DS1682S Maxim Integrated Products, DS1682S Datasheet - Page 14

• Manufacturer Part Number: DS1682S
• Description: IC TIMEKEEPER ALARM ELAPSE 8SOIC
• Manufacturer: Maxim Integrated Products
• Type: Elapsed Time Counterr

Specifications of DS1682S

• Memory Size: 10B
• Time Format: Binary
• Date Format: Binary
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TIMING DIAGRAM
CHIP INFORMATION
TRANSISTOR COUNT: 26,032
PROCESS: CMOS
PACKAGE INFORMATION
For the latest package information and land patterns, go to www.maxim-ic.com/packages.
Maxim/Dallas Semiconductor cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim/Dallas Semiconductor product.
No circuit patent licenses are implied. Maxim/Dallas Semiconductor reserves the right to change the circuitry and specifications without notice at any time.
M a x i m I n t e g r a t e d P r o d u c t s , 1 2 0 S a n G a b r i e l D r i v e , S u n n y v a l e , C A 9 4 0 8 6 4 0 8 - 7 3 7 - 7 6 0 0
The Maxim logo is a registered trademark of Maxim Integrated Products, Inc. The Dallas logo is a registered trademark of Dallas Semiconductor Corporation.
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
Note 7:
Note 8:
Note 9:
Note 10:
Note 1:
PACKAGE TYPE
8 SO
Typical values are at +25°C, V
The elapsed time and event counters are backed by three EEPROM arrays, which are used
sequentially, allowing up to 3 x E
memory use a single array, limiting them to one E
A decoupling capacitor to supply high instantaneous currents during EEPROM writes is recommended.
A typical value is 0.01μF. V
EEPROM writes.
V
Reading data while the contents of EEPROM are transferred to RAM results in incorrect reads.
After this period, the first clock pulse is generated.
A device must internally provide a hold time of at least 300ns for the SDA signal (referred to the
V
The maximum t
signal.
A fast-mode device can be used in a standard-mode system, but the requirement t
be met. This is automatically the case if the device does not stretch the t
stretch t
before the SCL line is released.
C
B
CC
IHMIN
—total capacitance of one bus line in pF.
must be at or above 2.5V for t
of the SCL signal) to bridge the undefined region of the falling edge of SCL.
LOW
, it must output the next data bit to the SDA line t
PACKAGE CODE
HD:DAT
S8+5
has only to be met if the device does not stretch the low period (t
CC
CC
must be maintained above V
© 2005 Maxim Integrated Products
= 4.0V.
E
. The configuration register, alarm trip-point register and user
EW
DOCUMENT NO.
after the end of an event to ensure data transfer to the EEPROM.
21-0041
14 of 14
E
.
DS1682 Total-Elapsed-Time Recorder with Alarm
CC
R(MAX)
minimum, including transients, during
+ t
SU:DAT
LOW
. If such a device does
= 1000 + 250 = 1250ns
SU:DAT
LOW
≥ 250ns must
) of the SCL