST

Sales Office for Process Change Notice PCN MPG/EE/0059 (PCEE0059).

Example:

M93S66

–

W MN

6

T

P

Device Type

M93 = MICROWIRE serial access EEPROM (x16) with

Block Protection

Device Function

66 = 4 Kbit (256 x 16)

56 = 2 Kbit (128 x 16)

46 = 1 Kbit (64 x 16)

Operating Voltage

Package

BN = PDIP8

MN = SO8 (150 mil width)

DW = TSSOP8 (169 mil width)

Device Grade

6 = Industrial: device tested with standard test flow over –40 to 85 °C

Option

blank = Standard Packing

T = Tape & Reel Packing

Plating Technology

blank = Standard SnPb plating

P = Lead-Free and RoHS compliant

M93S46W6

AYWWF (or AYWWM)

M93S46W6

AYWWW (or AYWWG)