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M24C64 Datasheet(PDF) 27 Page - STMicroelectronics

Part # M24C64
Description  128 Kbit, 64 Kbit and 32 Kbit serial I짼C bus EEPROM
PDF  38 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M24C64 Datasheet(HTML) 27 Page - STMicroelectronics

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M24128, M24C64, M24C32
DC and AC parameters
27/38
Table 18.
AC characteristics (M24xxx-F)
Test conditions specified in Table 10
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
tXH1XH2
(1)
1.
Values recommended by the I²C-bus Fast-Mode specification.
tR
Input signal rise time
20
300
ns
tXL1XL2
(1)
tF
Input signal fall time
20
300
ns
tDL1DL2
tF
SDA (out) fall time
20
100
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
(2)(3)
2.
To avoid spurious Start and Stop conditions, a minimum delay is placed between SCL=1 and the falling or
rising edge of SDA.
3.
tCLQV is the time (from the falling edge of SCL) required by the SDA bus line to reach 0.8VCC in a
compatible way with the I2C specification (which specifies tSU:DAT (min) = 100 ns), assuming that the Rbus
× Cbus time constant is less than 500 ns (as specified in Figure 4).
tAA
Clock low to next data valid (access time)
200
900
ns
tCHDX
(4)
4.
For a reStart 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
Write time
10(5)
5.
For temperature range 6: tW(max) = 5 ms.
For temperature range 5: tW(max) = 10 ms.
ms



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