M41T256YMT7 STMicroelectronics, M41T256YMT7 Datasheet - Page 11

• Manufacturer Part Number: M41T256YMT7
• Description: Real Time Clock Serial 256K (32Kx8)
• Manufacturer: STMicroelectronics

Specifications of M41T256YMT7

• Function: Clock, Calendar
• Rtc Memory Size: 32768 B
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: - 25 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial
• Package / Case: SO-44
• Time Format: HH:MM:SS:hh
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 4.
Figure 5.
(SCL) CLOCK
SCL FROM
MASTER
DATA OUTPUT
BY TRANSMITTER
DATA OUTPUT
BY RECEIVER
(SDA) DATA
Serial bus data transfer sequence
Acknowledgement sequence
CONDITION
START
START
MSB
1
DATA VALID
DATA LINE
STABLE
DATA ALLOWED
CHANGE OF
2
LSB
8
ACKNOWLEDGEMENT
CLOCK PULSE FOR
CONDITION
STOP
9
AI04756
AI00601
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