
DS1302
041697 9/12
DC ELECTRICAL CHARACTERISTICS (cont’d) (0°C to 70°C; V
CC
= 2.5 to 5.5V*)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
V
CC2
=2.5V
25.3
me
eep
ng
urren
CC2T
V
CC2
=5V 81
µ
,
V
CC2
=2.5V
25
an
y
urren
CC2S
V
CC2
=5V 80
µ
,
Trickle Charge Resistors R1
R2
R3
2
4
8
KΩ
KΩ
KΩ
Trickle Charger Diode Voltage Drop V
TD
0.7 V
*Unless otherwise noted.
CAPACITANCE (t
A
= 25°C)
PARAMETER SYMBOL CONDITION TYP MAX UNITS NOTES
Input Capacitance C
I
10 pF
I/O Capacitance C
I/O
15 pF
Crystal Capacitance C
X
6 pF
AC ELECTRICAL CHARACTERISTICS (0°C to 70°C; V
CC
= +5V ± 10%*)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
V
CC
=2.5V 200
a
a
o
e
up
DC
V
CC
=5V 50
ns
V
CC
=2.5V 280
o
a
a
o
CDH
V
CC
=5V 70
ns
V
CC
=2.5V 800
o
a
a
e
ay
CDD
V
CC
=5V 200
ns
,
,
V
CC
=2.5V 1000
ow
me
CL
V
CC
=5V 250
ns
V
CC
=2.5V 1000
g
me
CH
V
CC
=5V 250
ns
V
CC
=2.5V 0.5
requency
CLK
V
CC
=5V DC 2.0
z
V
CC
=2.5V 2000
se an
a
R
,
F
V
CC
=5V 500
ns
V
CC
=2.5V 4
o
e
up
CC
V
CC
=5V 1
µs
*Unless otherwise noted.
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