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MSC1209 Datasheet(PDF) 1 Page - OKI electronic componets

Part No. MSC1209
Description  42-Bit Vacuum Fluorescent Display Tube Driver with Digital Dimming Function
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Maker  OKI [OKI electronic componets]
Homepage  http://www.oki.com
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¡ Semiconductor
MSC1209
1/15
¡ Semiconductor
MSC1209
42-Bit Vacuum Fluorescent Display Tube Driver with Digital Dimming Function
GENERAL DESCRIPTION
The MSC1209 is a Bi-CMOS display driver for a 1/2-duty vacuum fluorescent display tube. The
MSC1209 consists of an 84-bit shift register, an 84-bit latch circuit, a 10-bit digital dimming circuit,
42-bit segment drivers, a 2-bit grid circuit, and a cascade control circuit.
The MSC1209 is interfaced with a microcontroller by using three signal lines of LOAD, CLOCK,
and DATA. The cascaded MSC1209 ICs can share LOAD, CLOCK, and DATA.
FEATURES
• Power supply voltage: 8V to 18V (Built-in 5V regulator for logic)
• Operating temperature range: –40 to +105
°C
• Driving 42 segments directly: VOH=VDD–0.5V at IOH=–3.0mA (VDD=15.0V)
• Built-in digital dimming circuit
10-bit resolution
Programmable in the duty range of 0/2048 (0%) to 1016.5/2048 (49.6%)
• 3 interfaces with microcontroller: LOAD, CLOCK, DATA
• Cascade connection available
(The cascaded MSC1209 ICs can share LOAD, CLOCK, and DATA.)
• Built-in oscillation circuit with an external capacitor (a single pin is used)
• Built-in power-on reset circuit
• Package:
56-pin plastic QFP (QFP56-P-910-0.65-2K) (Product name: MSC1209GS-2K)
E2C0020-29-53
This version: May 1999
Previous version: Nov. 1997




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