S3A3 datasheet(59/139 Pages) RENESAS

59 / 139 page

R01DS0307EU0100 Rev.1.00

Page 59 of 139

Mar 7, 2017

S3A3

2. Electrical Characteristics

2.3.2

Clock Timing

Table 2.22

Clock timing (1 of 2)

Parameter

Symbol

Min

Typ

Max

Unit

Test conditions

EBCLK pin output cycle time

VCC = 2.7 V or above

tBcyc

83.3

Figure 2.26

VCC = 1.8 V or above

125

VCC = 1.6 V or above

500

EBCLK pin output high pulse

width

VCC = 2.7 V or above

tCH

VCC = 1.8 V or above

VCC = 1.6 V or above

150

EBCLK pin output low pulse width

VCC = 2.7 V or above

tCL

VCC = 1.8 V or above

VCC = 1.6 V or above

150

EBCLK pin output rise time

VCC = 2.7 V or above

tCr

VCC = 2.4 V or above

VCC = 1.8 V or above

VCC = 1.6 V or above

EBCLK pin output fall time

VCC = 2.7 V or above

tCf

VCC = 2.4 V or above

VCC = 1.8 V or above

VCC = 1.6 V or above

EXTAL external clock input cycle time

tXcyc

Figure 2.27

EXTAL external clock input high pulse width

tXH

EXTAL external clock input low pulse width

tXL

EXTAL external clock rising time

tXr

EXTAL external clock falling time

tXf

EXTAL external clock input wait time*1

tEXWT

0.3

μs-

EXTAL external clock input frequency

fEXTAL

MHz

2.4 ≤ VCC ≤ 5.5

1.8 ≤ VCC < 2.4

1.6 ≤ VCC < 1.8

Main clock oscillator oscillation frequency

fMAIN

MHz

2.4 ≤ VCC ≤ 5.5

1.8 ≤ VCC < 2.4

1.6 ≤ VCC < 1.8

Main clock oscillation stabilization wait time (crystal)*9

tMAINOSCWT

-*9

LOCO clock oscillation frequency

fLOCO

27.8528

32.768

37.6832

kHz

LOCO clock oscillation stabilization time

tLOCO

100

μs

Figure 2.28

IWDT-dedicated clock oscillation frequency

fILOCO

12.75

17.25

kHz

MOCO clock oscillation frequency

fMOCO

6.88

9.2MHz

MOCO clock oscillation stabilization time

tMOCO

μs-

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