參數(shù)資料
型號(hào)： UPD78001BGCA
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(zhuǎn)換器
文件頁數(shù)： 34/62頁
文件大小： 576K
代理商： UPD78001BGCA
34
μ
PD78001B(A), 78002B(A)
DC Characteristics
(T
A
= –40 to +85
°
C, V
DD
= 2.7 to 6.0 V)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
Input voltage
V
IH1
P10 to P17, P21, P23, P30 to P32, P35 to P37,
0.7 V
DD
V
DD
V
high
P40 to P47, P50 to P57, P64 to P67
V
IH2
P00 to P03, P20, P22, P24 to P27, P33, P34, RESET
0.8 V
DD
V
DD
V
V
IH3
P60 to P63
Open-drain
0.7 V
DD
15
V
V
IH4
X1, X2
V
DD
-0.5
V
DD
V
V
IH5
XT1/P04, XT2
V
DD
= 4.5 to 6.0 V
V
DD
-0.5
V
DD
V
V
DD
-0.3
V
DD
V
Input voltage
V
IL1
P10 to P17, P21, P23, P30 to P32, P35 to P37
0
0.3 V
DD
V
low
P40 to P47, P50 to P57, P64 to P67
V
IL2
P00 to P03, P20, P22, P24 to P27, P33, P34, RESET
0
0.2 V
DD
V
V
IL3
P60 to P63
V
DD
= 4.5 to 6.0 V
0
0.3 V
DD
V
0
0.2 V
DD
V
V
IL4
X1, X2
0
0.4
V
V
IL5
XT1/P04, XT2
V
DD
= 4.5 to 6.0 V
0
0.4
V
0
0.3
V
Output voltage
V
OH1
V
DD
= 4.5 to 6.0 V,I
OH
= –1 mA
V
DD
-1.0
V
high
I
OH
= –100
μ
A
V
DD
-0.5
V
Output voltage
P50 to P57, P60 to P63
V
DD
= 4.5 to 6.0 V,
0.4
2.0
V
low
V
OL1
I
OL
= 15 mA
P01 to P03, P10 to P17, P20 to P27,
V
DD
= 4.5 to 6.0 V,
0.4
V
P30 to P37, P40 to P47, P64 to P67
I
OL
= 1.6 mA
V
DD
= 4.5 to 6.0 V,
V
OL2
SB0, SB1, SCK0
open-drain
0.2 V
DD
V
pulled-up (R = 1 K
)
V
OL3
I
OL
= 400
μ
A
0.5
V
Input leakage
P00 to P03, P10 to P17,
current high
I
LIH1
P20 to P27, P30 to P37,
3
μ
A
V
IN
= V
DD
P40 to P47, P50 to P57,
P60 to P67, RESET
I
LIH2
X1, X2, XT1/P04, XT2
20
μ
A
I
LIH3
V
IN
= 15 V
P60 to P63
80
μ
A
Input leakage
P00 to P03, P10 to P17,
current high
I
LIL1
P20 to P27, P30 to P37,
–3
μ
A
P40 to P47, P50 to P57,
V
IN
= 0 V
P64 to P67, RESET
I
LIL2
X1, X2, XT1/P04, XT2
–20
μ
A
I
LIL3
P60 to
P63
*1
–200
μ
A
Other than above
–3
*2
μ
A
*
1.
When memory expansion mode is used by the memory expansion mode register (MM) with no on-chip pull-up resistor
by mask option.
When pull-up resistors are not used (specified by mask option), the low-level input leakage current increases with –200
μ
A (MAX.) under either of the following conditions.
q
When the external device expansion function is used and a low level is input to the pin.
w
During the 3-clock period when a read instruction is executed on port 6 (P6) and the port mode registor (PM6).
Remark
The characteristics of a dual-function pin and a port pin are the same unless specified otherwise.
2.
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