M41T94MH6E STMicroelectronics, M41T94MH6E Datasheet - Page 8

• Manufacturer Part Number: M41T94MH6E
• Description: IC RTC SRAM SERIAL 512BIT 28SOIC
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/Alarmr

Specifications of M41T94MH6E

• 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: 28-SOIC, 28-SOH (8.48mm 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: 497-2823-5; M41T94MH6

Description
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Table 1.
1. For SO16 package only.
Figure 3.
E
IRQ/FT/OUT
RST
RSTIN1
RSTIN2
SCL
SDI
SDO
SQW
THS
WDI
XI
XO
V
V
V
BAT
CC
SS
(1)
(1)
(1)
Signal names
28-pin SOIC connections
RSTIN1
RSTIN2
SQW
V SS
WDI
Chip enable
Interrupt/frequency test/out
output (open drain)
Reset output (open drain)
Reset 1 input
Reset 2 input
Serial clock input
Serial data input
Serial data output
Square wave output
Threshold select pin
Watchdog input
Oscillator input
Oscillator output
Battery supply voltage
Supply voltage
Ground
NC
NC
NC
NC
NC
NC
NC
NC
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
M41T94
AI03685
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V CC
E
IRQ/FT/OUT
NC
NC
THS
NC
NC
SCL
NC
RST
SDI
SDO
NC
M41T94