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Silan Microelectronics

SC16312 Datasheet Preview

SC16312 Datasheet

VFD CONTROLLER/DRIVER

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SC16312
VFD CONTROLLER/DRIVER OF 1/4 ~1/11 DUTY
DESCRIPTION
The SC16312 is a FIP (Fluorescent Indicator Panel, or Vacuum
Fluorescent Display) controller/driver, and it’s duty is 1/4 or 1/11. It
includes 11 segment output lines, 6 grid output lines, 5 segment/grid
output drive lines, a display memory, a control circuit, and a key scan
circuit. Serial data is input to the SC16312 through a three-line serial
interface. This FIP controller/driver is ideal as a peripheral device for a
single-chip microcomputer.
FEATURES
QFP-44-10x10-0.8
LQFP-44-10x10-0.8
* Multiple display modes
* Key scanning (6x4 matrix).
ORDERING INFORMATION
* Dimming circuit (eight steps).
* High-voltage output (VDD –35V max).
* LED ports (4 chs., 20 mA max).
* General-purpose input port (4 bits)
Device
SC16312
SC16312L
Package
QFP-44-10X10-0.8
LQFP-44-10X10-0.8
* No external resistors necessary for driver outputs (P-ch open-drain
+ pull-down resistor output)
APPLICATIONS
* Serial interface (CLK, STB, DIN, DOUT)
* Suitable for telephone, VCD and etc.
multiple LCD driver and controller.
BLOCK DIAGRAM
Command decoder
Dimming circuit
DIN
DOUT
CLK
STB
Serial I/F
Display memeoy
16 bits x 11 words
OSC
OSC
Timing generator
key scan
KEY1
~
KEY4
4
SW1
4-bit
~
SW4
4
latch
key data memory (4 x 6)
4-bit latch
LED1
LED4
HANGZHOU MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
16-bit
output
latch 16
Segm-
ent
driver
11
5
Multip
Data
selector 5
lexed
driver
11-bit
shift
register
5
11
6
Grid
driver
Seg1
Seg11
Seg12/Grid
Seg13/Grid
Seg16/Grid
Grid1
Grid6
VDD VSS VEE
(+5V) (0V) (-30V)
REV:1.4 2006.02.27
Page 1 of 13




Silan Microelectronics

SC16312 Datasheet Preview

SC16312 Datasheet

VFD CONTROLLER/DRIVER

No Preview Available !

SC16312
ABSOLUTE MAXIMUM RATING (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
Topr
* Note: Derate at –6.4 mW/°C at Tamb=25°C or higher
Value
-0.5 ~ 7.0
VDD + 0.5 ~ VDD - 40
-0.5 ~ VDD + 0.5
VEE - 0.5 ~ VDD + 0.5
+25
-40 (grid) ; -15 (segment)
800 *
-65 ~ +150
-40 ~ + 85
Unit
V
V
V
V
mA
mA
mW
°C
°C
ELECTRICAL CHARACTERISTICS (Tamb=-20 ~ 70 °C, VDD =3.3 ~ 5.5V, VEE=VDD-30V)
Characteristics
Logic Supply Voltage
Driver Supply Voltage
High-Level Output Voltage
Low -Level Output Voltage
Low -Level Output Voltage
High-Level Output Current
High-Level Output Current
Driver Leakage Current
Output Pull-Down Resistor
Input Current
High-Level Input Voltage
Low-Level Input Voltage
Hysteresis voltage
Dynamic Current Consumption
Symbol
Test conditions
Min. Typ. Max. Unit
VDD 3.3 5 5.5 V
VEE 0 -- VDD-35 V
VOH1 LED1- LED4, IOH1=-1mA 0.9VDD -- -- V
VOL1 LED1- LED4, IOL1 =20mA --
--
1
V
VOL2 DOUT, IOL2=4mA
-- -- 0.4 V
IOH21
VO=VDD-2V, Seg1 to
Seg11
-3 -- -- mA
IOH22
VO=VDD-2V, Grid1 to Grid6
Seg12/Grid11 to
-15
Seg16/Grid7
--
-- mA
IOLEAK VO= VDD -35V,driver off
-- -- -10 µA
RL Driver output
50 100 150 k
II VI=VDD or VSS
-- -- ±1 µA
VIH --
0.7VDD -- -- V
VIL --
-- -- 0.3VDD V
VH CLK, DIN, STB
-- 0.35 --
V
IDDdyn Under no load, display off
--
--
5 mA
HANGZHOU MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.4 2006.02.27
Page 2 of 13


Part Number SC16312
Description VFD CONTROLLER/DRIVER
Maker Silan Microelectronics
Total Page 13 Pages
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