S-24C08C Datasheet, PDF (6/33 Pages) Seiko Instruments Inc – Write protect function during the low power supply voltage

2-WIRE SERIAL E²PROM
S-24C08C (WLP PRODUCT)
Rev.1.0_00_H
 AC Electrical Characteristics
Table 10 Measurement Conditions
Input pulse voltage
Input pulse rising / falling time
Output reference voltage
Output load
0.2 × V_CC to 0.8 × V_CC
20 ns or less
0.3 × V_CC to 0.7 × V_CC
100 pF
Input pulse voltage
0.8 × V_CC
Output reference voltage
0.7 × V_CC
0.2 × V_CC
0.3 × V_CC
Figure 3 I/O Waveform during AC Measurement
Table 11
Ta = −40°C to +85°C
Item
Symbol
V_CC = 1.6 V to 5.5 V
Unit
Min.
Max.
SCL clock frequency
f_SCL
0
SCL clock time “L”
t_LOW
1.3
SCL clock time “H”
t_HIGH
0.6
SDA output delay time
t_AA
0.1
SDA output hold time
t_DH
50
Start condition setup time
t_SU.STA
0.6
Start condition hold time
t_HD.STA
0.6
Data input setup time
t_SU.DAT
100
Data input hold time
t_HD.DAT
0
Stop condition setup time
t_SU.STO
0.6
SCL, SDA rising time
t_R
−
SCL, SDA falling time
t_F
−
WP setup time
t_WS1
0
WP hold time
t_WH1
0
WP release setup time
t_WS2
0
WP release hold time
t_WH2
0
Bus release time
t_BUF
1.3
Noise suppression time
t_I
−
400
kHz
−
μs
−
μs
0.9
μs
−
ns
−
μs
−
μs
−
ns
−
ns
−
μs
0.3
μs
0.3
μs
−
μs
−
μs
−
μs
−
μs
−
μs
50
ns
SCL
t_F
t_SU.STA
t_HD.STA
t_HIGH
t_LOW
t_HD.DAT
t_SU.DAT
SDA
(input)
SDA
(output)
6
t_AA
t_DH
Figure 4 Bus Timing
t_R
t_SU.STO
t_BUF