M4T32-BR12SH STMICROELECTRONICS [STMicroelectronics], M4T32-BR12SH Datasheet - Page 9

• Manufacturer Part Number: M4T32-BR12SH
• Description: 5.0 OR 3.0V, 512 bit 64 x 8 SERIAL RTC and NVRAM SUPERVISOR
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Figure 8. Serial Bus Data Transfer Sequence
Figure 9. Acknowledgement Sequence
Figure 10. WRITE Cycle Timing: RTC & External SRAM Control Signals
SCL FROM
MASTER
DATA OUTPUT
BY TRANSMITTER
DATA OUTPUT
BY RECEIVER
EX
E CON
CLOCK
DATA
CONDITION
START
START
tEXPD
MSB
1
DATA VALID
DATA LINE
STABLE
DATA ALLOWED
CHANGE OF
2
tEXPD
LSB
8
M41ST85Y, M41ST85W
ACKNOWLEDGEMENT
CLOCK PULSE FOR
CONDITION
STOP
9
AI00587
AI00601
AI03663
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