參數(shù)資料
型號: μPD78P078Y
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): 66/84頁
文件大?。?/td> 472K
代理商: ΜPD78P078Y
66
m
PD78P078Y
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. V
DD
should be applied before V
PP
, and removed after V
PP
.
2. V
PP
must not exceed +13.5 V including overshoot.
3. 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 to A16
V
PP
D0 to 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
A0 to A16
V
IH
CE
V
IL
V
IH
OE
V
IL
D0 to 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
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