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参数资料
| 型号： | DS1603 |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | XO, clock |
| 英文描述： | Elapsed Time Counter Module(经过时间计数器模块) |
| 中文描述： | 1 TIMER(S), REAL TIME CLOCK, SIP7 |
| 封装： | LOW PROFILE, SIP-7 |
| 文件页数： | 7/8页 |
| 文件大小： | 61K |
| 代理商： | DS1603 |
DS1603
042298 7/8
AC ELECTRICAL CHARACTERISTICS
(V
CC
= +5V
±
10%, 0
°
C to +70
°
C)
MAX
UNITS
PARAMETER
SYMBOL
MIN
TYP
NOTES
Data to CLK Setup
t
DC
50
ns
6
CLK to Data Hold
t
CDH
60
ns
6
CLK to Data Delay
t
CDD
200
ns
6, 7, 8
CLK Low Time
t
CL
250
ns
6
CLK High Time
t
CH
250
ns
6
CLK Frequency
f
CLK
DC
2.0
MHz
6
CLK Rise & Fall
t
F
, t
R
500
ns
RST to CLK Setup
t
CC
100
ns
6
CLK to RST Hold
t
CCH
60
ns
6
RST Inactive Time
t
CWH
1
μ
s
6
RST Low to I/O High Z
t
RDZ
70
ns
6
CLK High to I/O High Z
t
CDZ
20
ns
6
(t
A
= 25
°
C)
NOTES
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Expected Data Retention Time
t
DR
10
years
10
NOTES:
1. All voltages are reference to ground.
2. Logic one voltages are specified at a source current of 1 mA.
3. Logic zero voltages are specified at a sink current of 4 mA.
4. I
CC
is specified with the DQ pin open.
5. I
CC1
is specified with V
CC
at 5.0V and RST = GND.
6. Measured at V
IH
= 2.0V or V
IL
= 0.8V.
7. Measured at V
OH
= 2.4V or V
OL
– 0.4V.
8. Load capacitance = 50 pF.
9. Battery trip point is the point at which the V
CC
powered counter and the serial port stop operation.
10.The expected t
DR
is defined as accumulative time in the absence of V
CC
with the clock oscillator running.
11. Real–Time Clock Modules can be successfully processed through conventional wave–soldering techniques as
long as temperature exposure to the lithium energy source contained within does not exceed +85
°
C. Post solder
cleaning with water washing techniques is acceptable, provided that ultrasonic vibration is not used.
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|---|---|
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