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KS57C2308/P2308/C2316/P2316 ELECTRICAL DATA
14-5
Table 14-3. Main System Clock Oscillator Characteristics
(T
A
= – 40
°
C + 85
°
C, V
DD
= 1.8 V to 5.5 V)
Oscillator Clock
Configuration
Parameter Test Condition Min Typ Max Units
Ceramic
Oscillator
X
IN
X
OUT
C1 C2
Oscillation frequency
(1)
– 0.4 – 6.0 MHz
Stabilization time
(2)
Stabilization occurs
when V
DD
is equal to
the minimum oscillator
voltage range.
– – 4 ms
Crystal
Oscillator
C1 C2
X
IN
X
OUT
Oscillation frequency
(1)
– 0.4 – 6.0 MHz
Stabilization time
(2)
V
DD
= 4.5 V to 5.5 V
– – 10 ms
V
DD
= 1.8 V to 4.5 V
– – 30
External
Clock
X
IN
X
OUT
X
IN
input frequency
(1)
– 0.4 – 6.0 MHz
X
IN
input high and low
level width (t
XH
, t
XL
)
– 83.3 – – ns
RC
Oscillator
R
X
IN
X
OUT
Frequency
(1)
V
DD
= 5 V
R = 20 KΩ, V
DD
= 5 V
R = 38 KΩ, V
DD
= 3 V
0.4 –
2.0
1.0
2 MHz
NOTES:
1. Oscillation frequency and X
IN
input frequency data are for oscillator characteristics only.
2. Stabilization time is the interval required for oscillator stabilization after a power-on occurs, or when stop mode is
terminated.