ds1305et-r Maxim Integrated Products, Inc., ds1305et-r Datasheet - Page 17

• Manufacturer Part Number: ds1305et-r
• Description: Ds1305 Serial Alarm Real-time Clock
• Manufacturer: Maxim Integrated Products, Inc.

3-WIRE AC ELECTRICAL CHARACTERISTICS
(Over the operating range, unless otherwise specified.) (Figure 10 and Figure 11)
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
PARAMETER
t
t
t
t
t
t
t
t
t
t
t
CWH
CDH
CDD
t
R,
CCH
CLK
CDZ
CCZ
DC
CH
CL
CC
t
F
SYMBOL
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
17 of 21
MIN
1000
1000
200
280
250
250
240
DC
50
70
60
4
1
4
1
TYP
MAX
2000
800
200
500
280
280
0.6
2.0
70
70
UNITS
MHz
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
3,4,5
3,4
3,4
3,4
3,4
4
4
4
4
4
4