M34S32 Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
componentes Descripción
Fabricante
M34S32
STMicroelectronics
M34S32 Datasheet PDF : 18 Pages
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Table 7. AC Measurement Conditions
Input Rise and
Fall Times
≤ 50ns
Input Pulse
Voltages
0.2 VCC to 0.8 VCC
Input and Output
Timing Reference
Voltages
0.3 VCC to 0.7 VCC
M34S32
Figure 6. AC Testing Input/Output Waveforms
0.8VCC
0.2VCC
0.7VCC
0.3VCC
AI00825
Table 8. AC Characteristics (TA = 0 to 70°C,
–40 to 85°C; VCC = 4.5V to 5.5V, 2.5V to 5.5V)
M34S32
Symbol
Alt.
Parameter
VCC = 4.5V to
5.5V
VCC = 2.5V to
5.5V
Unit
Min. Max. Min. Max.
tCH1CH2
tR Clock Rise Time
300
300
ns
tCL1CL2
tF Clock Fall Time
300
300
ns
tDH1DH2 (1)
tR SDA Rise Time
20
300
20
300
ns
tDL1DL2 (1)
tF SDA Fall Time
20
300
20
300
ns
tCHDX (2)
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
1300
1300
ns
tDXCX
tSU:DAT Input Transition to Clock Transition
100
100
ns
tCHDH
tSU:STO Clock High to Input High (STOP)
600
600
ns
tDHDL
tBUF Input High to Input Low (Bus Free)
1300
1300
ns
tCLQV (3)
tAA Clock Low to Next Data Out Valid
200
900
200
900
ns
tQLQx
tDH Data Out Hold Time
200
200
ns
fC
fSCL Clock Frequency
400
400
kHz
tW
tWR Write Time
10
10
ms
Note:
1. Sampled only, not 100% tested in production.
2. For a reSTART condition, or following a write cycle.
3. The minimum value delays the falling/rising edge of SDA away from SCL=1 in order to avoid unwanted START and/or STOP
conditions.
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