M41T56M6E STMicroelectronics, M41T56M6E Datasheet - Page 8

• Manufacturer Part Number: M41T56M6E
• Description: IC SRAM SRL TIMEKPR 512BIT 8SOIC
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/NVSRAMr

Specifications of M41T56M6E

• Memory Size: 56B
• Time Format: HH:MM:SS (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Function: Clock/Calendar
• Rtc Memory Size: 64 Byte
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial (2-Wire, I2C)
• Nvram Features: RTC, Internal Battery, XTAL
• Interface Type: I2C, Serial, 2-Wire
• Supply Voltage Range: 4.5V To 5.5V
• Memory Case Style: SOIC
• No. Of Pins: 8
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-2818-5; M41T56M6

M41T56
Figure 9. Bus Timing Requirements Sequence
Table 2. AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: T
8/24
t
Symbol
HD:DAT
t
t
t
t
HD:STA
SU:STA
SU:DAT
SU:STO
t
t
t
f
HIGH
LOW
SCL
BUF
t
t
2. Transmitter must internally provide a hold time to bridge the undefined region (300ns max.) of the falling edge of SCL.
R
F
(2)
SDA
SCL
SCL Clock Frequency
Clock Low Period
Clock High Period
SDA and SCL Rise Time
SDA and SCL Fall Time
START Condition Hold Time
(after this period the first clock pulse is generated)
START Condition Setup Time
(only relevant for a repeated start condition)
Data Setup Time
Data Hold Time
STOP Condition Setup Time
Time the bus must be free before a new transmission can start
tBUF
P
S
Parameter
tHD:STA
tR
A
= –40 to 85°C; V
tLOW
(1)
tHIGH
tF
CC
tHD:DAT
= 4.5 to 5.5V (except where noted).
tSU:DAT
Min
250
4.7
4.7
4.7
4.7
SR
0
4
4
0
tSU:STA
tHD:STA
Max
100
300
1
P
AI00589
tSU:STO
Unit
kHz
µs
µs
µs
ns
µs
µs
ns
µs
µs
µs