DS1302
CAPACITANCE
PARAMETER
(tA = 25ºC)
SYMBOL MIN
TYP
10
MAX
UNITS NOTES
Input Capacitance
CI
CI/O
CX
pF
pF
pF
I/O Capacitance
15
Crystal Capacitance
6
AC ELECTRICAL CHARACTERISTICS
(0ºC to 70ºC or -40°C to +85°C; VCC = 2.0 to 5.5V*)
PARAMETER
SYMBOL
MIN TYP MAX UNITS NOTES
VCC=2.0V
200
Data to CLK Setup
tDC
tCDH
tCDD
tCL
ns
ns
7
VCC=5V
VCC=2.0V
VCC=5V
50
280
70
CLK to Data Hold
CLK to Data Delay
CLK Low Time
7
VCC=2.0V
VCC=5V
800
200
ns
7, 8, 9
VCC=2.0V 1000
ns
7
7
7
VCC=5V
250
VCC=2.0V 1000
CLK High Time
CLK Frequency
tCH
ns
VCC=5V
VCC=2.0V
VCC=5V
250
DC
0.5
2.0
2000
500
tCLK
tR, tF
tCC
MHz
ns
VCC=2.0V
VCC=5V
CLK Rise and Fall
RST to CLK Setup
CLK to RST Hold
RST Inactive Time
RST to I/O High Z
VCC=2.0V
VCC=5V
4
1
7
7
7
7
7
µs
ns
VCC=2.0V
VCC=5V
240
60
4
tCCH
tCWH
tCDZ
tCCZ
VCC=2.0V
VCC=5V
µs
ns
1
VCC=2.0V
VCC=5V
280
70
280
70
VCC=2.0V
VCC=5V
SCLK to I/O High Z
ns
*Unless otherwise noted.
10 of 14
TGS [ Tiger Electronic Co.,Ltd ]
