MB2146-301A Fujitsu Microelectronics, Inc., MB2146-301A Datasheet - Page 36

• Manufacturer Part Number: MB2146-301A
• Description: 8-bit Microcontrollers
• Manufacturer: Fujitsu Microelectronics, Inc.

36
MB95130MB Series
4. AC Characteristics
(1) Clock Timing
Clock frequency
Clock cycle time
Input clock pulse width
Input clock rise/fall time
Parameter
Sym-
t
t
t
t
bol
F
t
t
F
HCYL
LCYL
t
WH1
WL1
WH2
WL2
t
CR
CF
CH
CL
Pin name
X0A, X1A
X0A, X1A
X0, X0A
X0, X1
X0, X1
X0A
X0
Condi-
(V
tion
⎯
CC
= 2.42 V to 5.0 V, AV
1.00
1.00
3.00
3.00
3.00
3.00
61.5
30.8
61.5
Min
⎯
⎯
⎯
⎯
⎯
32.768
32.768
Value
30.5
15.2
Typ
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
16.25
32.50
10.00
1000
1000
Max
8.13
6.50
4.06
SS
⎯
⎯
⎯
⎯
⎯
5
= V
SS
MHz
MHz When using external clock
MHz Main PLL multiplied by 1
MHz Main PLL multiplied by 2
MHz Main PLL multiplied by 2.5
MHz Main PLL multiplied by 4
Unit
kHz
kHz
= 0.0 V, T
ns
ns
ns
ns
µs
µs
When using main
oscillation circuit
When using sub
oscillation circuit
When using sub PLL
V
When using main
oscillation circuit
When using external clock
When using sub
oscillation circuit
When using external clock
duty ratio is about 30% to
70%.
When using external clock
CC
A
= 2.3 V to 3.6 V
= − 40 °C to + 85 °C)
Remarks