PT6312_10 Datasheet, PDF (13/21 Pages) Princeton Technology Corp – VFD Driver/Controller IC

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VFD Driver/Controller IC
PT6312
SWITCHING CHARACTERISTIC WAVEFORM
PT6312 Switching Characteristics Waveform is given below.
fosc
OSC
50 %
STB
PW CLK PWCLK
PW ST B
tCL K- ST B
CLK
DIN
t s et up
t ho ld
DOUT
Sn/Gn
tTHZ
90 %
10 %
where:
PW CLK (Clock Pulse Width) ≥ 400ns
t setup (Data Setup Time) ≥ 100ns
tCLK-STB (Clock - Strobe Time) ≥ 1µs
tTZH (Grid Rise Time) ≤ 0.5µs
tTZH (Segment Rise Time) ≤ 2µs
fosc = Oscillation Frequency
tPZL
t P LZ
tTZH
PW STB (Strobe Pulse Width) ≥ 1µs
thold (Data Hold Time) ≥ 100ns
tTHZ (Fall Time) ≤ 120µs
tPZL (Propagation Delay Time) ≤ 100ns
tPLZ (Propagation Delay Time) ≤ 300ns
PT6312 V2.6
- 13 -
December, 2005