M41T56M6E STMicroelectronics, M41T56M6E Datasheet - Page 17

• 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

Figure 17. Power Down/Up Mode AC Waveforms
Table 9. Power Down/Up Mode AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: T
Table 10. Power Down/Up Trip Points DC Characteristics
Note: 1. All voltages referenced to V
Symbol
Symbol
V
t
V
t
t
REC
t
2. Valid for Ambient Operating Temperature: T
PFD
PD
FB
RB
SO
V CC
V PFD
V SO
SDA
SCL
I BAT
SCL and SDA at V
V
V
SCL and SDA at V
Power-fail Deselect Voltage
Battery Back-up Switchover Voltage
PFD
SS
to V
(min) to V
PFD
tPD
(min) V
Parameter
SS
SS
V
IH
IH
.
CC
CC
before Power Down
after Power Up
Fall Time
Rise Time
Parameter
(1,2)
tFB
A
A
= –40 to 85°C; V
= –40 to 85°C; V
DATA RETENTION TIME
(1)
CC
CC
1.2 V
= 4.5 to 5.5V (except where noted).
= 4.5 to 5.5V (except where noted).
Min
BAT
tRB
1.25 V
V
Typ
BAT
Min
300
100
BAT
10
0
1.285 V
tREC
Max
Max
AI00595
BAT
M41T56
Unit
Unit
ns
µs
µs
µs
V
V
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