M41T94MH6F STMicroelectronics, M41T94MH6F Datasheet - Page 8

• Manufacturer Part Number: M41T94MH6F
• Description: IC RTC SPI SRAM SER 64X8 28-SOIC
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/Alarmr

Specifications of M41T94MH6F

• 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)
• Bus Type: Serial (SPI)
• User Ram: 64Byte
• Operating Supply Voltage (typ): 3.3/5V
• Package Type: SOH
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• Operating Temperature Classification: Industrial
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Pin Count: 28
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-5372-2; M41T94MH6F

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