MB9B320TA datasheet(90/141 Pages) SPANSION

90 / 141 page

D a t a S h e e t

January 30, 2015, MB9B320TA_DS706-00062-2v0-E

CONFIDENTIAL

(3) Built-in CR Oscillation Characteristics

・ Built-in High-speed CR

(VCC = 2.7V to 5.5V, VSS = 0V, Ta = - 40°C to + 105°C)

Parameter

Symbol

Conditions

Value

Unit

Remarks

Min

Typ

Max

Clock frequency

FCRH

Ta = + 25°C,

3.6V < VCC ≤ 5.5V

3.92

4.08

MHz

When trimming*

Ta = 0°C to + 85°C,

3.6V < VCC ≤ 5.5V

3.9

4.1

Ta = -40°C to + 105°C,

3.6V < VCC ≤ 5.5V

3.88

4.12

Ta = + 25°C,

2.7V ≤ V

CC ≤ 3.6V

3.94

4.06

Ta = - 20°C to + 85°C,

2.7V ≤ V

CC ≤ 3.6V

3.92

4.08

Ta = - 20°C to + 105°C,

2.7V ≤ V

CC ≤ 3.6V

3.9

4.1

Ta = -40°C to + 105°C,

2.7V ≤ V

CC ≤ 3.6V

3.88

4.12

Ta = - 40°C to + 105°C

2.8

5.2

When not trimming

Frequency

stability time

tCRWT

μs

*1 : In the case of using the values in CR trimming area of Flash memory at shipment for frequency/temperature

trimming.

*2 : Frequency stable time is time to stable of the frequency of the High-speed CR.

clock after the trim value is set. After setting the trim value, the period when the frequency stability

time passes can use the High-speed CR clock as a source clock.

・ Built-in Low-speed CR

(VCC = 2.7V to 5.5V, VSS = 0V, Ta = - 40°C to + 105°C)

Parameter

Symbol

Conditions

Value

Unit

Remarks

Min

Typ

Max

Clock frequency

FCRL

100

150

kHz

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