m41t93 STMicroelectronics, m41t93 Datasheet - Page 8

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

8/51
Figure 2.
1. Open drain output
2. Defaults to 32kHz on power-up.
Figure 3.
1. NF pins must be tied to V
2. Open drain output
3. Do not use (must be tied to V
4. Defaults to 32kHz on power-up.
QFN16 (QA) connections
SOX18 (MY) connections
SS
SQW
RST
. Pins 2 and 3, and 16 and 17 are internally shorted together.
CC
NC
NC
SQW
)
(1)
(2)
RST
V BAT
DU
NF
NF
V SS
NC
NC
(1)
(1)
(2)
(3)
(4)
1
2
3
4
16
5
1
2
3
4
5
6
7
8
9
M41T93
M41T93
15
6
14
7
18
17
16
15
14
13
12
11
10
13
8
12
10
11
9
NC
NF
NF
V CC
E
SDO
IRQ/FT/OUT
SCL
SDI
SDO
(1)
(1)
SCL
SDI
IRQ/FT/OUT
AI11819
AI11820
(2)
(1)