M24256-AMN6(2001) View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
M24256-AMN6 Datasheet PDF : 20 Pages
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M24256-A
Table 9. AC Characteristics
M24256-A
Symbol Alt.
Parameter
VCC=4.5 to 5.5 V
TA=–40 to 85°C
VCC=2.5 to 5.5 V
TA=–40 to 85°C
Unit
Min
Max
Min
Max
tCH1CH2
tR Clock Rise Time
300
300
ns
tCL1CL2
tF Clock Fall Time
300
300
ns
tDH1DH2 2
tR SDA Rise Time
20
300
20
300
ns
tDL1DL2 2
tF SDA Fall Time
20
300
20
300
ns
tCHDX 1
tSU:STA Clock High to Input Transition
600
600
ns
tCHCL
tHIGH Clock Pulse Width High
600
600
ns
tDLCL
tHD:STA Input Low to Clock Low (START)
600
600
ns
tCLDX
tHD:DAT Clock Low to Input Transition
0
0
µs
tCLCH
tLOW Clock Pulse Width Low
1.3
1.3
µs
tDXCX
tSU:DAT Input Transition to Clock Transition
100
100
ns
t CHDH
tSU:STO Clock High to Input High (STOP)
600
600
ns
tDHDL
tBUF Input High to Input Low (Bus Free)
1.3
1.3
µs
tCLQV 3
tAA Clock Low to Data Out Valid
200
900
200
900
ns
tCLQX
tDH Data Out Hold Time After Clock Low
200
200
ns
fC
fSCL Clock Frequency
400
400
kHz
tW
tWR Write Time
10
10
ms
Note: 1. For a reSTART condition, or following a write cycle.
2. Sampled only, not 100% tested.
3. To avoid spurious STAR T and STOP conditions, a minimum delay is placed between SCL=1 and the falling or rising edge of SDA.
Table 10. AC Measurement Conditions
Input Rise and Fall Times
≤ 50 ns
Input Pulse Voltages
0.2VCC to 0.8VCC
Input and Output Timing
Reference Voltages
0.3VCC to 0.7VCC
Figure 9. AC Testing Input Output Waveforms
0.8VCC
0.7VCC
0.2VCC
0.3VCC
AI00825
11/20
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