PART NUMBERING
Table 12. Ordering Information Scheme
Example:
M40SZ
100Y
M40SZ100Y, M40SZ100W
MQ
6
TR
Device Type
M40SZ
Supply Voltage and Write Protect Voltage
100Y = VCC = 4.5 to 5.5V; VPFD = 4.2 to 4.5V
100W = VCC = 2.7 to 3.6V; VPFD = 2.6 to 2.7V
Package
MQ = SO16
MH(1,2) = SOH28
Temperature Range
6 = –40 to 85°C
Shipping Method for SOIC
blank = Tubes
TR = Tape & Reel
Note: 1. The SOIC package (SOH28) requires the battery package (SNAPHAT®) which is ordered separately under the part number
“M4ZXX-BR00SHX” in plastic tube or “M4ZXX-BR00SHXTR” in Tape & Reel form.
2. Contact Local Sales Office
Caution: Do not place the SNAPHAT battery package “M4Zxx-BR00SH” in conductive foam as it will drain the lithium button-cell bat-
tery.
For a list of available options (e.g., Speed, Package) or for further information on any aspect of this device,
please contact the ST Sales Office nearest to you.
Table 13. SNAPHAT® Battery Table
Part Number
Description
M4Z28-BR00SH SNAPHAT Housing for 48mAh Battery
M4Z32-BR00SH SNAPHAT Housing for 120mAh Battery
Package
SH
SH
17/19