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M24512-W Datasheet(PDF) 24 Page - STMicroelectronics

Part No. M24512-W
Description  512 Kbit and 256 Kbit serial I²C bus EEPROM with three Chip Enable lines
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M24512-W Datasheet(HTML) 24 Page - STMicroelectronics

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DC and AC parameters
M24512-x, M24256-Bx
24/35
Table 13.
AC characteristics (M24xxx-W, M24xxx-R see Table 7, Table 8 and
Table 9)
Symbol
Alt.
Parameter
Min.
Max.
Unit
fC
fSCL
Clock frequency
400
kHz
tCHCL
tHIGH
Clock pulse width high
600
ns
tCLCH
tLOW
Clock pulse width low
1300
ns
tDL1DL2
(1)
1.
Sampled only, not 100% tested.
tF
SDA (out) fall time
20
100
ns
tXH1XH2
(2)
2.
Values recommended by I²C-bus/Fast-Mode specification.
tR
Input signal rise time
20
300
ns
tXL1XL2
(2)
tF
Input signal fall time
20
300
ns
tDXCX
tSU:DAT
Data in set up time
100
ns
tCLDX
tHD:DAT
Data in hold time
0
ns
tCLQX
tDH
Data out hold time
200
ns
tCLQV
(3)
3.
To avoid spurious Start and Stop conditions, a minimum delay is placed between SCL=1 and the falling or
rising edge of SDA.
tAA
Clock low to next data valid (access time)
200
900
ns
tCHDX
(4)
4.
For a re-Start condition, or following a Write cycle.
tSU:STA
Start condition set up time
600
ns
tDLCL
tHD:STA
Start condition hold time
600
ns
tCHDH
tSU:STO Stop condition set up time
600
ns
tDHDL
tBUF
Time between Stop condition and next Start
condition
1300
ns
tW
tWR
Write time
5
ms
tNS
Pulse width ignored (input filter on SCL and
SDA) - single glitch
100
ns


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