參數(shù)資料
型號(hào): μPD78056F
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8 Bit Single Chip Microcontrollers
中文描述: 8位單片機(jī)微控制器
文件頁(yè)數(shù): 47/76頁(yè)
文件大?。?/td> 571K
代理商: ΜPD78056F
47
μ
PD78056F, 78058F
Parameter
Symbol
Test Conditions
MIN.
MAX.
Unit
ASTB high-level width
t
ASTH
t
CY
– 80
ns
Address setup time
t
ADS
t
CY
– 80
ns
Address hold time
t
ADH
0.4t
CY
– 10
ns
Data input time from address
t
ADD1
(3+2n)t
CY
–160
ns
t
ADD2
(4+2n)t
CY
–200
ns
Data input time from RD
t
RDD1
(1.4+2n)t
CY
–70
ns
t
RDD2
(2.4+2n)t
CY
–70
ns
Read data hold time
t
RDH
0
ns
RD low-level width
t
RDL1
(1.4+2n)t
CY
–20
ns
t
RDL2
(2.4+2n)t
CY
–20
ns
WAIT
input time from RD
t
RDWT1
t
CY
–100
ns
t
RDWT2
2t
CY
–100
ns
WAIT
input time from WR
t
WRWT
2t
CY
–100
ns
WAIT low-level width
t
WTL
(1+2n)t
CY
(2+2n)t
CY
ns
Write data setup time
t
WDS
(2.4+2n)t
CY
–60
ns
Write data hold time
t
WDH
20
ns
WR low-level width
t
WRL
(2.4+2n)t
CY
–20
ns
RD
delay time from ASTB
t
ASTRD
0.4t
CY
–30
ns
WR
delay time from ASTB
t
ASTWR
1.4t
CY
–30
ns
ASTB
delay time from
RD
in external fetch
t
RDAST
t
CY
–10
t
CY
+ 20
ns
Address hold time from
RD
in external fetch
t
RDADH
t
CY
– 50
t
CY
+ 50
ns
Write data output time from RD
t
RDWD
0.4t
CY
– 20
ns
Write data output time from WR
t
WRWD
0
60
ns
Address hold time from WR
t
WRADH
t
CY
t
CY
+ 60
ns
RD
delay time from WAIT
t
WTRD
0.6t
CY
+ 180
2.6t
CY
+ 180
ns
WR
delay time from WAIT
t
WTWR
0.6t
CY
+ 120
2.6t
CY
+ 120
ns
(b) Except when MCS = 1, PCC2 to PCC0 = 000B (T
A
= –40 to + 85
°
C, V
DD
= 2.7 to 6.0 V)
Remarks
1.
2.
3.
4.
MCS: Oscillation mode selection register (OSMS) bit 0
PCC2 to PCC0: Processor clock control register (PCC) bit 2 to bit 0
t
CY
= T
CY
/4
n indicates the number of waits.
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