Datasheet

Part numbering M41ST85W
40/43 Doc ID 7531 Rev 11
7 Part numbering
Table 20. Ordering information scheme
Caution: Do not place the SNAPHAT
®
battery package “M4Txx-BR12SH” in conductive foam as it will
drain the lithium button-cell battery.
For other options, or for more information on any aspect of this device, please contact the ST sales office
nearest you.
Table 21. SNAPHAT
®
battery/crystal table
Example: M41ST 85W MH 6 E
Device type
M41ST
Supply voltage and write protect voltage
85W = V
CC
= 2.7 to 3.6 V; 2.55V ≤ V
PFD
≤ 2.70 V
Package
MH
(1)
= SOH28
1. The 28-pin SOIC package (SOH28) requires the SNAPHAT
®
battery/crystal package which is ordered
separately under the part number “M4TXX-BR12SHx” in plastic tube (see Table 21).
MX
(2)
= SOX28
2. The SOX28 package includes an embedded 32,768 Hz crystal.
Temperature range
6 = –40 to 85°C
Shipping method
For SOH28:
E = ECOPACK
®
package, tubes
(3)
3. Not recommended for new design. Contact local ST sales office for availability.
F = ECOPACK
®
package, tape & reel
For SOX28:
Blank = ECOPACK
®
package, tubes
(3)
TR = ECOPACK
®
package, tape & reel
Part number Description Package
M4T28-BR12SH Lithium battery (48 mAh) and crystal SNAPHAT
®
top SH
M4T32-BR12SH Lithium battery (120 mAh) and crystal SNAPHAT
®
top SH