Expand menu
Hello, Sign in
My Account
0
Cart
Home
Products
Sensors
Semiconductors
Passive Components
Connectors
Power
Electromechanical
Optoelectronics
Circuit Protection
Integrated Circuits - ICs
Main Products
Manufacturers
Blog
Services
About OMO
About Us
Contact Us
Check Stock
DS1305N
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P22
DS1305
16 of 22
DC ELECTRICAL CHARACTERISTICS
(Over the operating range,
unless otherwise specified.)
PARAMETER SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Leakage
I
LI
-100
+500
µA
Output Leakage
I
LO
-1
1
µA
I
OL
= 1.5mA
V
CC
= 2.0V
0.4
Logic 0
Output
I
OL
= 4.0mA
V
OL
V
CC
= 5V
0.4
V
I
OH
= -0.4mA
V
CCIF
= 2.0V
1.6
Logic 1
Output
I
OH
= -1.0mA
V
OH
V
CCIF
= 5V
2.4
V
V
CC1
= 2.0V
0.425
V
CC1
Active Supply Current
I
CC1A
V
CC1
= 5V
1.28
mA 2,
8
V
CC1
= 2.0V
25.3
V
CC1
Timekeeping Current
(Osc on)
I
CC1T
V
CC1
= 5V
81
A 1,
8,
12
V
CC1
= 2.0V
25
V
CC1
Standby Current
(Osc off)
I
CC1S
V
CC1
= 5V
80
A 6,
8,
12
V
CC2
= 2.0V
0.4
V
CC2
Active Supply Current
I
CC2A
V
CC2
= 5V
1.2
mA 2,
9
V
CC2
= 2.0V
0.3
V
CC2
Timekeeping Current
(Osc on)
I
CC2T
V
CC2
= 5V
1
µA 1,
9,
12
V
CC2
= 2.0V
200
V
CC2
Standby Current
(Osc off)
I
CC2S
V
CC2
= 5V
200
nA 6,
9,
12
Battery Timekeeping Current
I
BAT
V
BAT
= 3V
400
nA
10, 12
Battery Standby Current
I
BATS
V
BAT
= 3V
200
nA
10, 12
V
CC
Trip Point
V
CCTP
V
BAT
- 50
V
BAT
+
200
mV
R1
2
R2
4
Trickle Charge Resistors
R3
8
k
Trickle Charge Diode
Voltage Drop
V
TD
0.7
V
CAPACITANCE
(T
A
= +25
C)
PARAMETER SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Capacitance
C
I
10
pF
Output Capacitance
C
O
15
pF
DS1305
17 of 22
3-WIRE AC ELECTRICAL CHARACTERISTICS
(Over the operating range,
unless otherwise specified.
) (Figure 10 and Figure 11)
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
s 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
s 4
V
CC
= 2.0V
280
CE to Output High-Z
t
CDZ
V
CC
= 5V
70
ns 3,4
V
CC
= 2.0V
280
SCLK to Output High-Z
t
CCZ
V
CC
= 5V
70
ns 3,4
DS1305
18 of 22
Figure 10. TIMING DIAGRAM: 3-W
IRE READ DATA TRANSFER
Figure 11. TIMING DIAGRAM: 3-W
IRE WRITE DATA TRANSFER
* I/O IS SDI AND SDO TIED TOGETHER.
* I/O IS SDI AND SDO TIED TOGETHER.
SERMODE = GND
SERMODE = GND
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P22
DS1305N
Mfr. #:
Buy DS1305N
Manufacturer:
Maxim Integrated
Description:
Real Time Clock Serial Alarm RTC 3-Wire
Lifecycle:
New from this manufacturer.
Delivery:
DHL
FedEx
Ups
TNT
EMS
Payment:
T/T
Paypal
Visa
MoneyGram
Western
Union
Products related to this Datasheet
DS1305EN
DS1305N
DS1305
DS1305E