stled325 STMicroelectronics, stled325 Datasheet - Page 36

• Manufacturer Part Number: stled325
• Description: I?c Interfaced, Advanced Led Controller/driver With Keyscan, Standby Power Management And Real Time Clock Rtc
• Manufacturer: STMicroelectronics

Electrical ratings
Note:
36/62
Table 15.
)
Table 16.
The transmitter must internally provide a hold time to bridge the undefined region (300ns
max) of the falling edge of the SCL.
Symbol
I
CC(Q)
I
tSU:STO
CC
tHD:STA
tSU:DAT
tHD:DAT
tSU:STA
Symbol
t
tBUF
t
f
HIGH
trec
LOW
SCL
t
t
R
F
Quiescent supply current
Operating power supply
Power supply characteristics (T
Dynamic switching characteristics (T
GND=0.0V, Typical values are at 25°C)
SCL clock frequency
Clock low period
Clock high period
SDA and SCL rise time
SDA and SCL fall time
START condition hold time
(after this period the first clock pulse is
generated)
START condition setup time
(only relevant for a repeated start condition)
Data setup time*
Data hold time
STOP condition setup time
Time the bus must be free before a new
transmission can start
Watchdog output pulse width
Parameter
current
Doc ID 17576 Rev 1
Parameter
All blocks of chip ON except
that no display load
Test conditions
Display OFF
V
V
CC
CC
A
= -40 to 85°C)
= 5.5V
= 5.5V
A
= -40 to +85 °C, V
Min
600
600
600
100
600
1.3
1.3
96
0
0
Min
Typ
CC
Typ
= 5.0V ± 10%,
Max
400
300
300
98
STLED325
TBD
Max
2
Units
kHz
ms
µs
ns
ns
ns
ns
ns
ns
µs
ns
µs
Unit
mA
mA