參數(shù)資料
型號： UPD7554ACSA
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)： 37/64頁
文件大?。?/td> 991K
代理商： UPD7554ACSA
37
μ
PD7554A, 7554A(A)
RESONATOR CHARACTERISTICS
μ
PD7554A
μ
PD7554A(A) : T
a
= –40 to +85
°
C, V
DD
= 2.7 to 6.0 V
: T
a
= –10 to +70
°
C, V
DD
= 2.7 to 6.0 V
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
V
DD
= 5 V
±
10%
R = 56 k
±
2 %
400
500
600
kHz
f
CC
V
DD
= 3 V
±
10%
R = 100 k
±
2%
200
250
300
kHz
f
C
Duty = 50%
V
DD
= 4.5 to 6.0 V
10
710
kHz
10
350
kHz
t
CR
, t
CF
0.2
μ
s
t
CH
, t
CL
V
DD
= 4.5 to 6.0 V
0.7
50
μ
s
1.45
50
μ
s
RESONATOR CHARACTERISTICS (T
a
= –10 to +70
°
C, V
DD
= 2.5 to 3.3 V)
Note
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
f
CC
R = 150 k
±
2%
140
180
220
kHz
R = 150 k
±
2%
V
DD
= 2.5 V
140
175
210
kHz
System clock input
frequency (CL1)
f
C
Duty = 50 %
10
250
kHz
CL1 input rising
and falling time
t
CR
, t
CF
0.2
μ
s
CL1 input high/low
level duration
t
CH
, t
CL
2
50
μ
s
RESONATOR CHARACTERISTICS (T
a
= –10 to +70
°
C, V
DD
= 2.0 to 3.3 V)
Note
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
f
CC
R = 240 k
±
2%
65
120
145
kHz
R = 240 k
±
2%
V
DD
= 2.0 V
65
100
130
kHz
System clock input
frequency (CL1)
f
C
Duty = 50 %
10
150
kHz
CL1 input rising
and falling time
t
CR
, t
CF
0.2
μ
s
CL1 input high/low
level duration
t
CH
, t
CL
3.3
50
μ
s
Note
μ
PD7554A only
The following circuits are recommended:
RC oscillation
External clock
CL1
CL2
PD7554A
μ
CL1
CL2
PD7554A
μ
R
CMOS
Leave Open
System clock oscilla-
tor frequency (CL1 and
CL2)
System clock oscilla-
tor frequency (CL1 and
CL2)
System clock oscilla-
tor frequency (CL1 and
CL2)
System clock input fre-
quency (CL1)
CL1 input rising and
falling time
CL1 input high/low
level duration
相關(guān)PDF資料
PDF描述
UPD7554AGA 4-BIT SINGLE-CHIP MICROCOMPUTER
UPD7554A 4-BIT SINGLE-CHIP MICROCOMPUTER
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UPD7554ACS 4-BIT SINGLE-CHIP MICROCOMPUTER
UPD7554AG 4-BIT SINGLE-CHIP MICROCOMPUTER
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