DS1302Z+ Maxim Integrated Products, DS1302Z+ Datasheet - Page 11

IC TIMEKEEPER W/CHARGER 8-SOIC

DS1302Z+

Manufacturer Part Number
DS1302Z+
Description
IC TIMEKEEPER W/CHARGER 8-SOIC
Manufacturer
Maxim Integrated Products
Type
Clock/Calendar/Trickle-Chargerr
Datasheet

Specifications of DS1302Z+

Memory Size
31B
Time Format
HH:MM:SS (12/24 hr)
Date Format
YY-MM-DD-dd
Interface
3-Wire Serial
Voltage - Supply
2 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Function
Clock/Calendar/Trickle Charger/NV Timekeeping RAM
Rtc Memory Size
31 Byte
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2 V
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Rtc Bus Interface
Serial (3-Wire)
Supply Current
1.2 mA
Clock Format
HH
Clock Ic Type
RTC
Ic Interface Type
3 Wire
Memory Configuration
31 X 8
Supply Voltage Range
2V To 5.5V
Digital Ic Case Style
SOIC
No. Of Pins
8
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
CAPACITANCE
(T
AC ELECTRICAL CHARACTERISTICS
(T
Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
Note 7:
Note 8:
Note 9:
Note 10:
Note 11:
Note 12:
Note 13:
Input Capacitance
I/O Capacitance
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 I/O High Impedance
SCLK to I/O High Impedance
A
A
= +25°C)
= 0°C to +70°C or T
PARAMETER
PARAMETER
Limits at -40°C are guaranteed by design and are not production tested.
All voltages are referenced to ground.
I
I
CE, SCLK, and I/O all have 40kΩ pulldown resistors to ground.
Measured at V
Measured at V
Load capacitance = 50pF.
I
V
V
V
Typical values are at +25°C.
CC1T
CC1A
CC1S
CC
CC2
CC1
= V
and I
= 0V.
= 0V.
and I
and I
CC2
CC2T
CC2A
CC2S
, when V
A
are specified with I/O open, CE and SCLK set to a logic 0.
are specified with the I/O pin open, CE high, SCLK = 2MHz at V
IH
OH
are specified with CE, I/O, and SCLK open.
= -40°C to +85°C.) (Note 1)
= 2.0V or V
= 2.4V or V
SYMBOL
CC2
C
> V
C
I/O
I
CC1
t
t
t
t
t
t
t
t
R
CWH
t
CDH
CDD
t
t
CCH
IL
t
CDZ
CCZ
CLK
DC
CH
CC
CL
OL
, t
+ 0.2V; V
= 0.8V and 10ns maximum rise and fall time.
F
= 0.4V.
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
MIN
CC
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
= V
CC1
TYP
10
15
, when V
11 of 13
(Note 6)
(Note 6)
(Notes 6, 7, 8)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
CONDITIONS
CC1
MAX
> V
CC2
.
UNITS
pF
pF
CC
1000
1000
MIN
200
280
250
250
240
DC
50
70
60
= 5V; SCLK = 500kHz, V
4
1
4
1
TYP
MAX
2000
800
200
500
280
280
0.5
2.0
70
70
CC
= 2.0V.
UNITS
MHz
ns
ns
ns
ns
ns
ns
μs
ns
μs
ns
ns

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