參數(shù)資料
型號(hào): UPD703003A
廠商: NEC Corp.
英文描述: V853TM 32-/16-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: V853TM 32-/16-BIT單晶片微控制器
文件頁數(shù): 28/40頁
文件大?。?/td> 230K
代理商: UPD703003A
μ
PD703003A, 703004A, 703025A
28
Data Sheet U13188EJ4V0DS00
(7) Bus hold timing (1/2)
Parameter
Symbol
Conditions
25 MHz Version
33 MHz Version
Units
MIN.
MAX.
MIN.
MAX.
HLDRQ setup time (to CLKOUT
)
<54> t
SHQK
5
5
ns
HLDRQ hold time (from CLKOUT
)
<55> t
HKHQ
5
5
ns
HLDAK delay time from CLKOUT
<56> t
DKHA
20
20
ns
HLDRQ high-level width
<57> t
WHQH
T + 10
T + 10
ns
HLDAK low-level width
<58> t
WHAL
–40
°
C
T
A
+70
°
C
T – 10
T – 10
ns
70
°
C < T
A
85
°
C
T – 12
T – 12
ns
Delay time from CLKOUT
to bus float
<59> t
DKF
20
20
ns
Delay time from HLDAK
to bus output
<60> t
DHAC
–3
–3
ns
Delay time from HLDRQ
to HLDAK
<61> t
DHQHA1
(2n + 7.5)T + 20
(2n + 7.5)T + 20
ns
Delay time from HLDRQ
to HLDAK
<62> t
DHQHA2
0.5T
1.5T + 20
0.5T
1.5T + 20
ns
Remarks 1.
T = t
CYK
2.
n indicates the number of wait clocks that are inserted during a bus cycle. The sampling timing may
vary when using the programmable wait insertion function.
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