DS1305
3-WIRE AC ELECTRICAL CHARACTERISTICS
(Over the operating range, unless otherwise specified.) (Figure 10 and Figure 11)
PARAMETER
SYMBOL
VCC = 2.0V
CC = 5V
VCC = 2.0V
CC = 5V
VCC = 2.0V
CC = 5V
MIN
TYP
MAX
UNITS NOTES
200
50
Data to CLK Setup
tDC
tCDH
tCDD
tCL
ns
ns
3,4
3,4
3,4,5
4
V
280
70
CLK to Data Hold
CLK to Data Delay
CLK Low Time
V
800
200
ns
V
VCC = 2.0V
VCC = 5V
1000
250
ns
VCC = 2.0V
1000
250
CLK High Time
tCH
ns
4
V
CC = 5V
VCC = 2.0V
CC = 5V
0.6
2.0
CLK Frequency
tCLK
tR, tF
tCC
MHz
ns
4
V
DC
VCC = 2.0V
VCC = 5V
2000
500
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
VCC = 2.0V
4
1
μs
4
4
VCC = 5V
VCC = 2.0V
VCC = 5V
240
60
4
tCCH
tCWH
tCDZ
tCCZ
ns
VCC = 2.0V
μs
4
V
CC = 5V
VCC = 2.0V
CC = 5V
VCC = 2.0V
CC = 5V
1
280
70
ns
3,4
3,4
V
280
70
ns
V
17 of 22
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
