參數(shù)資料
型號(hào)： UPD780338
廠商： NEC Corp.
元件分類： 8位微控制器
英文描述： 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述： 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁(yè)數(shù)： 34/66頁(yè)
文件大?。?/td> 565K
代理商： UPD780338
μ
PD78F0034A, 78F0034AY
34
Data Sheet U14040EJ4V0DS
(2) Read/write operation
(T
A
=
–
40 to +85
°
C, V
DD
= 2.7 to 4.0 V)
(2/3)
Parameter
Symbol
Conditions
MIN.
MAX.
Unit
ASTB high-level width
t
ASTH
0.3t
CY
ns
Address setup time
t
ADS
30
ns
Address hold time
t
ADH
10
ns
Input time from address to data
t
ADD1
(2 + 2n)t
CY
–
108
ns
t
ADD2
(3 + 2n)t
CY
–
120
ns
Output time from RD
↓
to address
t
RDAD
0
200
ns
Input time from RD
↓
to data
t
RDD1
(2 + 2n)t
CY
–
148
ns
t
RDD2
(3 + 2n)t
CY
–
162
ns
Read data hold time
t
RDH
0
ns
RD low-level width
t
RDL1
(1.5 + 2n)t
CY
–
40
ns
t
RDL2
(2.5 + 2n)t
CY
–
40
ns
Input time from RD
↓
to WAIT
↓
t
RDWT1
t
CY
–
75
ns
t
RDWT2
t
CY
–
60
ns
Input time from WR
↓
to WAIT
↓
t
WRWT
t
CY
–
50
ns
WAIT low-level width
t
WTL
(0.5 + 2n)t
CY
+ 10
(2 + 2n)t
CY
ns
Write data setup time
t
WDS
60
ns
Write data hold time
t
WDH
10
ns
WR low-level width
t
WRL1
(1.5 + 2n)t
CY
–
30
ns
Delay time from ASTB
↓
to RD
↓
t
ASTRD
10
ns
Delay time from ASTB
↓
to WR
↓
t
ASTWR
2t
CY
–
30
ns
Delay time from RD
↑
to ASTB
↑
in
external fetch
t
RDAST
0.8t
CY
–
30
1.2t
CY
ns
Hold time from RD
↑
to address in
external fetch
t
RDADH
0.8t
CY
–
30
1.2t
CY
+ 60
ns
Write data output time from RD
↑
t
RDWD
40
ns
Write data output time from WR
↓
t
WRWD
20
120
ns
Hold time from WR
↑
to address
t
WRADH
0.8t
CY
–
30
1.2t
CY
+ 60
ns
Delay time from WAIT
↑
to RD
↑
t
WTRD
0.5t
CY
2.5t
CY
+ 50
ns
Delay time from WAIT
↑
to WR
↑
t
WTWR
0.5t
CY
2.5t
CY
+ 50
ns
Remarks 1.
t
CY
= T
CY
/4
2.
n indicates the number of waits.
3.
C
L
= 100 pF (C
L
is the load capacitance of the AD0 to AD7, A8 to A15, RD, WR, WAIT, and ASTB
pins.)
相關(guān)PDF資料
PDF描述
UPD780344 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
UPD780344Y 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
UPD78F0034AYGK-9ET 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
UPD78F0034ACW 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
UPD78F0034AGB-8EU 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UPD78043A041 制造商:Panasonic Industrial Company 功能描述:IC
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UPD78043F016 制造商:Panasonic Industrial Company 功能描述:IC
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