STFPC311BTR STMicroelectronics, STFPC311BTR Datasheet - Page 35

• Manufacturer Part Number: STFPC311BTR
• Description: IC CTRL/DRIVER FRONT PNL 52-PQFP
• Manufacturer: STMicroelectronics

Specifications of STFPC311BTR

• Display Type: Vacuum Fluorescent (VF)
• Interface: Serial
• Current - Supply: 5mA
• Voltage - Supply: 3 V ~ 33.3 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 52-MQFP, 52-PQFP
• Maximum Operating Temperature: + 85 C
• Maximum Clock Frequency: 1 MHz
• Maximum Output Current: 25 mA
• Maximum Power Dissipation: 1200 mA
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• For Use With: 497-8394 - BOARD DEMO STFPC311/ST72264497-6454 - BOARD EVAL BASED ON STFPC311
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Configuration: -
• Digits Or Characters: -
• Lead Free Status / Rohs Status: Details
• Other names: 497-6107-2

STFPC311
14
Figure 33. Typical application circuit
C 1
C 1
+
+
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
V
V
DD
DD
C 2
C 2
10
10
11
11
12
12
4
4
5
5
8
8
Typical application diagram
1
1
2
2
3
3
6
6
7
7
9
9
●
●
●
●
●
●
●
●
●
●
* V
GND
GND
SS
R
R1 ~ R4 = 0.75 ~ 1.2kΩ;
R5, R6 = 10kΩ for external keyboard pull-down resistor;
C1 = 33µF-25V electrolytic;
C2 = 0.01 ~ 0.1µF-25V ceramic;
C3 = 0.01 ~ 0.1µF-63V ceramic;
C4 = 33µF-63V electrolytic;
D1 ~ D12 = 1N4148;
Ef = filament voltage according with the VFD specs;
V
V
V
GND
GND
V
V
= down to V
DD
OSC
R 5
R 5
R 6
R 6
DD
DD
SS
SS
* -30V
* -30V
3.3V±0.3V
3.3V±0.3V
= 3.3V ±10%;
R
R
= 33kΩ ± 1% for oscillator resistor;
OSC
OSC
O SC
O SC
D
D
R EAD Y /STBY _n
R EAD Y /STBY _n
C LK
C LK
D
D
IR _D AT A_IN
IR _D AT A_IN
N C
N C
M U TE
M U TE
STBY
STBY
STB
STB
V
V
KEY 1
KEY 1
IN
IN
OUT
OUT
DD
DD
DD
– 33.3V.
KEY 2
KEY 2
D 1
D 1
SEG 1/K1
SEG 1/K1
ST FPC 311
ST FPC 311
KEY B O AR D
KEY B O AR D
12 x 2
12 x 2
V
V
SS
SS
S13/G 16 ~ S20/G 9
S13/G 16 ~ S20/G 9
C 3
C 3
SEG 12/K12
SEG 12/K12
V
V
SS
SS
C 4
C 4
+
+
G 1 ~ G 8
G 1 ~ G 8
LED 1
LED 1
LED 2
LED 2
LED 3
LED 3
LED 4
LED 4
D 12
D 12
V
V
8 G rids/Segments
8 G rids/Segments
8 G rids
8 G rids
DD
DD
R 1
R 1
R 2
R 2
R 3
R 3
R 4
R 4
14 Typical application diagram
V FD
V FD
Ef
Ef
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