DS1306
17 of 22
3-WIRE AC ELECTRICAL CHARACTERISTICS
(TA = Over the operating range, unless otherwise specified.) (Figure 10 and Figure 11)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
VCC = 2.0V
200
Data to CLK Setup
tDC
VCC = 5V
50
ns
3, 4
VCC = 2.0V
280
CLK to Data Hold
tCDH
VCC = 5V
70
ns
3, 4
VCC = 2.0V
800
CLK to Data Delay
tCDD
VCC = 5V
200
ns
3, 4, 5
VCC = 2.0V
1000
CLK Low Time
tCL
VCC = 5V
250
ns
4
VCC = 2.0V
1000
CLK High Time
tCH
VCC = 5V
250
ns
4
VCC = 2.0V
0.6
CLK Frequency
tCLK
VCC = 5V
DC
2.0
MHz
4
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
s
4
VCC = 2.0V
240
CLK to CE Hold
tCCH
VCC = 5V
60
ns
4
VCC = 2.0V
4
CE Inactive Time
tCWH
VCC = 5V
1
s
4
VCC = 2.0V
280
CE to Output High-Z
tCDZ
VCC = 5V
70
ns
3, 4
VCC = 2.0V
280
SCLK to Output High-Z
tCCZ
VCC = 5V
70
ns
3, 4
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