M41T94MQ6E STMicroelectronics, M41T94MQ6E Datasheet - Page 16

• Manufacturer Part Number: M41T94MQ6E
• Description: IC SRAM RTC SERIAL 512B 16-SOIC
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/Alarmr

Specifications of M41T94MQ6E

• Memory Size: 44B
• Time Format: HH:MM:SS:hh (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Function: Clock/Calendar/Alarm/Timer Interrupt
• Rtc Memory Size: 64 Byte
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial (SPI)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3684; 497-3684-1; 497-3684-1; 497-3684-2; 497-3684-2

Operation
Figure 9.
Figure 10. Write mode sequence
16/41
E
SCL
SDO
E
SCL
SDO
SDI
SDI
W/R BIT
W/R BIT
Read mode sequence
MSB
MSB
7
7
0
0
HIGH IMPEDANCE
6
6
1
1
5
5
7 BIT ADDRESS
2
2
7 BIT ADDR
4
4
3
3
3
3
4
4
2
2
5
5
1
1
6
6
0
0
7
7
MSB
MSB
7
7
8
8
6
HIGH IMPEDANCE
6
9
9
5
10
5
DATA BYTE
DATA OUT
4
(BYTE 1)
4
3
12 13 14 15 16 17
3
2
2
1
1
0
15
0
MSB
7
7
6
5
DATA OUT
(BYTE 2)
4
3
2
1
22
0
AI04636
AI04635
M41T94