參數(shù)資料
型號(hào): μPD784214
廠商: NEC Corp.
英文描述: 8/16 Bit Single Chip Microcontrollers(8/16 位單片微控制器)
中文描述: 8 / 16位單片機(jī)微控制器(8 / 16位單片微控制器)
文件頁(yè)數(shù): 68/88頁(yè)
文件大?。?/td> 427K
代理商: ΜPD784214
μ
PD784214,784215,784216
68
AC Characteristics
(2) External wait timing
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
WAIT
input time from address
t
DAWT
V
DD
= 5.0 V
(2 + a) T – 40
200
ns
V
DD
= 3.0 V
(2 + a) T – 60
420
ns
WAIT
input time from ASTB
t
DSTWT
V
DD
= 5.0 V
1.5T – 40
80
ns
V
DD
= 3.0 V
1.5T – 60
180
ns
WAIT hold time from ASTB
t
HSTWT
V
DD
= 5.0 V
(0.5 + n) T + 5
125
ns
V
DD
= 3.0 V
(0.5 + n) T + 10
250
ns
WAIT
delay time from ASTB
t
DSTWTH
V
DD
= 5.0 V
(1.5 + n) T – 40
240
ns
V
DD
= 3.0 V
(1.5 + n) T – 60
500
ns
WAIT
input time from RD
t
DRWTL
V
DD
= 5.0 V
T – 40
40
ns
V
DD
= 3.0 V
T – 60
100
ns
WAIT
hold time from RD
t
HRWT
V
DD
= 5.0 V
nT + 5
85
ns
V
DD
= 3.0 V
nT + 10
170
ns
WAIT
delay time from RD
t
DRWTH
V
DD
= 5.0 V
(1 + n) T – 40
200
ns
V
DD
= 3.0 V
(1 + n) T – 60
420
ns
Data input time from WAIT
t
DWTID
V
DD
= 5.0 V
0.5T – 5
35
ns
V
DD
= 3.0 V
0.5T – 10
70
ns
RD
delay time from WAIT
t
DWTR
V
DD
= 5.0 V
0.5T
40
ns
V
DD
= 3.0 V
0.5T
80
ns
WR
delay time from WAIT
t
DWTW
V
DD
= 5.0 V
0.5T
40
ns
V
DD
= 3.0 V
0.5T
80
ns
WAIT
input time from WR
t
DWWTL
V
DD
= 5.0 V
T – 40
40
ns
V
DD
= 3.0 V
T – 60
100
ns
WAIT hold time from WR
t
HWWT
V
DD
= 5.0 V
nT + 5
85
ns
V
DD
= 3.0 V
nT + 10
170
ns
WAIT
delay time from WR
t
DWWTH
V
DD
= 5.0 V
(1 + n) T – 40
200
ns
V
DD
= 3.0 V
(1 + n) T – 60
420
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)
相關(guān)PDF資料
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μPD784216 8/16 Bit Single Chip Microcontrollers(8/16 位單片微控制器)
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μPD784216Y 8/16 Bit Single Chip Microcontrollers(8/16位單片微控制器)
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