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M34S32 数据表(PDF) 6 Page - STMicroelectronics

部件名 M34S32
功能描述  32K Serial I2C Bus EEPROM With User-Defined Read-Only Block and 32-Byte OTP Page
PDF  18 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M34S32 数据表(HTML) 6 Page - STMicroelectronics

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M34S32
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
Table 8. AC Characteristics (TA = 0 to 70°C,
–40 to 85°C; VCC = 4.5V to 5.5V, 2.5V to 5.5V)
Symbol
Alt.
Parameter
M34S32
Unit
VCC = 4.5V to
5.5V
VCC = 2.5V to
5.5V
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.
Figure 6. AC Testing Input/Output Waveforms
AI00825
0.8VCC
0.2VCC
0.7VCC
0.3VCC



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