S-34C02A Datasheet, PDF (6/34 Pages) Seiko Instruments Inc – 2-WIRE CMOS SERIAL E2PROM FOR DIMM SERIAL PRESENCE DETECT

2-WIRE CMOS SERIAL E²PROM FOR DIMM SERIAL PRESENCE DETECT
S-34C02A
Rev.1.2_00
„ AC Electrical Characteristics
Table 9 Measurement Conditions
Input pulse voltage
Input pulse rising / falling time
0.1 × V_CC to 0.9 × V_CC
20 ns
Output determination voltage
Output load
0.5 × V_CC
100 pF+Pull-up resistor 1.0 kΩ
SDA
V_CC
R = 1.0 kΩ
C = 100 pF
Item
SCL clock frequency
SCL clock time “L”
SCL clock time “H”
SDA output delay time
SDA output hold time
Start condition setup time
Start condition hold time
Data input setup time
Data input hold time
Stop condition setup time
SCL y SDA rising time
SCL y SDA falling time
WP setup time
WP hold time
WP release setup time
WP release hold time
Bus release time
Noise suppression time
SCL
Figure 3 Output Load Circuit
Table 10
Symbol
V_CC = 2.5 to 5.5 V
Min.
Max.
f_SCL
0
400
t_LOW
1.3
−
t_HIGH
0.6
−
t_AA
0.1
0.9
t_DH
50
−
t_SU.STA
0.6
−
t_HD.STA
0.6
−
t_SU.DAT
100
−
t_HD.DAT
0
−
t_SU.STO
0.6
−
t_R
−
0.3
t_F
−
0.3
t_WS1
0
−
t_WH1
0
−
t_WS2
0
−
t_WH2
0
−
t_BUF
1.3
−
t_I
−
50
V_CC = 1.6 to 2.5 V
Unit
Min.
Max.
0
100
kHz
4.7
−
µs
4.0
−
µs
0.1
3.5
µs
100
−
ns
4.7
−
µs
4.0
−
µs
200
−
ns
0
−
ns
4.0
−
µs
−
1.0
µs
−
0.3
µs
0
−
µs
0
−
µs
0
−
µs
0
−
µs
4.7
−
µs
−
100
ns
t_HIGH
t_F
t_LOW
t_R
t_SU.STA
t_HD.STA
t_HD.DAT
t_SU.DAT
t_SU.STO
SDA
(in)
SDA
(out)
t_AA
t_DH
t_BUF
Figure 4 Bus Timing
6
Seiko Instruments Inc.