參數(shù)資料
型號: UPD784224Y
廠商: NEC Corp.
英文描述: 16/8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 16/8-BIT單晶片微控制器
文件頁數(shù): 69/92頁
文件大小: 687K
代理商: UPD784224Y
69
μ
PD784224, 784225, 784224Y, 784225Y
Data Sheet U12376EJ1V0DS00
AC Characteristics
(T
A
=
40
°
C to +85
°
C, V
DD
= V
DD0
= V
DD1
= AV
DD
= 1.8 to 5.5 V, V
SS
= V
SS0
= V
SS1
= AV
SS
= 0 V)
(1) Read/write operation (3/3)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Data hold time (from WR
)
t
HWOD
V
DD
= 5.0 V
±
10%
0.5T
14
ns
V
DD
= 3.0 V
±
10%
0.5T
14
ns
V
DD
= 2.0 V
±
10%
0.5T
50
ns
Delay time from WR
to
ASTB
t
DWST
V
DD
= 5.0 V
±
10%
0.5T
9
ns
V
DD
= 3.0 V
±
10%
0.5T
9
ns
V
DD
= 2.0 V
±
10%
0.5T
30
ns
WR low-level width
t
WWL
V
DD
= 5.0 V
±
10%
(1.5 + n) T
25
ns
V
DD
= 3.0 V
±
10%
(1.5 + n) T
30
ns
V
DD
= 2.0 V
±
10%
(1.5 + n) T
30
ns
Remark
T: t
CYK
= 1/f
XX
(f
XX
: Main system clock frequency)
a: 1 (during address wait), otherwise, 0
n: Number of wait states (n
0)
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