DS1305 Datasheet, PDF (17/22 Pages) Dallas Semiconductor – Serial Alarm Real Time Clock RTC

DS1305
3-WIRE AC ELECTRICAL CHARACTERISTICS
(Over the operating range, unless otherwise specified.) (Figure 10 and Figure 11)
PARAMETER
SYMBOL
MIN
TYP
MAX UNITS
Data to CLK Setup
CLK to Data Hold
CLK to Data Delay
CLK Low Time
CLK High Time
CLK Frequency
CLK Rise and Fall
CE to CLK Setup
CLK to CE Hold
CE Inactive Time
CE to Output High-Z
SCLK to Output High-Z
t_DC
t_CDH
t_CDD
t_CL
t_CH
t_CLK
t_R, t_F
t_CC
t_CCH
t_CWH
t_CDZ
t_CCZ
V_CC = 2.0V
V_CC = 5V
V_CC = 2.0V
V_CC = 5V
V_CC = 2.0V
V_CC = 5V
V_CC = 2.0V
V_CC = 5V
V_CC = 2.0V
V_CC = 5V
V_CC = 2.0V
V_CC = 5V
V_CC = 2.0V
V_CC = 5V
V_CC = 2.0V
V_CC = 5V
V_CC = 2.0V
V_CC = 5V
V_CC = 2.0V
V_CC = 5V
V_CC = 2.0V
V_CC = 5V
V_CC = 2.0V
V_CC = 5V
200
50
280
70
1000
250
1000
250
DC
4
1
240
60
4
1
800
200
0.6
2.0
2000
500
280
70
280
70
ns
ns
ns
ns
ns
MHz
ns
μs
ns
μs
ns
ns
NOTES
3,4
3,4
3,4,5
4
4
4
4
4
4
3,4
3,4
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