參數(shù)資料
型號： KS88C9408
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： 8-Bit CMOS Microcontroller(8位 CMOS 微控制器)
中文描述： 8位CMOS微控制器（8位的CMOS微控制器）
文件頁數(shù)： 8/12頁
文件大?。?/td> 73K
代理商： KS88C9408
KS88C9408
PRELIMINARY DATA SHEET
8
Table 4. A.C. Electrical Characteristics
(T
A
= –25
°
C to + 70
°
C, V
DD
= 2.7 V to 5.5 V)
Parameter
Low-frequency detection
frequency
(1)
High-frequency detection
frequency
(1)
External clock frequency
Symbol
f
LFD
Conditions
V
DD
= 5 V
Min
200
Typ
500
Max
800
Unit
kHz
f
HFD
V
DD
= 5 V
7
10
12
MHz
f
CPU
t
CW
t
RSL
t
E
t
W
t
S
CPU clock
1
3.57
5
MHz
External clock duty
(1)
RST Low level width
(1)
EEPROM erase time
Clock width
45
50
55
%
—
5
—
—
μs
—
—
1.5
—
ms
EEPROM write time
—
—
1.5
—
ms
EEPROM data retention
time
(1)
EEPROM endurance
(erase/write cycles)
(1)
Rise time, fall time
(1)
—
10
—
—
Years
n
E/W
—
100,000
—
—
Cycles
t
R,
t
F
SIO
C
IN
= 30 pF, C
OUT
= 30 pF
RST
C
IN
= 30 pF, C
OUT
= 30 pF
CLK
(2)
C
IN
= 30 pF, C
OUT
= 30 pF
—
—
1
μs
1
0.5
×
9%
NOTES
:
1.
2.
Data for these parameters are for product verification purposes only.
The rise time, fall time data for CLK assumes 9% of the period with a maximum time of 0.5 μs. This condition is
represented by the formula, 0.09
×
1 / f
CLK
.
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