MB96650 Datasheet, PDF (42/65 Pages) Cypress Semiconductor – F2MC-16FX CPU

MB96650 Series
14.4 AC Characteristics
14.4.1 Main Clock Input Characteristics
(VCC = AVCC = 2.7V to 5.5V, VD=1.8V±0.15V, VSS = AVSS = 0V, TA = - 40°C to + 125°C)
Parameter
Input frequency
Symbol
Pin name
Min
4
fC
X0,
-
X1
4
Value
Typ
-
Max
8
-
8
-
8
Unit
MHz
MHz
MHz
Remarks
When using a crystal oscillator,
PLL off
When using an opposite phase
external
clock, PLL off
When using a crystal oscillator
or opposite
phase external clock, PLL on
Input frequency
When using a single phase
-
-
8
MHz
external
clock in “Fast Clock Input
mode”, PLL off
fFCI
X0
When using a single phase
4
-
8
MHz
external
clock in “Fast Clock Input
mode”, PLL on
Input clock cycle
tCYLH
-
Input clock pulse width
PWH,
PWL
-
125
-
-
ns
55
-
-
ns
Document Number: 002-04707 Rev.*A
Page 42 of 65