m48t128y STMicroelectronics, m48t128y Datasheet - Page 13

• Manufacturer Part Number: m48t128y
• Description: 5.0 Or 3.3v, 1 Mbit 128 Kb X 8 Timekeeper Sram
• Manufacturer: STMicroelectronics

Figure 8. Crystal Accuracy Across Temperature
Figure 9. Clock Calibration
NORMAL
POSITIVE
CALIBRATION
NEGATIVE
CALIBRATION
-100
-20
-40
-60
-80
ppm
20
0
0
5
10
F
F = -0.038
15
T
20
0
ppm
= 25 C
C
2
25
(T - T
30
0
)
2
35
10%
40
45
50
55
60
M48T128Y, M48T128V*
65
AI02124
70
C
AI00594B
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