OKI Semiconductor

FEDL9261A-01

Issue Date: Mar. 28, 2002

ML9261A

60-Bit Vacuum Fluorescent Display Tube Grid/Anode Driver

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GENERAL DESCRIPTION

The ML9261A is a monolithic IC designed for directly driving the grid and anode of the vacuum fluorescent

display (VFD) tube. The device contains a 60-bit shift register, a 60-bit register circuit, and 60 VFD tube driving

circuits on a single chip.

Display data is serially stored in the shift register at the rising edge of a clock pulse.

Setting the

CL pin low allows all the VFD tube driving circuits to be driven low, which makes it possible to set the

display blanking.

Also, setting both of the

CL and CHG pins high allows all the VFD tube driving circuits to be driven high, which

provides the easy testing of all lights after final assembly of a VFD tube panel.

FEATURES

: +3.3 V

± 10% or +5.0 V ± 10%

: +20 to +60 V

• Driver Output Current

: 1 mA

• Directly connected to VFD tube by using push-pull output (Pull-down resistors are not needed)

• Data Transfer Speed

: 4 MHz

• Package: 70-pin plastic SSOP (SSOP70-P-500-0.80-K)

: ML9261AMB