參數資料
型號: UPD78014
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: 38/62頁
文件大?。?/td> 576K
代理商: UPD78014
38
μ
PD78001B(A), 78002B(A)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK cycle time
t
KCY2
V
DD
= 4.5 to 6.0 V
800
ns
3200
ns
SCK high/low-level width
t
KH2
V
DD
= 4.5 to 6.0 V
400
ns
t
KL2
1600
ns
SI setup time (to SCK
)
t
SIK2
100
ns
SI hold time (from SCK
)
t
KSI2
400
ns
SO output delay time from
t
KSO2
C = 100 pF
*
V
DD
= 4.5 to 6.0 V
300
ns
SCK
SCK rise, fall time
1000
When external device expansion
function is used
160
ns
When external device expansion
function is not used
1000
ns
(3) Serial Interface
(T
A
= –40 to +85
°
C, V
DD
= 2.7 to 6.0 V)
(a) 3-wire serial I/O mode (SCK... Internal clock output)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK cycle time
t
KCY1
V
DD
= 4.5 to 6.0 V
800
ns
3200
ns
SCK high/low-level width
t
KH1
V
DD
= 4.5 to 6.0 V
t
KCY1
/2-50
ns
t
KL1
t
KCY1
/2-150
ns
SI setup time (to SCK
)
t
SIK1
100
ns
SI hold time (from SCK
)
t
KSI1
400
ns
SO output delay time from
t
KSO1
C = 100 pF
*
V
DD
= 4.5 to 6.0 V
300
ns
SCK
1000
ns
*
C is the load capacitance of SO output line.
(b) 3-wire serial I/O mode (SCK... External clock input)
t
R2
t
F2
*
C is the load capacitance of SO output line.
相關PDF資料
PDF描述
UPD78018F 1 watt dc-dc converters
UPD78018FY 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
UPD78044A 1 watt dc-dc converters
UPD78054 8-bit single-chip microcomputer
UPD78054Y 8-bit single-chip microcontroller
相關代理商/技術參數
參數描述
UPD78014GC-765-AB8 制造商:NEC Electronics Corporation 功能描述:
UPD78043A041 制造商:Panasonic Industrial Company 功能描述:IC
UPD78043A042 制造商:Panasonic Industrial Company 功能描述:IC
UPD78043F016 制造商:Panasonic Industrial Company 功能描述:IC
UPD78043F019 制造商:Panasonic Industrial Company 功能描述:IC