SDA9270 Datasheet, PDF (26/33 Pages) Siemens Semiconductor Group – ICs for Consumer Electronics

SDA 9270
3.2 Recommended Operating Conditions
Parameter
Symbol
Limit Values Unit Test
min. typ. max.
Conditions
Supply voltages
Ambient temperature
V_DD
4.5 5
5.5 V
V_CC
T_A
0 25 70 ˚C
All TTL Inputs
High-level input voltage
V_IH
Low-level input voltage
V_IL
All TTL outputs
High-level output voltage
V_QH
Low-level output voltage
V_QL
2.0 V
0
2.4
V_DD 1
0.8 V
V
0.4 V
I_QH = − 2.0 mA
I_QL = 3.0 mA
Clock TTL Inputs CLL, SCA, SCAD
Clock frequency
Low time
High time
Rise time
Fall time
SCA - CLL skew time
12 27 30 MHz
t_WL
10
t_WH
10
t_TLH
t_THL
t_SK
0
ns Rise/fall time
ns ^{≤ 5 ns}
5
ns
5
ns
15 ns Diagram
on page 22
I²C Bus (all values are referred to min(V_IH) and max(V_IL))
High-level input voltage
V_IH
3V
Low-level input voltage
V_IL
0
SCL clock frequency
f_SCL
0
Inactive time before start of t_BUF
1.3
transmission
Set-up time start condition t_SU;STA 0.6
Hold time start condition
t_HD;STA
0.6
SCL low time
t_LOW
1.3
SCL high time
t_HIGH
0.6
Set-up time DATA
t_SU;DAT
100
V_DD 1
1.5 V
400 kHz
µs
µs
µs
µ
µs
ns
Semiconductor Group
26