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M41T93RQA6F Arkusz danych(PDF) 7 Page - STMicroelectronics

Numer części M41T93RQA6F
Szczegółowy opis  Serial SPI bus real-time clock (RTC) with battery switchover
PDF  56 Pages
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M41T93RQA6F Arkusz danych(HTML) 7 Page - STMicroelectronics

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M41T93
Description
56
Figure 1. Logic diagram
1. For QFN16 package only
2. Defaults to 32 KHz on power-up
3. Open drain
Table 1. Signal names
Symbol
Description
XI(1)
1. For QFN16 package only
32 KHz oscillator input
XO(1)
32 KHz oscillator output
IRQ/FT/OUT
Interrupt/frequency test/output driver (open drain)
SQW(2)
2. Defaults to 32 KHz on power-up
32 KHz programmable square wave output
RST
Power-on reset output (open drain)
E
Chip enable
SDI
Serial data address input
SDO
Serial data address output
SCL
Serial clock input
VBAT
Battery supply voltage (tie VBAT to VSS if no battery is connected)
DU(3)
3. Do not use (must be tied to VCC)
Do not use
VCC
Supply voltage
VSS
Ground
SDI
VCC
VSS
VBAT
SCL
RST
(3)
E
IRQ/OUT/FT
(3)
SQW
(2)
SDO
XI
(1)
XO
(1)
AI11818



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