M41T94MH6E STMicroelectronics, M41T94MH6E Datasheet - Page 14

• 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

Operation
Figure 8.
Table 3.
1. Valid for ambient operating temperature: T
2. t
3. Value guaranteed by design, not 100% tested in production.
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CH
Symbol
t
t
t
t
t
t
t
E
SCL
SDO
SDI
CHCL
CLCH
DHDL
DLDH
EHQZ
QHQL
QLQH
t
t
t
t
t
t
t
t
t
t
CHDX
CHEH
DVCH
EHCH
f
CH
CLQV
CLQX
EHEL
ELCH
CL
+ t
SCL
ADDR. LSB IN
(2)
(2)
CL
(3)
(3)
(3)
(3)
(3)
(3)
(3)
1/f
Output timing requirements
AC characteristics
SCL
Serial clock input frequency
Clock high
Clock transition (fall time)
Serial clock input high to input data transition
Serial clock input high to chip enable high
Clock low
Clock transition (rise time)
Serial clock input low to output valid
Serial clock input low to output data transition
Input data transition (fall time)
Input data transition (rise time)
Input data to serial clock input high
Chip enable high to serial clock input high
Chip enable high to chip enable low
Chip enable high to output high-z
Chip enable low to serial clock input high
Output data transition (fall time)
Output data transition (rise time)
tCLQX
tCLQV
MSB OUT
A
Parameter
= –40 to 85°C; V
(1)
CC
= 2.7 to 5.5 V (except where noted).
tCH
tQLQH
tQHQL
tCL
Min
200
200
200
200
200
200
DC
50
40
0
LSB OUT
Max
150
250
100
100
2
1
1
1
1
tEHQZ
AI04634
M41T94
Unit
MHz
ns
µs
ns
ns
ns
µs
ns
ns
µs
µs
ns
ns
ns
ns
ns
ns
ns