參數(shù)資料
型號： MB90F474LPF
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 12 MHz, MICROCONTROLLER, PQFP100
封裝： PLASTIC, QFP-100
文件頁數(shù)： 14/118頁
文件大小： 1199K
代理商： MB90F474LPF
MB90470 Series
110
Use of the X0/X1, X0A/X1A Pins
Sample use of external clock input
6.
Flash Memory Program/Erase Characteristics
Parameter
Conditions
Value
Unit
Remarks
Min
Typ
Max
Sector erase time
TA
= + 25 °C
VCC
= 3.3 V
1
15
s
Excludes 00H programming prior erasure
Chip erase time
7
s
Excludes 00H programming prior erasure
Word (16-bit)
programming time
16
3600
s
Excludes system-level overhead
Erase/Program cycle
1000
cycle
Data hold time
100000
h
X1
C2
C3
C4
C1
X0
X0A
X1A
Pull-up
resistance 1
Pull-up
resistance 2
Damping
resistance 1
Damping
resistance 2
Use with a crystal oscillator
In normal use (VCC
= 2 V or higher)
Pull-up resistance 1, 2
Damping resistance 1, 2
C1 to C4
For all pins, consult regarding
manufacturer of oscillator.
(Sample operation using VCC
= 2 V,
f
= 5 MHz or less)
Pull-up resistance 1
= 5.1 k
Pull-up resistance 2
= 510 k
Damping resistance 1
= 0
Damping resistance 2
= 39 k
C1
= C2 = 22 pF
C3
= C4 = 30 pF
X0
X1
OPEN
MB90470 series
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