Data Sheet

FSC-BT956B Datasheet
Shenzhen Feasycom Technology Co., Ltd www.feasycom.com
-18-
5.2 Recommended Operating Conditions
Table 5: Recommended Operating Conditions
Parameter
Min
Type
Max
Unit
V
CHG
- DC Power Supply
4.6
5
5.75
V
V
BAT
- Input Voltage
2.4
3.7
4.35
V
T
A
- Operating Temperature
-20
25
+65
°C
T
ST
- Storage Temperature
-40
25
+90
°C
I
IO
- Maximum Current sunk by a I/O pin
8
10
12
mA
I
IO
- Maximum Current sourced by a I/O pin
8
10
12
mA
5.3 Input/output Terminal Characteristics(UART,USB,I/O)
Table 6: DC Characteristics (V
DD
- V
SS
= 3.5 ~ 6 V, T
A
= 25C)
Parameter
Min
Type
Max
Unit
V
DD
- Operation Voltage
3
3.3
3.6
V
V
SS
- Power Ground
-0.3
-
-
V
V
DD12
- Core Logic and I/O Buffer Pre-Driver Voltage
1.08
1.2
1.32
V
V
OH
- High Level Output Voltage
2.4
-
-
V
V
OL
- Low Level Output Voltage
-
-
0.4
V
V
IH
- Input High Voltage
2.0
-
-
V
V
IL
- Input Low Voltage
-
-
0.8
V
V
TH
- Switch Threshold(Schmitt-falling-trigger)
0.87
1.05
1.2
V
V
TH
- Switch Threshold(Schmitt-rising-trigger)
1.65
1.9
2.1
V
R
PU
- Input Pull-up Resist(V
IN
=V
SS
)
32
53
120
KΩ
R
PD
- Input Pull-down Resist(V
IN
=V
DD
)
37
49
120
KΩ
I
L
- Input Leakage Current
-10
-
10
uA
I
OZ
- Tri-State Output Leakage Current
-10
-
10
uA
I
OL
- Low level sink current(V
OL
=0.4V)
4
-
-
mA
I
OH
- High level source current (V
OH
=2.4V)
4
-
-
mA
5.4 Specifications of Power-on Reset
Table 7: Specifications of Power-on Reset
Parameter
Min
Type
Max
Unit
T
A
- Temperature
-20
25
+65
°C
I
POR
- Quiescent Current(V
DD
>Reset Voltage)
-
33
50
uA
V
POR
- Reset Voltage(TA=-20~+65°C )
1.6
2
2.4
V
V
POR
- VDD Start Voltage to Ensure Power on Reset
-
-
100
mV
PRV
DD
- VDD Raising Rate to Ensure Power-on Reset
0.025
-
-
V/ms
t
POR
- Minimum Time for V
DD
Stays at V
POR
to Ensure Power on
Reset
0.5
-
-
ms