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DS1306 датащи(PDF) 14 Page - Dallas Semiconductor

номер детали DS1306
подробное описание детали  Serial Alarm Real Time Clock RTC
PDF  20 Pages
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производитель  DALLAS [Dallas Semiconductor]
домашняя страница  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS1306 датащи(HTML) 14 Page - Dallas Semiconductor

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DS1306
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DC ELECTRICAL CHARACTERISTICS (cont’d)
(0
°C to 70°C or –40°C to +85°C; V
CC = 2.0 to 5.5V*)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Battery Timekeeping Current
IBATT
VBAT=3V
550
nA
12
Battery Timekeeping Current (IND)
IBATT
VBAT=3V
800
nA
12
Trickle Charge Resistors
R1
R2
R3
2
4
8
k
Ω
k
Ω
k
Ω
Trickle Charger Diode Voltage
Drop
VTD
0.7
V
CAPACITANCE
(tA = 25
°C)
PARAMETER
SYMBOL
CONDITION
TYP
MAX
UNITS
NOTES
Input Capacitance
CI
10
pF
Output Capacitance
CO
15
pF
Crystal Capacitance
CX
6pF
3-WIRE AC ELECTRICAL CHARACTERISTICS
(0
°C to 70°C or –40°C to +85°C; V
CC = 2.0V to 5.5V*)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
VCC=2.0V
200
Data to CLK Setup
tDC
VCC=5V
50
ns
5, 6
VCC=2.0V
280
CLK to Data Hold
tCDH
VCC=5V
70
ns
5, 6
VCC=2.0V
800
CLK to Data Delay
tCDD
VCC=5V
200
ns
5, 6, 7
VCC=2.0V
1000
CLK Low Time
tCL
VCC=5V
250
ns
6
VCC=2.0V
1000
CLK High Time
tCH
VCC=5V
250
ns
6
VCC=2.0V
0.6
CLK Frequency
tCLK
VCC=5V
DC
2.0
MHz
6
VCC=2.0V
2000
CLK Rise and Fall
tR, tF
VCC=5V
500
ns
VCC=2.0V
4
CE to CLK Setup
tCC
VCC=5V
1
µs
6
VCC=2.0V
240
CLK to CE Hold
tCCH
VCC=5V
60
ns
6
VCC=2.0V
4
CE Inactive Time
tCWH
VCC=5V
1
µs
6
VCC=2.0V
280
CE to Output High Z
tCDZ
VCC=5V
70
ns
5, 6
VCC=2.0V
280
SCLK to Output High Z
tCCZ
VCC=5V
70
ns
5, 6
*Unless otherwise noted.



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