SLX24C32 Datasheet, PDF (24/26 Pages) Siemens Semiconductor Group – 32 Kbit 4096 x 8 bit Serial CMOS EEPROMs, I2C Synchronous 2-Wire Bus

SLx 24C32
8.3 AC Characteristics
Parameter
Symbol Limit Values Limit Values Units
V_CC = 2.7-5.5 V V_CC = 4.5-5.5 V
min. max. min. max.
SCL clock frequency
f_SCL
100
400 kHz
Clock pulse width low
t_low
4.7
1.2
µs
Clock pulse width high
t_high
4.0
0.6
µs
SDA and SCL rise time
t_R
1000 ¹⁾
300 ns
SDA and SCL fall time
t_F
300
1)
300 ns
Start set-up time
t_SU.STA
4.7
0.6
µs
Start hold time
t_HD.STA
4.0
0.6
µs
Data in set-up time
t_SU.DAT
200
100
ns
Data in hold time
t_HD.DAT
0
0
µs
SCL low to SDA data out valid t_AA
0.1
4.5
0.1
0.9
µs
Data out hold time
t_DH
100
50
ns
Stop set-up time
t_SU.STO
4.0
0.6
µs
Time the bus must be free before t_BUF
4.7
1.2
µs
a new transmission can start
SDA and SCL spike suppression t_l
time at constant inputs
50
100 50
100 ns
1) _{The minimum rise and fall times can be calculated as follows: (20 + (0.1/pF) × Cb) ns}
Example: C_b = 100 pF → t_R = (20 + 0.1 × 100) ns = 30 ns
8.4 Erase and Write Characteristics
Parameter
Symbol Limit Values Limit Values Units
V_CC = 2.7-5.5 V V_CC = 4.5-5.5 V
typ. max. typ. max.
Erase + write cycle (per page) t_WR
5
8
5
8
ms
Erase page protection bit
2.5 4
2.5 4
ms
Write page protection bit
2.5 4
2.5 4
ms
Semiconductor Group
24
Preliminary 1998-07-27