Rainbow Electronics DS1306 User Manual
Page 19
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DS1306
19 of 21
SPI AC ELECTRICAL CHARACTERISTICS
(Over the operating range*)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
V
CC
= 2.0V
200
Data to CLK Setup
t
DC
V
CC
= 5V
50
ns
3, 4
V
CC
= 2.0V
280
CLK to Data Hold
t
CDH
V
CC
= 5V
70
ns
3, 4
V
CC
= 2.0V
800
CLK to Data Delay
t
CDD
V
CC
= 5V
200
ns
3, 4, 5
V
CC
= 2.0V
1000
CLK Low Time
t
CL
V
CC
= 5V
250
ns
4
V
CC
= 2.0V
1000
CLK High Time
t
CH
V
CC
= 5V
250
ns
4
V
CC
= 2.0V
0.6
CLK Frequency
t
CLK
V
CC
= 5V
DC
2.0
MHz
4
V
CC
= 2.0V
2000
CLK Rise and Fall
t
R
, t
F
V
CC
= 5V
500
ns
V
CC
= 2.0V
4
CE to CLK Setup
t
CC
V
CC
= 5V
1
ms
4
V
CC
= 2.0V
240
CLK to CE Hold
t
CCH
V
CC
= 5V
60
ns
4
V
CC
= 2.0V
4
CE Inactive Time
t
CWH
V
CC
= 5V
1
ms
4
V
CC
= 2.0V
280
CE to Output High-Z
t
CDZ
V
CC
= 5V
70
ns
3,4
*Unless otherwise noted.
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