參數(shù)資料
型號(hào): μPD78P0308
廠商: NEC Corp.
元件分類(lèi): 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): 55/70頁(yè)
文件大小: 556K
代理商: ΜPD78P0308
55
μ
PD78P0308
Preliminary Data Sheet
PROM Write Mode Timing (Byte Program Mode)
Notes
1.
If you want to read within the t
ACC
range, make the OE input delay time from the fall of CE the maximum of t
ACC
– t
OE
.
2.
t
DF
is the time from when either OE or CE first reaches V
IH
.
Cautions
1. V
DD
should be applied before V
PP,
and cut after V
PP
.
2. V
PP
should not exceed +13.5 V including overshoot.
3. Disconnection during application of
±
12.5 V to V
PP
may have an adverse effect on reliability.
PROM Read Mode Timing
A0 to A16
D0 to D7
V
PP
V
PP
V
DD
V
DD
V
DD
+ 1.5
V
DD
CE
V
IH
V
IL
PGM
V
IH
V
IL
OE
V
IH
V
IL
Program
Program Verify
Data Input
Data Output
Hi-Z
Hi-Z
Hi-Z
t
DF
t
AH
t
AS
t
DS
t
DH
t
VPS
t
VDS
t
CES
t
PW
t
OEH
t
OES
t
OE
CE
V
IH
V
IL
OE
V
IH
V
IL
D0-D7
A0-A16
Effective Address
t
CE
Hi-Z
Data Output
Hi-Z
t
ACC
Note 1
t
OE
Note 1
t
OH
t
DF
Note 2
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