STFPC311(2012) View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
STFPC311 Datasheet PDF : 39 Pages
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Electrical characteristics
11 Electrical characteristics
STFPC311
Table 7.
Electrical specifications
(TA = -20 to +70°C, VDD = 3.3V, VSS = 0V, VSS = VDD - 33.3V)
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
VOH1 High-Level Output Voltage
LED1 – LED4, IOH1 = -1mA
0.9VDD
V
VOL1 Low-Level Output Voltage
LED1 – LED4, IOH2 = 20mA
1
V
VOL2 Low-Level Output Voltage
DOUT, IOL2 = 4mA
0.4 V
IOH21 High-Level Output Current
VO = VDD – 2V, Seg1to Seg12
ct(s) IOH22 High-Level Output Current
VO = VDD – 2 V, Grid1to Grid8,
Se13g/Grid16to Seg20/Grid9
du IOLEAK Driver Leakage Current
VO = VDD – 33.3 V, driver off
ro RL Output Pull-Down Resistor
Driver output
P I
Input Current
VI= VDD or VSS
lete VIH High-Level Input Voltage
so VIL Low-Level Input Voltage
b VH Hysteresis Voltage
CLK, DIN, STB
- O IDD(DYN) Dynamic Current Consumption Under no load, display off
-3
mA
-15
mA
50
0.7VDD
100
0.35
-10 µA
150 kΩ
±1 µA
V
0.3VDD V
V
5 mA
uct(s) Table 8.
rod Symbol
Switching characteristics (TA = -20 to +70 °C, VDD = 3.3 V, VSS = -30 V)
Parameter
Test conditions
Min. Typ.
P tOSC
te tPLZ
le tPZL
Obso tTZH1
Oscillation Frequency
Propagation Delay Time
Rise Time
R = 33KΩ ±5%
CLK ≤ DOUT
CL = 15pF, RL = 10KΩ
CL = 300pF
Seg1 to Seg12
Grid1 to Grid8,
350
500
Max. Unit
650 kHz
300 ns
100 ns
2
μs
tTZH2
Seg13/Seg16 to
0.5 μs
Seg20/Grid9
tTHZ Fall Time
CL = 300pF, Segn, Gridn
120 μs
fMAX Maximum Clock Frequency Duty = 50%
1 MHz
CI Input Capacitance
15
pF
30/39
Doc ID 12324 Rev 2
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