M41T62_1112 Datasheet, PDF (8/44 Pages) STMicroelectronics – Serial real-time clocks (RTCs) with alarm

Description
Figure 5. M41T62 connections
M41T62/63/64/65
16 15 14 13
XI 1
12 NC
XO 2
V_SS 3
SQW^{(1) 4}
5
QFN
67
11 _IRQ/OUT⁽²⁾
10 SCL
9 SDA
8
SDA 1
SQW^{(1) 2}
V_SS 3
NC 4
1. SQW output defaults to 32 KHz upon power-up.
2. Open drain.
Figure 6. M41T63 connections
LCC
8 _SCL
7 NC
6 IRQ/OUT⁽²⁾
5 V_CC
AI09100
16 15 14 13
XI 1
12 NC
XO 2
11 _WDO⁽²⁾
V_SS 3
10 SCL
SQW^{(1) 4}
9 SDA
5678
1. SQW output defaults to 32 KHz upon power-up.
2. Open drain.
Figure 7. M41T64 connections
16 15 14 13
XI 1
12 NC
XO 2
11 SQW⁽²⁾
V_SS 3
10 SCL
F_32K(1) ⁴
9 SDA
5678
1. Enabled on power-up.
2. Open drain.
AI09190
AI09101
8/44
Doc ID 10397 Rev 19