參數(shù)資料
型號: μPD78056Y
廠商: NEC Corp.
英文描述: 8Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述: 8位單芯片微控制器(8位單片微控制器)
文件頁數(shù): 48/74頁
文件大?。?/td> 574K
代理商: ΜPD78056Y
48
μ
PD78052Y, 78053Y, 78054Y, 78055Y, 78056Y, 78058Y
Parameter
Symbol
Test Conditions
MIN.
MAX.
Unit
ASTB high-level width
t
ASTH
V
DD
= 2.7 to 6.0 V
t
CY
– 80
ns
t
CY
– 150
ns
Address setup time
t
ADS
V
DD
= 2.7 to 6.0 V
t
CY
– 80
ns
t
CY
– 150
ns
Address hold time
t
ADH
V
DD
= 2.7 to 6.0 V
0.4t
CY
– 10
ns
0.37t
CY
– 40
ns
Data input time from address
t
ADD1
V
DD
= 2.7 to 6.0 V
(3 + 2n)t
CY
– 160
ns
(3 + 2n)t
CY
– 320
ns
t
ADD2
V
DD
= 2.7 to 6.0 V
(4 + 2n)t
CY
– 200
ns
(4 + 2n)t
CY
– 300
ns
Data input time from RD
t
RDD1
V
DD
= 2.7 to 6.0 V
(1.4 + 2n)t
CY
– 70
ns
(1.37 + 2n)t
CY
– 120
ns
t
RDD2
V
DD
= 2.7 to 6.0 V
(2.4 + 2n)t
CY
– 70
ns
(2.37 + 2n)t
CY
– 120
ns
Read data hold time
t
RDH
0
ns
RD low-level width
t
RDL1
V
DD
= 2.7 to 6.0 V
(1.4 + 2n)t
CY
– 20
ns
(1.37 + 2n)t
CY
– 20
ns
t
RDL2
V
DD
= 2.7 to 6.0 V
(2.4 + 2n)t
CY
– 20
ns
(2.37 + 2n)t
CY
– 20
ns
WAIT
input time from RD
t
RDWT1
V
DD
= 2.7 to 6.0 V
t
CY
– 100
ns
t
CY
– 200
ns
t
RDWT2
V
DD
= 2.7 to 6.0 V
2t
CY
– 100
ns
2t
CY
– 200
ns
WAIT
input time from WR
t
WRWT
V
DD
= 2.7 to 6.0 V
2t
CY
– 100
ns
2t
CY
– 200
ns
WAIT low-level width
t
WTL
(1 + 2n)t
CY
(2 + 2n)t
CY
ns
Write data setup time
t
WDS
V
DD
= 2.7 to 6.0 V
(2.4 + 2n)t
CY
– 60
ns
(2.37 + 2n)t
CY
– 100
ns
Write data hold time
t
WDH
20
ns
WR low-level width
t
WRL
V
DD
= 2.7 to 6.0 V
(2.4 + 2n)t
CY
– 20
ns
(2.37 + 2n)t
CY
– 20
ns
RD
delay time from ASTB
t
ASTRD
V
DD
= 2.7 to 6.0 V
0.4t
CY
– 30
ns
0.37t
CY
– 50
ns
WR
delay time from ASTB
t
ASTWR
V
DD
= 2.7 to 6.0 V
1.4t
CY
– 30
ns
1.37t
CY
– 50
ns
(b) Except when MCS = 1, PCC2 to PCC0 = 000B (T
A
= –40 to +85
°
C, V
DD
= 2.0 to 6.0 V)
(1/2)
Remarks 1.
MCS: Oscillation mode selection register (OSMS) bit 0
2.
PCC2 to PCC0: Processor clock control register (PCC) bit 2 to 0
3.
t
CY
= T
CY
/4
4.
n indicates the number of waits.
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