參數(shù)資料
型號： UPD75117HGK
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)： 47/66頁
文件大小： 472K
代理商： UPD75117HGK
47
μ
PD75116H,75117H
CAPACITANCE (Ta = 25
°
C, V
DD
= 0 V)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN.
TYP.
MAX.
UNIT
C
IN
C
OUT
15
pF
15
pF
Input capacitance
Output capacitance
Input/output
capacitance
C
IO
f = 1 MHz
Unmeasured pins returned to 0 V
15
pF
OSCILLATION CIRCUIT CHARACTERISTICS (Ta = –40 to +60
°
C, V
DD
= 1.8 to 5.5 V)
RECOMMENDED
CONSTANT
TEST
RESONATOR
PARAMETER
MIN.
TYP.
MAX.
UNIT
CONDITIONS
Ceramic
resonator
After V
DD
reaches
MIN. of oscillation
voltage range
Crystal
resonator
External
clock
2.0
5.0
*4
MHz
4
ms
2.0
4.19
5.0
*4
MHz
10
ms
30
ms
2.0
5.0
*4
MHz
100
250
ns
Oscillator
frequency (f
XX
)
Oscillation
stabilization time
Oscillator
frequency (f
XX
)
Oscillation
stabilization time
X1 input
frequency (f
X
)
X1 input
high-/low-level width
(t
XH
, t
XL
)
X1
X2
μ
PD74HCU04
X1
X2
C1
C2
X1
X2
C1
C2
*5
*1
*1
*2
V
DD
= 4.5 to 5.5 V
V
DD
= 2.7 to 5.5 V
*2
*2
*3
*3
*
1.
When using in V
DD
< 2.7 V, the X2 pin oscillation waveform duty should be set within the range between 40%
and 60%.
t
XXL
(or t
XXH
)
× 100
t
XXL
t
XXH
V
SS
X2 Oscillation
Waveform
V
DD
1
2
V
DD
Duty =
t
XXL
+ t
XXH
2.
Oscillator frequency and X1 input frequency indicate oscillation circuit characteristics only. See AC
CHARACTERISTICS for instruction execution time.
3.
The oscillation stabilization time is the time required for oscillation to stabilize after V
DD
reaches MIN. of
oscillation voltage range or the STOP mode is released.
4.
When the oscillator frequency is 4.19 MHz < f
XX
≤
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
μ
s and the rated MIN. value
of 0.95
μ
s is not observed.
5.
The external clock cannot be used in V
DD
< 2.7 V.
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