Datasheet

M41ST87Y, M41ST87W Part numbering
Doc ID 9497 Rev 10 51/54
7 Part numbering
Table 24. Ordering information scheme
For other options, or for more information on any aspect of this device, please contact the
ST sales office nearest you.
Example: M41ST 87Y MX 6 TR
Device type
M41ST
Supply voltage and write protect voltage
87Y
(1)
= V
CC
= 4.75 to 5.5 V
1. Not recommended for new design. Contact ST sales office for availability.
THS bit = '1': 4.50 V V
PFD
4.75 V
V
CC
= 4.5 to 5.5 V
THS bit = '0': 4.20 V V
PFD
4.50 V
87W = V
CC
= 3.0 to 3.6 V;
THS bit = '1': 2.80 V V
PFD
3.00 V
V
CC
= 2.7 to 3.6 V;
THS bit = '0': 2.55 V V
PFD
2.70 V
Package
MX
(2)(3)
= SOX28
2. The SOX28 package includes an embedded 32,768 Hz crystal.
3. Lead-free second level interconnect and RoHS compliant (by exemption).
SS
(4)
= SSOP20
4. Available in 3.3 V (W) version only.
Temperature range
6 = –40 to 85 °C
Shipping method
For SOX28:
Blank = ECOPACK
®
package, tubes (Not for new design - use TR)
(1)
TR = ECOPACK
®
package, tape & reel
For SSOP20:
F = ECOPACK
®
package, tape & reel