M41T56M6E STMicroelectronics, M41T56M6E Datasheet - Page 16

• 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
Table 7. DC Characteristics
Note: 1. Valid for Ambient Operating Temperature: T
Table 8. Crystal Electrical Characteristics
Note: 1. These values are externally supplied if using the SO8 package. STMicroelectronics recommends the KDS DT-38: 1TA/
16/24
Symbol
V
Symbol
I
I
V
BAT
I
V
I
CC1
CC2
V
BAT
I
LO
OL
LI
R
C
2. STMicroelectronics recommends the RAYOVAC BR1225 or BR1632 (or equivalent) as the battery supply.
2. Load capacitors are integrated within the M41T56. Circuit board layout considerations for the 32.768 kHz crystal of minimum trace
3. All SNAPHAT battery/crystal tops meet these specifications.
IH
IL
f
O
S
L
(2)
1TC252E127, Tuning Fork Type (thru-hole) or the DMX-26S: 1TJS125FH2A212, (SMD) quartz crystal for industrial temperature
operations. KDS can be contacted at [e-mail] or http://www.kdsj.co.jp for further information on this crystal type.
lengths and isolation from RF generating signals should be taken into account.
Input Leakage Current
Output Leakage Current
Supply Current
Supply Current (Standby)
Input Low Voltage
Input High Voltage
Output Low Voltage
Battery Supply Voltage
Battery Supply Current
Resonant Frequency
Series Resistance
Load Capacitance
Parameter
Parameter
(1,2,3)
Switch Frequency = 100kHz
Oscillator ON, V
SCL, SDA = V
I
OL
T
A
Test Condition
A
0V
= 5mA, V
0V
= 25°C, V
= –40 to 85°C; V
V
V
OUT
IN
CC
CC
CC
V
BAT
V
= 4.5V
CC
– 0.3V
= 0V,
CC
(1)
CC
= 3V
= 4.5 to 5.5V (except where noted).
Min
–0.3
Min
2.5
3
32.768
12.5
Typ
Typ
100
450
3
V
Max
CC
60
Max
300
550
1.5
0.4
3.5
±1
±1
+ 0.8
Unit
Unit
kHz
k
pF
µA
µA
µA
µA
nA
V
V
V
V