m48t212a STMicroelectronics, m48t212a Datasheet - Page 18

• Manufacturer Part Number: m48t212a
• Description: 3.3v Timekeeper Controller
• Manufacturer: STMicroelectronics

M48T212A
Table 17. Ordering Information Scheme
Example:
Device Type
M48T
Supply Voltage and Write Protect Voltage
212A = V
Speed
-85 = 85ns
Package
MH = SOH44
Temperature Range
1 = 0 to 70 °C
6 = –40 to 85 °C
Shipping Method for SOIC
blank = Tubes
TR = Tape & Reel
For a list of available options (Speed, Package, etc...) or for further information on any aspect of this de-
vice, please contact the STMicroelectronics Sales Office nearest to you.
Table 18. Revision History
18/20
October 1999
03/01/00
Date
CC
= 3.0V to 3.6V; V
First Issue
SNAPHAT Battery & Crystal removed
Hardware Hookup scheme changed (Figure 3)
Back-Up Mode Alarm Waveforms changed (Figure 10)
Default Values Table added (Table 16)
SOH44 package silhouette, mechanical drawings and mechanical data changed (Figure 14)
PFD
= 2.7V to 3.0V
M48T212A
Revision Details
-85 MH 1
TR