參數(shù)資料
型號: μPD784031(A)
廠商: NEC Corp.
英文描述: 8/16 Bit Single Chip Microcontrollers(8/16 位單片微控制器)
中文描述: 8 / 16位單片機微控制器(8 / 16位單片微控制器)
文件頁數(shù): 61/86頁
文件大?。?/td> 540K
代理商: ΜPD784031(A)
μ
PD784031(A)
61
AC CHARACTERISTICS (T
A
= -40 to +85
°
C, V
DD
= AV
DD
= +2.7 to 5.5 V, V
SS
= AV
SS
= 0 V)
(1) Read/write operation (1/2)
Remarks
T:
T
CYK
(system clock cycle time)
1 (during address wait), otherwise, 0
Number of wait states (n
0)
a:
n:
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Parameter
Address setup time
ASTB high-level width
Address hold time (to ASTB
)
Address hold time (to RD
)
Delay from address to RD
Address float time (to RD
)
Delay from address to data input
Delay from ASTB
to data input
Delay from RD
to data input
Delay from ASTB
to RD
Data hold time (to RD
)
Delay from RD
to address active
Delay from RD
to ASTB
RD low-level width
Address hold time (to WR
)
Delay from address to WR
Delay from ASTB
to data output
Delay from WR
to data output
Delay from ASTB
to WR
Symbol
t
SAST
t
WSTH
t
HSTLA
t
HRA
t
DAR
t
FRA
t
DAID
t
DSTID
t
DRID
t
DSTR
t
HRID
t
DRA
t
DRST
t
WRL
t
HWA
t
DAW
t
DSTOD
t
DWOD
t
DSTW
MIN.
(0.5 + a) T - 15
(0.5 + a) T - 31
(0.5 + a) T - 17
(0.5 + a) T - 40
0.5T - 24
0.5T - 34
0.5T - 14
(1 + a) T - 9
(1 + a) T - 15
0.5T - 9
0
0.5T - 8
0.5T - 12
1.5T - 8
1.5T - 12
0.5T - 17
(1.5 + n) T - 30
(1.5 + n) T - 40
0.5T - 14
(1 + a) T - 5
(1 + a) T - 15
0.5T - 9
MAX.
0
(2.5 + a + n) T - 37
(2.5 + a + n) T - 52
(2 + n) T - 40
(2 + n) T - 60
(1.5 + n) T - 50
(1.5 + n) T - 70
0.5T + 19
0.5T + 35
0.5T - 11
After program
is read
After data is
read
Conditions
V
DD
= +5.0 V
±
10 %
V
DD
= +5.0 V
±
10 %
V
DD
= +5.0 V
±
10 %
V
DD
= +5.0 V
±
10 %
V
DD
= +5.0 V
±
10 %
V
DD
= +5.0 V
±
10 %
V
DD
= +5.0 V
±
10 %
V
DD
= +5.0 V
±
10 %
V
DD
= +5.0 V
±
10 %
V
DD
= +5.0 V
±
10 %
V
DD
= +5.0 V
±
10 %
V
DD
= +5.0 V
±
10 %
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