m48t37v STMicroelectronics, m48t37v Datasheet - Page 19

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

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
–20
V CC
–10
0.1 F
0
10
Temperature C
F
F = -0.038
20
V CC
V SS
T
30
0
ppm
= 25 C
C
DEVICE
2
(T - T
40
AI02169
0
)
2
50
10%
60
70
80
AI00999
AI00594B
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