m4t28-br12sh6tr STMicroelectronics, m4t28-br12sh6tr Datasheet - Page 14

• Manufacturer Part Number: m4t28-br12sh6tr
• Description: 64 Kbit 8kb X8 Timekeeper Sram With Address/data Multiplexed
• Manufacturer: STMicroelectronics

M48T559Y
Table 13. Ordering Information Scheme
Example:
Device Type
M48T
Supply Voltage and Write Protect Voltage
559Y = V
Package
MH
Temperature Range
1 = 0 to 70 °C
Shipping Method for SOIC
blank = Tubes
TR = Tape & Reel
Note: 1. The SOIC package (SOH28) requires the battery/crystal package (SNAPHAT) which is ordered separately under the part number
For a list of available options (Speed, Package, etc...) or for further information on any aspect of this de-
vice, please contact the ST Sales Office nearest to you.
Table 14. Revision History
14/18
June 1998
02/07/00
(1)
Caution: Do not place the SNAPHAT battery/crystal package "M4T28-BR12SH1" in conductive foam since will drain the lithium button-cell
= SOH28
Date
"M48T28-BR12SH1" in plastic tube or "M4T28-BR12SH1TR" in Tape & Reel form.
CC
= 4.5V to 5.5V; V
battery.
First Issue
Description Paragraph changed
Setting Alarm Clock paragraph changed
M4T28-BR12SH SNAPHAT Housing for 48mAh Battery & Crystal Package added (Table 16)
Power Down/Up Mode AC Waveforms changed (Figure 5)
Back-up Mode Alarm Waveforms changed (Figure 11)
PFD
= 4.2V to 4.5V
M48T559Y
Revision Details
MH 1
TR