m48t37v STMicroelectronics, m48t37v Datasheet - Page 27

• Manufacturer Part Number: m48t37v
• Description: 5.0 Or 3.3v, 256 Kbit 32 Kbit X 8 Timekeeper Sram
• Manufacturer: STMicroelectronics

7
Caution:
Part numbering
Table 17.
Example:
Device type
M48T
Supply voltage and write protect voltage
37Y = V
37V = V
Speed
–70 = 70ns (37Y)
–10 = 100ns (37V)
Package
MH
Temperature range
1 = 0 to 70°C
6 = –40 to 85°C
Shipping method
blank = tubes (not for new design - use E)
E = ECOPACK package, tubes
F = ECOPACK package, tape & reel
TR = tape & reel (not for new design - use F)
1. The SOIC package (SOH44) requires the SNAPHAT
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 18.
(1)
separately under the part number “M4TXX-BR12SH” in plastic tube or “M4TXX-BR12SHTR” in
Tape & Reel form (see
M4T28-BR12SH
M4T32-BR12SH
Part Number
= SOH44
CC
CC
= 4.5 to 5.5V; V
= 3.0 to 3.6V; V
Ordering information scheme
SNAPHAT battery table
Table
PFD
PFD
Lithium Battery (120mAh) SNAPHAT
Lithium Battery (48mAh) SNAPHAT
18).
= 4.2 to 4.5V
= 2.7 to 3.0V
Description
M48T
®
37Y
battery package which is ordered
–70
MH
Package
1
SH
SH
E
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