M41T81M6F STMicroelectronics, M41T81M6F Datasheet - Page 24

• Manufacturer Part Number: M41T81M6F
• Description: IC RTC SERIAL W/ALARM 8-SOIC
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/Alarmr

Specifications of M41T81M6F

• Memory Size: 20B
• Time Format: HH:MM:SS:hh (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-4709-2

DC and AC parameters
24/29
Table 13.
1. Valid for ambient operating temperature: T
2. Transmitter must internally provide a hold time to bridge the undefined region (300 ns max) of the falling
t
HD:DAT
t
t
t
t
SU:STO
HD:STA
edge of SCL.
SU:STA
SU:DAT
t
Sym
t
t
f
HIGH
LOW
SCL
BUF
t
t
R
F
(2)
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
AC characteristics
transmission can start
Parameter
Doc ID 7529 Rev 10
A
(1)
= –40 to 85 °C; V
CC
= 2.0 to 5.5 V (except where noted).
Min
600
600
600
100
600
1.3
1.3
0
0
Typ
-
-
-
-
-
-
-
-
-
-
-
Max
400
300
300
M41T81
Units
kHz
µs
ns
ns
ns
ns
ns
ns
µs
ns
µs