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MSC1208 Datasheet(PDF) 1 Page - OKI electronic componets

Part No. MSC1208
Description  23-bit x 2 Duplex Controller/Driver with Digital Dimming and Keyscan Function
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Maker  OKI [OKI electronic componets]
Homepage  http://www.oki.com
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MSC1208 Datasheet(HTML) 1 Page - OKI electronic componets

 
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MSC1208
¡ Semiconductor
GENERAL DESCRIPTION
The MSC1208 is a Bi-CMOS display driver for 1/2-duty vacuum fluorescent display tube.
It consists of 58-bit shift registers, latch circuits, a 10-bit digital dimming circuit, 4 ¥ 4 switch
matrix, and a keyscan circuit for 2-channel, 3-contact rotary switch. With these features, the
MSC1208 not only can display frequencies for audio systems used in automobile applications
and various information, but also can accept keyboard entry. Thus the front panel functions can
be carried out only by this IC.
Since the MSC1208 has the data parity check function and the self-check functions, inspection
at shipment and failure detection can easily be performed.
In addition, since the MSC1208 uses serial interfacing, only two signal lines, DATA ENABLE
and DATA I/O, are used for connection with a microcontroller.
FEATURES
• Power supply voltage
: VDD=8 to 18V (Built-in 5V-regulator for logic)
• Operating temperature range
: –40 to 85
°C
• Directly drives 23 segments
: IOH=–8.8mA, Max. at VOH=VDD–0.8V
• Built-in 4 ¥ 4 switch matrix and key scan circuit for 2ch, 3-contact switching
• Built-in digital dimming circuit with 10-bit resolution
• Data parity check function
• Self-check function (segment ON/OFF at intervals of about 1 second in test mode)
• Built-in RC oscillator (capacitor is connected externally)
• Built-in power-on reset circuit
• Package:
42-pin plastic shrink DIP (SDIP42-P-600-1.78)
: (Product name : MSC1208SS)
¥¥¥ indicates the code number.
¡ Semiconductor
MSC1208
23-bit
¥
¥
¥
¥
¥ 2 Duplex Controller/Driver with Digital Dimming and Keyscan Function
E2C0019-27-Y5
This version: Nov. 1997
Previous version: Jul. 1996


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