M41T81MY6 STMICROELECTRONICS [STMicroelectronics], M41T81MY6 Datasheet - Page 11

• Manufacturer Part Number: M41T81MY6
• Description: Serial Access Real-Time Clock with Alarms
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Figure 12. Bus Timing Requirements Sequence
Table 7. AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: T
t
SU:DAT
t
t
t
t
SU:STO
HD:STA
HD:DAT
SU:STA
t
Sym
t
t
f
HIGH
2. Transmitter must internally provide a hold time to bridge the undefined region (300ns max) of the falling edge of SCL.
LOW
SCL
BUF
t
t
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
(1)
tLOW
tHIGH
tF
CC
tHD:DAT
= 2.0 to 5.5V (except where noted).
tSU:DAT
Min
600
600
600
100
600
1.3
1.3
0
0
SR
tSU:STA
Typ
tHD:STA
Max
400
300
300
P
AI00589
tSU:STO
M41T81
Units
kHz
µs
ns
ns
ns
ns
ns
ns
µs
ns
µs
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