M48T35(2011) 데이터 시트보기 (PDF) - STMicroelectronics

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M48T35
(Rev.:2011)

5 V, 256 Kbit (32 Kb x 8) TIMEKEEPER® SRAM

STMicroelectronics 

M48T35, M48T35Y

Figure 8. Crystal accuracy across temperature

ppm

20

Clock operations

0

-20

-40

-60

ΔF

F

= -0.038

ppm

C2

(T

-

T0)2

±

10%

T0 = 25 °C

-80

-100

0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 °C

AI02124

Figure 9. Clock calibration

NORMAL

POSITIVE

CALIBRATION

NEGATIVE

CALIBRATION

AI00594B

Doc ID 2611 Rev 10

15/28

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