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M24M01-R Fiches technique(PDF) 29 Page - STMicroelectronics

No de pièce M24M01-R
Description  1-Mbit serial I²C bus EEPROM
PDF  38 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M24M01-R Fiches technique(HTML) 29 Page - STMicroelectronics

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M24M01-R M24M01-DF
DC and AC parameters
Doc ID 12943 Rev 10
29/38
Table 15.
1 MHz AC characteristics
Symbol
Alt.
Parameter
Min.
Max.
Unit
fC
fSCL
Clock frequency
0
1
MHz
tCHCL
tHIGH
Clock pulse width high
300
-
ns
tCLCH
tLOW
Clock pulse width low
400
-
ns
tXH1XH2
tR
Input signal rise time
(1)
1.
There is no min. or max. values for the input signal rise and fall times. It is however recommended by the
I²C specification that the input signal rise and fall times be more than 20 ns and less than 120 ns when
fC <1MHz.
(1)
ns
tXL1XL2
tF
Input signal fall time
(1)
(1)
ns
tQL1QL2
(8)
tF
SDA (out) fall time
-
120
ns
tDXCX
tSU:DAT Data in setup time
80
-
ns
tCLDX
tHD:DAT Data in hold time
0
-
ns
tCLQX
(2)
2.
To avoid spurious Start and Stop conditions, a minimum delay is placed between SCL=1 and the falling or
rising edge of SDA.
tDH
Data out hold time
50
-
ns
tCLQV
(3)
3.
tCLQV is the time (from the falling edge of SCL) required by the SDA bus line to reach either 0.3 VCC or
0.7 VCC, assuming that the Rbus × Cbus time constant is within the values specified in Figure 13.
tAA
Clock low to next data valid (access time)
-
500
ns
tCHDL
tSU:STA Start condition setup time
250
-
ns
tDLCL
tHD:STA Start condition hold time
250
-
ns
tCHDH
tSU:STO Stop condition setup time
250
-
ns
tDHDL
tBUF
Time between Stop condition and next Start
condition
500
-
ns
tWLDL
(4)(8)
4.
WC=0 set up time condition to enable the execution of a WRITE command.
tSU:WC WC set up time (before the Start condition)
0
-
µs
tDHWH
(5)(8)
5.
WC=0 hold time condition to enable the execution of a WRITE command.
tHD:WC WC hold time (after the Stop condition)
1
-
µs
tW
tWR
Write time
-
5
ms
tNS
(6)
6.
Characterized only, not tested in production.
Pulse width ignored (input filter on SCL and
SDA)
-80(7)
7.
The previous product identified by process letter A or B was specified with tNS = 50 ns (max).
ns



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