參數(shù)資料
型號: UPD784218GC
廠商: NEC Corp.
英文描述: Connector assemblies, Network cables;
中文描述: 16-/8-bit的單晶片微控制器
文件頁數(shù): 69/92頁
文件大?。?/td> 617K
代理商: UPD784218GC
μ
PD784218, 784218Y
Data Sheet U12304EJ2V0DS00
69
AC Characteristics
(1) Read/write operation (2/2)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Data output delay time WR
t
DWOD
10
62
ns
Delay time from ASTB
to WR
t
DSTW
V
DD
= 5.0 V
0.5T – 9
ns
V
DD
= 3.0 V
0.5T – 9
ns
Data setup time (to WR
)
t
SODWR
V
DD
= 5.0 V
(1.5 + n) T – 20
ns
V
DD
= 3.0 V
(1.5 + n) T – 25
ns
Data hold time (from WR
)
t
HWOD
V
DD
= 5.0 V
0.5T – 14
ns
V
DD
= 3.0 V
0.5T – 14
ns
ASTB
delay time (from WR
)
t
DWST
V
DD
= 5.0 V
0.5T – 9
ns
V
DD
= 3.0 V
0.5T – 9
ns
WR low-level width
t
WWL
V
DD
= 5.0 V
(1.5 + n) T – 25
ns
V
DD
= 3.0 V
(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 waits (n
0)
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