參數(shù)資料
型號(hào)： MB90947APF
廠商： FUJITSU LTD
元件分類(lèi)： 微控制器/微處理器
英文描述： 16-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP100
封裝： 14 X 20 MM, 3.35 MM HEIGHT, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁(yè)數(shù)： 38/72頁(yè)
文件大?。?/td> 1586K
代理商： MB90947APF
MB90945 Series
DS07-13741-3E
43
4.
AC Characteristics
(1) Clock Timing
(TA
= 40 °C to +105 °C, VCC = 3.5V to 5.5 V, VSS = AVSS = 0 V)
Parameter
Sym-
bol
Pin
Value
Unit
Remarks
Min
Typ
Max
CS2 = 0 CS2 = 1
Clock
frequency
fC
X0, X1
3
88
MHz ×
1/2 (When PLL stops)
When using an oscillation circuit
4
8
MHz PLL
× 1 When using an oscillation circuit
4
8
MHz PLL
× 2 When using an oscillation circuit
4
6.67
MHz PLL
× 3 When using an oscillation circuit
4
5
6
MHz PLL
× 4 When using an oscillation circuit
4
4
MHz PLL
× 6 When using an oscillation circuit
X0
3
12
MHz ×
1/2 (When PLL stops)
When using an external circuit
4
12
MHz PLL
× 1 When using an external circuit
4
10
12
MHz PLL
× 2 When using an external circuit
4
6.67
MHz PLL
× 3 When using an external circuit
4
5
6
MHz PLL
× 4 When using an external circuit
4
4
MHz PLL
× 6 When using an external circuit
Clock
cycle time
tCYL
X0, X1
125
333
ns
When using an oscillation circuit
X0, X1 83.33
333
ns
When using an external clock
Input clock
pulse width
PWH,
PWL
X0
20
ns
Duty ratio is about 30
% to 70%.
Input clock
rise and fall
time
tCR,
tCF
X0
5
ns
When using external clock
Machine clock
frequency
fCP
1.5
24
MHz Except programming or erasing Flash memory.
1.5
20
MHz
When programming or erasing Flash memory.
Be sure that the maximum momentary
frequency Fmax does not exceed 20MHz.
Machine clock
cycle time
tCP
41.67
666
ns
Except programming or erasing Flash memory.
50
666
ns
When programming or erasing Flash memory.
X0
tCYL
tCF
tCR
0.8 VCC
0.2 VCC
PWH
PWL
Clock Timing
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