參數(shù)資料
型號： UPD754264GS
廠商： NEC Corp.
英文描述： 4-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述： 4位單晶片微控制器
文件頁數(shù)： 51/68頁
文件大?。?/td> 318K
代理商： UPD754264GS
51
μ
PD754264
EEPROM Characteristics (T
A
= –40 to +85
°
C, V
DD
= 1.8 to 6.0 V)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
EEPROM
write current
I
EEW
4.19 MHz,
crystal oscillation
V
DD
= 5.0 V
±
10%
4.5
15
mA
V
DD
= 3.0 V
±
10%
2.0
6
mA
EEPROM
write time
t
EEW
3.8
10.0
ms
EEPROM
overwrite times
EEWT
T
A
= –40 to +50
°
C
100000
times/byte
T
A
= –40 to +85
°
C
60000
times/byte
A/D Converter Characteristics (T
A
= –40 to +85
°
C, V
DD
= 1.8 to 6.0 V, 1.8 V
≤
AV
REF
≤
V
DD
)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Resolution
8
8
8
bit
Absolute Accuracy
Note 1
AV
REF
= V
DD
2.7
≤
V
DD
≤
6.0 V
±
1.5
LSB
1.8
≤
V
DD
< 2.7 V
±
3.0
LSB
AV
REF
≠
V
DD
1.8
≤
V
DD
≤
5.5 V
±
3.0
LSB
1.8
≤
V
DD
≤
6.0 V
±
3.5
LSB
Conversion time
t
CONV
Note 2
168/f
X
μ
s
Sampling time
t
SAMP
Note 3
44/f
X
μ
s
Analog input voltage
V
IAN
V
SS
AV
REF
V
Analog input impedance
R
AN
1000
M
AV
REF
current
I
REF
0.25
2.0
mA
Notes 1.
Absolute error except quantizing error (
±
1/2 LSB)
2.
The time from conversion start instruction execution to conversion end (ECC = 1) (40.1
μ
s: @ f
X
= 4.19-MHz
operation)
3.
The time from conversion start instruction execution to sampling end (10.5
μ
s: @ f
X
= 4.19-MHz operation)
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