參數(shù)資料
型號: UPD78078
廠商: NEC Corp.
元件分類: DC/DC變換器
英文描述: 1 watt dc-dc converters
中文描述: 1瓦的DC - DC轉換器
文件頁數(shù): 39/62頁
文件大?。?/td> 576K
代理商: UPD78078
μ
PD78001B(A), 78002B(A)
39
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK cycle time
t
KCY3
V
DD
= 4.5 to 6.0 V
800
ns
3200
ns
SCK high/low-level width
t
KH3
V
DD
= 4.5 to 6.0 V
t
KCY3
/2-50
ns
t
KL3
t
KCY3
/2-150
ns
SB0, SB1 setup time
t
SIK3
V
DD
= 4.5 to 6.0 V
100
ns
(to SCK
)
300
ns
SB0, SB1 hold time
t
KSI3
t
KCY3
/2
ns
from SCK
SB0, SB1 output delay time
t
KSO3
R = 1 k
,
V
DD
= 4.5 to 6.0 V
0
250
ns
(from SCK
)
C = 100 pF
*
0
1000
ns
SB0, SB1
from SCK
t
KSB
t
KCY3
ns
SCK
from SB0, SB1
t
SBK
t
KCY3
ns
SB0, SB1 high-level width
t
SBH
t
KCY3
ns
SB0, SB1 low-level width
t
SBL
t
KCY3
ns
(c) SBI mode (SCK... Internal clock output)
*
R and C are the load resistors and load capacitance of the SB0 and SB1 output line.
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK cycle time
t
KCY4
V
DD
= 4.5 to 6.0 V
800
ns
3200
ns
SCK high/low-level width
t
KH4
V
DD
= 4.5 to 6.0 V
400
ns
t
KL4
1600
ns
SB0, SB1 setup time
t
SIK4
V
DD
= 4.5 to 6.0 V
100
ns
(to SCK
)
300
ns
SB0, SB1 hold time
t
KSI4
t
KCY4/
2
ns
(from SCK
↓)
SB0, SB1 output delay time
t
KSO4
R = 1 k
,
V
DD
= 4.5 to 6.0 V
0
300
ns
from SCK
C = 100 pF
*
0
1000
ns
SB0, SB1
from SCK
t
KSB
t
KCY4
ns
SCK
from SB0, SB1
t
SBK
t
KCY4
ns
SB0, SB1 high-level width
t
SBH
t
KCY4
ns
SB0, SB1 low-level width
t
SBL
t
KCY4
ns
SCK rise, fall time
When external device expansion
function is used
160
ns
When external device expansion
function is not used
1000
ns
(d) SBI mode (SCK... External clock input)
*
R and C are the load resistors and load capacitance of the SB0 and SB1 output line.
t
R4
t
F4
相關PDF資料
PDF描述
UPD78078Y 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
UPD78001BA 1 watt dc-dc converters
UPD78001BCW 1 watt dc-dc converters
UPD78002B 1 watt dc-dc converters
UPD78002BA 1 watt dc-dc converters
相關代理商/技術參數(shù)
參數(shù)描述
UPD78082GB-A68-3BS-MTX-A 制造商:Renesas Electronics Corporation 功能描述:
UPD78082GB-B44-3BS-MTX-A 制造商:Renesas Electronics Corporation 功能描述:
UPD780C-1 制造商:NEC Electronics Corporation 功能描述:Microprocessor, 8 Bit, 40 Pin, Plastic, DIP
UPD780T6G034 制造商:Panasonic Industrial Company 功能描述:IC
UPD7810HCW 制造商:Panasonic Industrial Company 功能描述:IC