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參數(shù)資料
| 型號(hào)： | M4TXX-BR12SH |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | TIMEKEEPER SNAPHAT Battery & Crystal |
| 中文描述： | 計(jì)時(shí)SNAPHAT電池 |
| 文件頁(yè)數(shù)： | 1/7頁(yè) |
| 文件大?。?/td> | 51K |
| 代理商： | M4TXX-BR12SH |
1/7
November 1999
M4TXX-BR12SH
TIMEKEEPER SNAPHAT (Battery & Crystal)
I
Provides Battery Backup Power for Non-Volatile
TIMEKEEPERs and Controllers in the
SNAPHAT SOIC Package
I
Removable Battery Avoids Heat Associated
with Surface Mount Process
I
Snaps Directly onto Surface-Mounted
SNAPHAT SOIC
I
Choice of Battery Capacities
– M4T28-BR12SH = 48 mAh
– M4T32-BR12SH = 120 mAh
I
Keyed Insertion to Insure Proper Assembly
I
Removable for Replacement and Proper
Disposal
I
Available in Tubes or Tape & Reel
I
For Use with the 28 and 44 pin SOIC Versions
of the TIMEKEEPER Product Families
DESCRIPTION
The M4Txx-BR12SH SNAPHAT top is a detach-
able lithium power source for ST’s non-volatile
TIMEKEEPER surface mount SOIC (MH) pack-
age (28 and 44 pin).
The SNAPHAT top contains both the battery and
crystal and is designed to be "snapped on" after
the SOIC is surface mounted on the PC board.
Thus the two piece solution avoids the battery and
crystal from having to be exposed to the high tem-
peratures of the surface mount process.
SNAPHAT (SH)
Battery & Crystal
Figure 1. Logic Diagram
AI02528
SNAPHAT
VBAT–
VBAT+
X1
X2
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