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MSC1209 Datasheet

  • MSC1209

  • 42-Bit Vacuum Fluorescent Display Tube Driver with Digital D...

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E2C0020-29-53
隆 Semiconductor
MSC1209
隆 Semiconductor
This version: May 1999
MSC1209
Previous version: Nov. 1997
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
鈥?Power supply voltage: 8V to 18V (Built-in 5V regulator for logic)
鈥?Operating temperature range: 鈥?0 to +105擄C
鈥?Driving 42 segments directly: V
OH
=V
DD
鈥?.5V at I
OH
=鈥?.0mA (V
DD
=15.0V)
鈥?Built-in digital dimming circuit
10-bit resolution
Programmable in the duty range of 0/2048 (0%) to 1016.5/2048 (49.6%)
鈥?3 interfaces with microcontroller: LOAD, CLOCK, DATA
鈥?Cascade connection available
(The cascaded MSC1209 ICs can share LOAD, CLOCK, and DATA.)
鈥?Built-in oscillation circuit with an external capacitor (a single pin is used)
鈥?Built-in power-on reset circuit
鈥?Package:
56-pin plastic QFP (QFP56-P-910-0.65-2K) (Product name: MSC1209GS-2K)
1/15

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