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| DS1302 Datasheet, PDF (10/14 Pages) Dallas Semiconductor – Trickle Charge Timekeeping Chip | |||
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CAPACITANCE
PARAMETER
Input Capacitance
I/O Capacitance
Crystal Capacitance
SYMBOL
CI
CI/O
CX
MIN
TYP
10
15
6
MAX
DS1302
(tA = 25ºC)
UNITS NOTES
pF
pF
pF
AC ELECTRICAL CHARACTERISTICS
(0ºC to 70ºC or -40°C to +85°C; VCC = 2.0 to 5.5V*)
PARAMETER
SYMBOL
MIN TYP MAX UNITS NOTES
Data to CLK Setup
CLK to Data Hold
CLK to Data Delay
CLK Low Time
CLK High Time
CLK Frequency
CLK Rise and Fall
RST to CLK Setup
CLK to RST Hold
RST Inactive Time
RST to I/O High Z
SCLK to I/O High Z
*Unless otherwise noted.
tDC
tCDH
tCDD
tCL
tCH
tCLK
tR, tF
tCC
tCCH
tCWH
tCDZ
tCCZ
VCC=2.0V
VCC=5V
VCC=2.0V
VCC=5V
VCC=2.0V
VCC=5V
VCC=2.0V
VCC=5V
VCC=2.0V
VCC=5V
VCC=2.0V
VCC=5V
VCC=2.0V
VCC=5V
VCC=2.0V
VCC=5V
VCC=2.0V
VCC=5V
VCC=2.0V
VCC=5V
VCC=2.0V
VCC=5V
VCC=2.0V
VCC=5V
200
50
280
70
1000
250
1000
250
DC
4
1
240
60
4
1
800
200
0.5
2.0
2000
500
280
70
280
70
ns
ns
ns
ns
ns
MHz
ns
µs
ns
µs
ns
ns
7
7
7, 8, 9
7
7
7
7
7
7
7
7
10 of 14
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