M48T37V-10MH6TR STMicroelectronics, M48T37V-10MH6TR Datasheet - Page 19
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M48T37V-10MH6TR
Manufacturer Part Number
M48T37V-10MH6TR
Description
Manufacturer
STMicroelectronics
Datasheet
1.M48T37V-10MH6TR.pdf
(30 pages)
Specifications of M48T37V-10MH6TR
Bus Type
Parallel
User Ram
32KB
Operating Supply Voltage (typ)
3.3V
Package Type
SOH
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Operating Temperature Classification
Industrial
Operating Temperature (max)
85C
Operating Temperature (min)
-40C
Pin Count
44
Mounting
Surface Mount
Date Format
DW:DM:M:Y
Time Format
HH:MM:SS
Lead Free Status / RoHS Status
Not Compliant
M48T37Y, M48T37V
one volt. These negative spikes can cause data corruption in the SRAM while in battery
backup mode. To protect from these voltage spikes, it is recommended to connect a
Schottky diode from V
1N5817 is recommended for through hole and MBRS120T3 is recommended for surface
mount.
Figure 9.
Figure 10. Crystal accuracy across temperature
Figure 11. Clock calibration
NORMAL
POSITIVE
CALIBRATION
NEGATIVE
CALIBRATION
Frequency (ppm)
–100
–120
–140
–160
–20
–40
–60
–80
20
0
–40
Supply voltage protection
–30
CC
–20
to V
–10
SS
V CC
Doc ID 7019 Rev 9
(cathode connected to V
0.1µF
0
10
Temperature °C
ΔF = -0.038
F
20
T
30
V CC
V SS
0
ppm
= 25 °C
C
2
DEVICE
CC
(T - T
40
, anode to V
0
)
2
50
± 10%
60
SS
Clock operations
). Schottky diode
70
80
AI00594B
AI02169
AI00999
19/30