參數(shù)資料
型號: μPD70P083
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述: 8位單片機微控制器(8位單片微控制器)
文件頁數(shù): 43/56頁
文件大小: 390K
代理商: ΜPD70P083
43
m
PD78P083
Notes 1.
If you want to read within the range of t
ACC
, make the OE input delay time from the fall of CE a maximum of t
ACC
t
OE
.
2.
t
DF
is the time from when either OE or CE first reaches V
IH
.
PROM Write Mode Timing (byte program mode)
Cautions
1.
2.
3.
V
DD
should be applied before V
PP
, and removed after V
PP
.
V
PP
must not exceed +13.5 V including overshoot.
Reliability may be adversely affected if removal/reinsertion is performed while + 12.5 V is being
applied to V
PP
.
PROM Read Mode Timing
A0-A14
V
IH
CE
V
IL
V
IH
OE
V
IL
D0-D7
Data Output
Effective Address
Hi-Z
Hi-Z
t
CE
t
ACC
Note 1
t
DF
Note 2
t
OH
t
OE
Note 1
A0-A14
V
PP
D0-D7
V
PP
V
DD
V
DD
+1.5
V
DD
V
DD
V
IH
CE
V
IL
V
IH
PGM
V
IL
V
IH
OE
V
IL
t
VPS
t
AS
t
DS
t
VDS
t
CES
t
PW
t
OES
t
OE
t
OEH
t
DH
Hi-Z
Hi-Z
Hi-Z
t
DF
t
AH
Program Verify
Program
Data Input
Data Output
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