DS1371U/T&R Maxim Integrated Products, DS1371U/T&R Datasheet - Page 15

• Manufacturer Part Number: DS1371U/T&R
• Description: Real Time Clock I2C-Compatible 32-bi 2-bit Binary Counter
• Manufacturer: Maxim Integrated Products

Specifications of DS1371U/T&R

• Function: Clock, Calendar, Elapsed Time Counter, Alarm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1.7 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: 2-Wire Serial
• Package / Case: uMax-8
• Time Format: Binary
• Date Format: Binary

Revision History
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
REV DATE
The Maxim logo is a registered trademark of Maxim Integrated Products, Inc. The Dallas logo is a registered trademark of Dallas Semiconductor Corporation.
110502
051203
061406
022207
070607
Initial data sheet release.
(Page 14) In Figures 6 and 7, corrected the slave address and removed the second
“START.”
Changed all 2-wire references to I
(Page 1) Added lead-free packages to the Ordering Information table.
(Page 2) Removed “A” from J-STD-020 (Soldering Temperature) reference.
Removed Figure 3 (oscillator circuit) and incorporated into new Figure 2 (page 5).
(Page 6) In Pin Description table, added sentence saying no external resistors or
capacitors are required for pins 1 and 2 (X1 and X2).
(Page 7) Removed guard ring from Figure 3 (formerly Figure 4).
(Page 9) Updated the Watchdog/Alarm Counter section.
(Page 10) In Table 3, added the control bits affecting SQW/INT output operation.
(Page 11) In the I
about the part working in fast and standard I
(Page 14) Added package drawing information table.
(Page 1) Corrected top mark information in the Ordering Information table.
(Page 2) Changed I
(Page 7) In Table 1, changed ESR max from 45kΩ to 50kΩ.
(Page 8) In Table 2, changed WD/ALM to WD/ALM for address 07h (Control Register).
(Page 2) Added “noncondensing” to Operating Temperature Range requirement in the
Absolute Maximum Ratings section.
(Page 14) Corrected/added I
(Page 14) Changed package information document number to 21-0036.
2
C Serial Interface section (formerly 2-Wire Serial Interface), added text
DDR
max from 50nA to 100nA.
© 2007 Maxim Integrated Products
2
C read and write protocol figures.
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2
C.
DESCRIPTION
2
C modes.
DS1371