參數(shù)資料
型號(hào)： UPD75304BGK
廠商： NEC Corp.
英文描述： 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述： 4位單片機(jī)
文件頁數(shù)： 47/76頁
文件大?。?/td> 572K
代理商： UPD75304BGK
μ
PD75304B,75306B,75308B
47
MAIN SYSTEM CLOCK OSCILLATOR CHARACTERISTICS (Ta = –40 to +85
°
C, V
DD
= 2.0 to 6.0 V)
RECOMMENDED
CONSTANT
TEST
RESONATOR
PARAMETER
MIN.
TYP.
MAX.
UNIT
CONDITIONS
Oscillator
frequency (f
x
)
*1
After V
DD
reached the
MIN. of the
oscillation
voltage
range
Oscillation
stabilization time
*2
Oscillator
frequency (f
x
)
*1
V
DD
= 4.5
to 6.0 V
Oscillation
stabilization time
*2
30
ms
X1 input
frequency (f
x
)
*1
X1 input
high-/low-level
100
500
ns
width (t
XH
, t
XL
)
4
ms
1.0
5.0
*3
MHz
1.0
4.19
5.0
*3
MHz
1.0
5.0
*3
MHz
*
1.
The oscillator frequency and X1 input frequency indicate only the oscillator characteristics. For the
instruction execution time refer to the AC characteristics.
2.
The oscillation stabilization time is necessary for oscillation to stabilize after applying V
DD
or releasing the
STOP mode.
3.
When the oscillation frequency is 4.19 MHz < f
X
≤
5.0 MHz, PCC = 0011 should not be selected as the
instruction execution time. If PCC = 0011 is selected, one machine cycle is less than 0.95 s, and the
specification MIN. value of 0.95
μ
s will not be achieved.
10
ms
Ceramic
resonator
*3
Crystal
resonator
*3
External
clock
#
X1
X2
C2
C1
V
DD
X1
X2
μ
PD74HCU04
X1
X2
C2
C1
V
DD
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