參數(shù)資料
型號(hào): MB90V595GCR
元件分類(lèi): 微控制器/微處理器
英文描述: 16-BIT, 16 MHz, MICROCONTROLLER, CPGA256
封裝: CERAMIC, PGA-256
文件頁(yè)數(shù): 29/47頁(yè)
文件大?。?/td> 674K
代理商: MB90V595GCR
MB90595/595G Series
35
4.
AC Characteristics
(1) Clock Timing
(VCC
= 5.0 V±10%, VSS = AVSS = 0.0 V, TA = 40 °C to +85 °C)
*: Frequency deviation indicates the maximum frequency difference from the target frequency when using a multi-
plied clock.
Example of Oscillation circuit
Parameter
Symbol Pin name
Value
Unit
Remarks
Min.
Typ.
Max.
Oscillation frequency
fC
X0, X1
3—5
MHz When using an oscillation circuit
3—
16
MHz When using an external clock
Oscillation cycle time
tCYL
X0, X1
200
333
ns
When using an oscillation circuit
62.5
333
ns
When using an external clock
Frequency deviation with
PLL *
f—
5
%
Input clock pulse width
PWH, PWL
X0
10
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
16
MHz
Machine clock cycle time
tCP
62.5
666
ns
Central frequency fO
α
f
α
fo
------
100%
×
=
tCYL
PWH
tCF
PWL
tCR
0.8 VCC
0.2 VCC
X0
Clock Timing
X0
X1
R
C1
C2
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