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Silan Microelectronics

SC16315 Datasheet Preview

SC16315 Datasheet

VFD CONTROLLER/DRIVER

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SC16315
VFD CONTROLLER/DRIVER
DESCRIPTION
The SC16315 is a FIP (Fluorescent Indicator Panel, or Vacuum
Fluorescent Display) controller/driver that is driven on a 1/4 or 1/12
duty factor. It has 16 segment outputs, 4 grid outputs, 8 segment/grid
outputs, a display memory, a control circuit, and a key scan circuit.
Serial data comes from a three-line serial interface. This FIP
controller/driver is ideal as a peripheral device for a single-chip
microcomputer.
FEATURES
QFP44-10 x10-0.8(S)
* Multiple display modes (16-segment & 12-dight to 24-segment &
4-digit).
* Key scanning (16x2 matrix).
* Dimming circuit (eight steps).
ORDERING INFORMATIONS
* High-voltage output (VDD – 35V max).
* LED ports (4 chs., 20 mA max).
* No external resistors necessary for driver outputs (P-ch open-drain
Device
SC16315
Package
QFP-44-10 X 10-0.8(S)
+ pull-down resistor output)
* Serial interface (CLK, STB, DIN, DOUT)
APPLICATIONS
* Microcomputer peripheral device
BLOCK DIAGRAM
www.DataSheet4U.com
DIN
7
DOUT
6
Serial
8 CLK
Data
Interface
9 STB
OSC
5
OSC
4-Bits Latch
Command
Decoder
Display
Memory
Timing
Generator
Key Data
Memory
Dimming Circuit
24 bits
Output
Latch
Data
Selector
12 Bits
Shift
Register
Segment
Driver
Seg1/
KS1 14
Seg16/
KS16 29
Seg17/
Grid12 31
Multiplexed
Driver
Seg24/
Grid5 38
Grid
Driver
Grid1
42
39
Grid4
LED1
1
LED4
K1 K2
4 10 11
VDD
VSS
VEE
43 44 30
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0 2008.12.16
Page 1 of 11




Silan Microelectronics

SC16315 Datasheet Preview

SC16315 Datasheet

VFD CONTROLLER/DRIVER

No Preview Available !

SC16315
ABSOLUTE MAXIMUM RATING (Unless otherwise specified, Tamb=25°C, VSS=0V)
Characteristics
Symbol
Logic Supply Voltage
VDD
Driver Supply Voltage
VEE
Logic Input Voltage
VI1
FIP Driver Output Voltage
VO2
LED Driver Output Current
IO1
FIP Driver Output Current
IO2
Power Dissipation
PD
Storage Temperature
TSTG
Operating Ambient
Temperature
Tamb
* Note: Derate at –6.4 mW/°C at Tamb=25°C or higher.
Value
-0.5 ~ +6.0
VDD + 0.5 ~ VDD - 40
-0.5 ~ VDD + 0.5
VEE - 0.5 ~ VDD + 0.5
±20
-40 (grid); -15 (segment)
800 *
-65 ~ +150
-40 ~ + 85
Unit
V
V
V
V
mA
mA
mW
°C
°C
RECOMMENDED OPERATING RANGE (Tamb= -20 ~ 70 °C, VSS=0V)
Characteristics
Symbol
Min.
Typ.
Max.
Unit
Logic Supply Voltage
VDD
3
5 5.5 V
High-Level Input Voltage
VIH
0.7VDD
--
VDD
V
Low-Level Input Voltage
VIL
0
--
0.3VDD
V
Driver Supply Voltage
VEE
0
--
VDD-35
V
Maximum power consumption PMAX. = FIP driver dissipation + RL dissipation + LED driver dissipation +
dynamic power consumption
Where segment current = 3mA, grid current = 15mA, and LED current = 20mA,
FIP driver dissipation = number of segments x 6 + number of grids/ (number of grids + 1) x 30(mW)
www.DataShReLetd4Uis.sciopmation = (VDD-VEE) 2 /50 x (number of segments + 1) (mW)
LED driver dissipation = number of LEDs x 20(mW)
Dynamic power consumption = VDD x 5(mW)
ELECTRICAL CHARACTERISTICS (Tamb= 25 °C, VDD =5V, VSS=0V, VEE=VDD-35V)
Characteristics
High-Level Output Voltage
Low-Level Output Voltage
Low-Level Output Voltage
High-Level Output Current
High-Level Output Current
Oscillation Frequency
Symbol
Test conditions
VOH1 LED1- LED4, IOH1=-12mA
VOL1 LED1- LED4, IOL1 =+15mA
VOL2 DOUT, IOL2=4mA
IOH21
VO=VDD-2V, Seg1/KS1 to
Seg16/KS16
IOH22
VO=VDD-2V, Grid1 to Grid4
Seg17/Grid12 to Seg24/Grid5
FOSC R=82KΩ
Min.
VDD-1
--
--
Typ.
--
--
--
-3 --
-15 --
300 500
Max.
--
1
0.4
--
--
650
Unit
V
V
V
mA
mA
KHz
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0 2008.12.16
Page 2 of 11


Part Number SC16315
Description VFD CONTROLLER/DRIVER
Maker Silan Microelectronics
Total Page 11 Pages
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