Datasheet
Table Of Contents
- 1 Description
- 2 Operation
- 3 Clock operation
- 4 Maximum ratings
- 5 DC and AC parameters
- Table 5. Operating and AC measurement conditions
- Figure 14. AC testing input/output waveform
- Table 6. Capacitance
- Table 7. DC characteristics
- Table 8. Crystal electrical characteristics
- Figure 15. Power down/up mode AC waveforms
- Table 9. Power down/up AC characteristics
- Table 10. Power down/up trip points DC characteristics
- 6 Package mechanical data
- Figure 16. SO8 - 8-lead plastic small outline package outline
- Table 11. SO8 - 8-lead plastic small outline (150 mils body width) package mechanical data
- Figure 17. SOH28 - 28-lead plastic small outline, battery SNAPHAT® package outline
- Table 12. SOH28 - 28-lead plastic small outline, battery SNAPHAT® package mechanical data
- Figure 18. SH - 4-pin SNAPHAT® housing for 48 mAh battery & crystal package outline
- Table 13. SH - 4-pin SNAPHAT® housing for 48 mAh battery & crystal, package mechanical data
- Figure 19. SH - 4-pin SNAPHAT® housing for 120 mAh battery & crystal, package outline
- Table 14. SH - 4-pin SNAPHAT® housing for 120 mAh battery & crystal, package mech. data
- 7 Part numbering
- 8 Environmental information
- 9 Revision history

M41T11 Part numbering
Doc ID 6103 Rev 10 27/30
7 Part numbering
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 15. Ordering information scheme
Example: M41T 11 M 6 F
Device type
M41T
Supply voltage
11 = V
CC
= 2.0 to 5.5 V
(1)
1. SOH28 supply voltage is 3.3 V to 5.5 V.
Package
M = SO8 (150 mil width)
MH
(2)
= SOH28
2. The SOIC package (SOH28) requires the SNAPHAT
®
battery package which is ordered separately (see
Table 16).
Temperature range
6 = –40 to 85°C
Shipping method
F = ECOPACK
®
package, tape & reel
Table 16. SNAPHAT
®
battery table
Part Number Description Package
M4T28-BR12SH Lithium battery (48 mAh) SNAPHAT SH
M4T32-BR12SH Lithium battery (120 mAh) SNAPHAT SH