DS1371U/T&R Maxim Integrated Products, DS1371U/T&R Datasheet - Page 14

• 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

Figure 5. I
Figure 6. I
Figure 7. I
Chip Information
TRANSISTOR COUNT: 11,036
PROCESS: CMOS
SUBSTRATE CONNECTED TO GROUND
Thermal Information
Theta-JA: 221°C/W
Theta-JC: 39°C/W
Package Information
For the latest package outline information, go to www.maxim-ic.com/DallasPackInfo.
B - Block Select
S - Start
A - Acknowledge (ACK)
P - Stop
B - Block Select
S - Start
A - Acknowledge (ACK)
P - STOP
A - Not Acknowledge (NACK)
B - Block Select
S - Start
Sr - Repeated Start
A - Acknowledge (ACK)
P - Stop
A - Not Acknowledge (NACK)
S
S
S
PACKAGE
8-pin μSOP
<Slave Address>
<Slave Address>
<Slave Address>
XXXXXXXX
1101000
1101000
1101000
<Data(n)>
2
2
2
C Write Protocol
C Read Protocol
C Data Read (Write Pointer, Then Read) Protocol
0
1
0
A
A
A
A
XXXXXXXX
<Word Address (n)>
<Word Address (n)>
<Data(n+1)>
XXXXXXXX
XXXXXXXX
XXXXXXXX
<Data(n)>
DOCUMENT NUMBER
Slave to master
Master to slave
Slave to master
Slave to master
Master to slave
Master to slave
A XXXXXXXX
21-0036
A
A
A
<Data(n+2)>
Sr
XXXXXXXX
XXXXXXXX
<Data(n+1)>
<Slave Address>
<Data(n)>
1101000
(X+1 BYTES + ACKNOWLEDGE); NOTE: LAST DATA BYTE IS
(X+1 BYTES + ACKNOWLEDGE); NOTE: LAST DATA BYTE IS
FOLLOWED BY A NOT ACKNOWLEDGE (A) SIGNAL)
FOLLOWED BY A NOT ACKNOWLEDGE (A) SIGNAL)
A
(X+1 BYTES + ACKNOWLEDGE)
A XXXXXXXX
A XXXXXXXX
1
...
<Data(n+2)>
DATA TRANSFERRED
A
XXXXXXXX
<Data(n+X)>
<Data(n+1)>
DATA TRANSFERRED
DATA TRANSFERRED
14 of 15
A
A
A P
<Data(n+X)>
...
...
XXXXXXXX
XXXXXXXX
<Data(n+X)>
A P
A P
DS1371