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參數(shù)資料
| 型號： | PS2402(中文) |
| 英文描述： | Precision Reset Controller And 2K IIC Memory With Reset And Reset Outputs(精密電源電壓復(fù)位控制器和2k IIC存儲器) |
| 中文描述： | 精密復(fù)位控制器和2K進(jìn)口證帶復(fù)位和復(fù)位輸出（精密電源電壓復(fù)位控制器和2k進(jìn)口證存儲器內(nèi)存） |
| 文件頁數(shù)： | 4/12頁 |
| 文件大小： | 185K |
| 代理商： | PS2402(中文) |
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http://www.p8s.com
2. 4 á÷μìD
￡¨úíμ1¤×÷ìt￡3y· áí óDμ÷￡
Symbol
Parameter
Conditions
Min
Max
Units
SCL = CMOS Levels @ 100KHz
SDA = Open
All other inputs = GND or V
CC
V
CC
=5.5V
3
mA
I
CC
Supply Current (CMOS)
V
CC
=3.3V
V
CC
=5.5V
V
CC
=3.3V
2
50
25
mA
μ
A
μ
A
I
SB
Standby Current (CMOS)
SCL = SDA = V
All other inputs = GND
I
LI
Input Leakage
V
IN
= 0 To V
CC
10
μ
A
I
LO
Output Leakage
V
OUT
= 0 To V
CC
10
μ
A
V
IL
Input Low Voltage
S0, S1, S2, SCL, SDA, RESET
0.3xV
CC
V
V
IH
Input High Voltage
S0, S1, S2, SCL, SDA
0.7xV
CC
V
V
OL
Output Low Voltage
I
OL
= 3mA SDA
0.4
V
2.7V to 4.5V
4.5V to 5.5V
Symbol
Parameter
Conditions
Min
Max
Min
Max
Units
f
SCL
SCL Clock Frequency
0
100
400
KHz
t
LOW
Clock Low Period
4.7
1.3
μ
s
t
HIGH
Clock High Period
4.0
0.6
μ
s
t
BUF
Bus Free Time
Before New Transmission
4.7
1.3
μ
s
t
SU:STA
Start Condition Setup Time
4.7
0.6
μ
s
t
HD:STA
Start Condition Hold Time
4.0
0.6
μ
s
t
SU:STO
Stop Condition Setup Time
4.7
0.6
μ
s
t
AA
Clock to Output
SCL Low to SDA Data Out Valid
0.3
3.5
0.2
0.9
μ
s
t
DH
Data Out Hold Time
SCL Low to SDA Data Out Change
0.3
0.2
μ
s
t
R
SCL and SDA Rise Time
1000
300
ns
t
F
SCL and SDA Fall Time
300
300
ns
t
SU:DAT
Data In Setup Time
250
100
ns
t
HD:DAT
Data In Hold Time
0
0
ns
T
I
Noise Spike Width
@ SCL, SDA Inputs
Noise Suppression Time Constant
100
100
ns
t
WR
Write Cycle Time
10
10
ms
2. 5 μèYá
T
A
=25
￡
f=100kHz
· o
C
IN
C
OUT
2. 6 ′μ· á÷oí ±á÷μìD
T
A
= -40
á
+85
2êy
× ′óμ
5
8
μ￥
pF
pF
êèμèY
ê3μèY
PS2402-2.7
PS2402 A
PS2402 B
Symbol
Parameter
Min
Max
Min
Max
Min Max Unit
V
TRIP
Reset Trip Point
2.55
2.7
4.25
4.5
4.5
4.75
V
t
PURST
Power-Up Reset Timeout
130
270
130
270
130
270
ms
t
RPD
V
TRIP
to RESET Output Delay
5
5
5
μ
s
V
RVALID
Output Valid
1
1
1
V
t
GLITCH
Glitch Reject Pulse Width
30
30
30
ns
V
OLRS
Output Low Voltage I
OL
= 1mA
0.4
0.4
0.4
V
V
OHRS
RESET Output High Voltage I
OH
= 800
μ
A V
CC
-.75
V
CC
-.75
V
CC
-.75
V
RESET
RESET
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