參數(shù)資料
型號: UPD784021
廠商: NEC Corp.
英文描述: 16/8-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 16/8-BIT單片機
文件頁數(shù): 63/90頁
文件大小: 614K
代理商: UPD784021
63
m
PD784020, 784021
DC CHARACTERISTICS (T
A
= –40 to +85
°
C, V
DD
= AV
DD
= 2.7 to 5.5 V, V
SS
= AV
SS
= 0 V) (1/2)
Notes 1.
X1, X2, RESET, P12/ASCK2/SCK2, P13/RxD2/SI2, P20/NMI, P21/INTP0, P22/INTP1, P23/INTP2/CI,
P24/INTP3, P25/INTP4/ASCK/SCK1, P26/INTP5, P27/SI0, P30/RxD/SI1, P32/SCK0, P33/SO0/SB0,
and TEST
2.
AD0 to AD7 and A8 to A15
3.
P60/A16 to P63/A19, RD, WR, P66/WAIT/HLDRQ, and P67/REFRQ/HLDAK
4.
P00 to P07
5.
P10 to P17
Parameter
Low-level input voltage
High-level input voltage
Low-level output voltage
High-level output voltage
X1 low-level input current
X1 high-level input current
Symbol
V
IL1
V
IL2
V
IL3
V
IH1
V
IH2
V
IH3
V
OL1
V
OL2
V
OH1
V
OH2
I
IL
I
IH
Conditions
Pins other than those described in
Notes 1, 2, 3,
and
4
Pins described in
Notes 1, 2, 3,
and
4
V
DD
= +5.0 V
±
10 %
Pins described in
Notes 2, 3,
and
4
Pins other than those described in
Note 1
Pins described in
Note 1
V
DD
= +5.0 V
±
10 %
Pins described in
Notes 2, 3,
and
4
I
OL
= 2 mA
V
DD
= +5.0 V
±
10 %
I
OL
= 8 mA
Pins described in
Notes 2
and
5
I
OH
= –2 mA
V
DD
= +5.0 V
±
10 %
I
OH
= –5 mA
Pins described in
Note 4
0 V
V
I
V
IL2
V
IH2
V
I
V
DD
Unit
V
V
V
V
V
V
V
V
V
V
m
A
m
A
Min.
–0.3
–0.3
–0.3
0.7V
DD
0.8V
DD
2.2
V
DD
– 1.0
2.0
Typ.
Max.
0.3V
DD
0.2V
DD
+0.8
V
DD
+ 0.3
V
DD
+ 0.3
V
DD
+ 0.3
0.4
1.0
–30
+30
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