m41t93 STMicroelectronics, m41t93 Datasheet - Page 7

• Manufacturer Part Number: m41t93
• Description: Serial Spi Bus Rtc With Battery Switchover
• Manufacturer: STMicroelectronics

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