參數(shù)資料
型號(hào)： UPD75112CW
廠商： NEC Corp.
英文描述： 4-Bit Single Chip-Microcomputer
中文描述： 4位單片微機(jī)
文件頁(yè)數(shù)： 40/56頁(yè)
文件大?。?/td> 499K
代理商： UPD75112CW
40
μ
PD75112(A), 75116(A)
Oscillate Characteristics
(Ta = –40 to +85
°
C, V
DD
= 2.7 to 6.0 V)
X1
X2
Oscillator
Ceramic
oscillation
Crystal
oscillator
External
clock
MAX.
5.0
*3
5.0
*3
5.0
*3
250
TYP.
4.19
MIN.
2.0
4
2.0
10
30
2.0
100
Test Condition
V
DD
= oscillation
voltage range
Oscillation voltage
range MIN.
V
DD
= 4.5 to 6.0 V
Recommended Constant
Parameter
Oscillator frequency
(f
XX
)
*1
Oscillation stabilizing
time
*2
Oscillator frequency
(f
XX
)
*1
Oscillation stabilizing
time
*2
X1 input
frequency
(f
X
)
*1
X1 input high and low
level widths (t
XH
, t
XL
)
Unit
MHz
ms
MHz
ms
ms
MHz
ns
μ
PD74HCU04
X1
X2
C2
C1
X1
X2
C2
C1
*1
: Oscillator frequency and X1 input frequency indicate only
characteristics of the oscillator. Refer to AC characteristics
for the instruction execution time.
2
: The oscillation stabilizing time is necessary for oscillation
to stabilize after V
DD
reaches oscillation voltage range MIN.
or the STOP mode is released.
3
: When the oscillator frequency is 4.19 MHz < f
XX
≤
5.0 MHz,
PCC=0011 should not be selected as instruction execution
time. If PCC=0011 is selected, 1 machine cycle becomes
less than 0.95
μ
s, with the result that the specified MIN.
value of 0.95
μ
s cannot be observed.
#
Note: When using the main system clock oscillator,
wiring in the area enclosed with the dotted line
should be carried out as follows to avoid an
adverse effect from wiring capacitance.
Wiring should be as short as possible.
Wiring should not cross other signal lines.
Wiring should not be placed close to a vary-
ing high current.
The potential of the oscillator capacitor
ground should be the same as V
SS
.
Do not ground wiring to a ground pattern in
which a high current flows.
Do not fetch a signal from the oscillator.
#
相關(guān)PDF資料
PDF描述
UPD75112GF 4-Bit Single Chip-Microcomputer
UPD75112GFA 4-Bit Single Chip-Microcomputer
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UPD75116A 4-Bit Single Chip-Microcomputer
UPD75116CW 4-Bit Single Chip-Microcomputer
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