S-24C256C Просмотр технического описания (PDF) - Unspecified
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S-24C256C Datasheet PDF : 35 Pages
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2-WIRE SERIAL E2PROM
S-24C256C
Rev.2.0_03_S
AC Electrical Characteristics
Table 11 Measurement Conditions
Input pulse voltage
Input pulse rising / falling time
Output reference voltage
Output load
0.2 VCC to 0.8 VCC
20 ns or less
0.3 VCC to 0.7 VCC
100 pF
Input pulse voltage
0.8 VCC
Output reference voltage
0.7 VCC
0.2 VCC
0.3 VCC
Figure 4 I/O Waveform during AC Measurement
Table 12
Ta = 40°C to 85°C
Item
Symbol
VCC = 2.5 V to 5.5 V
VCC = 1.6 V to 2.5 V
Unit
Min.
Max.
Min.
Max.
SCL clock frequency
fSCL
0
1000
0
SCL clock time “L”
tLOW
0.4
1.3
SCL clock time “H”
tHIGH
0.3
0.6
SDA output delay time
tAA
0.1
0.5
0.1
SDA output hold time
tDH
50
50
Start condition setup time
tSU.STA
0.25
0.6
400
kHz
s
s
0.9
s
ns
s
Start condition hold time
tHD.STA
0.25
0.6
s
Data input setup time
tSU.DAT
80
100
ns
Data input hold time
tHD.DAT
0
0
ns
Stop condition setup time
tSU.STO
0.25
0.6
s
SCL, SDA rising time
tR
0.3
0.3
s
SCL, SDA falling time
tF
0.3
0.3
s
WP setup time
tWS1
0
0
s
WP hold time
tWH1
0
0
s
WP release setup time
tWS2
0
0
s
WP release hold time
tWH2
0
0
s
Bus release time
tBUF
0.5
1.3
s
Noise suppression time
tI
50
50
ns
tF
tHIGH
tLOW
tR
SCL
tSU.STA
tHD.STA
tHD.DAT
tSU.DAT
tSU.STO
SDA
(input)
tAA
tDH
tBUF
SDA
(output)
Figure 5 Bus Timing
6
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