M41ST85YMH6 STMicroelectronics, M41ST85YMH6 Datasheet - Page 14

• Manufacturer Part Number: M41ST85YMH6
• Description: Real Time Clock Serial 512 (64x8)
• Manufacturer: STMicroelectronics

Specifications of M41ST85YMH6

• Function: Clock, Calendar, Supervisor, Alarm
• Rtc Memory Size: 64 B
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial
• Package / Case: SO-28
• Time Format: HH:MM:SS:hh
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Operating modes
Figure 6.
Figure 7.
Figure 8.
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SCL FROM
MASTER
DATA OUTPUT
BY TRANSMITTER
DATA OUTPUT
BY RECEIVER
CLOCK
DATA
EX
E CON
Serial bus data transfer sequence
Acknowledgement sequence
Write cycle timing: RTC & external SRAM control signals
CONDITION
START
START
tEXPD
MSB
1
DATA VALID
DATA LINE
STABLE
DATA ALLOWED
CHANGE OF
2
tEXPD
LSB
8
ACKNOWLEDGEMENT
CLOCK PULSE FOR
CONDITION
STOP
9
AI00601
AI00587
AI03663
M41ST85W