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M41ST84Y Fiches technique(PDF) 11 Page - STMicroelectronics

No de pièce M41ST84Y
Description  5.0 or 3.0V, 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS
PDF  31 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M41ST84Y Fiches technique(HTML) 11 Page - STMicroelectronics

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M41ST84Y, M41ST84W
Table 7. AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: TA = –40 to 85°C; VCC = 2.7 to 3.6V or 4.5 to 5.5V (except where noted).
2. Transmitter must internally provide a hold time to bridge the undefined region (300ns max) of the falling edge of SCL.
Symbol
Parameter(1)
Min
Max
Unit
fSCL
SCL Clock Frequency
0
400
kHz
tBUF
Time the bus must be free before a new transmission can start
1.3
µs
tF
SDA and SCL Fall Time
300
ns
tHD:DAT
(2)
Data Hold Time
0
µs
tHD:STA
START Condition Hold Time
(after this period the first clock pulse is generated)
600
ns
tHIGH
Clock High Period
600
ns
tLOW
Clock Low Period
1.3
µs
tR
SDA and SCL Rise Time
300
ns
tSU:DAT
Data Setup Time
100
ns
tSU:STA
START Condition Setup Time
(only relevant for a repeated start condition)
600
ns
tSU:STO
STOP Condition Setup Time
600
ns



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