PT6958 查看數據表（PDF） - Princeton Technology

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PT6958

LED Driver IC

Princeton Technology 

SWITCHING CHARACTERISTIC WAVEFORM

PT6958 Switching Characteristics Waveform is given below.

PT6958

where:

fosc = Oscillation Frequency

PWSTB (Strobe Pulse Width) ≥ 1 µs

tsetup (Data Setup Time) ≥ 100 ns

tTZH (Segment Rise Time) ≤ 1 µs

tTZL (Grid Fall Time) ≤ 2µs(VDD=3.3V)

tTZL (Grid Fall Time) ≤ 1 µs(VDD=5V)

tPZL (Propagation Delay Time) ≤ 200 ns(3.3V)

tPZL (Propagation Delay Time) ≤ 100 ns(5V)

PWCLK (Clock Pulse Width) ≥ 400 ns

tCLK-STB (Clock - Strobe Time) ≥ 1 µs

thold (Data Hold Time) ≥ 100 ns

tTHZ (Segment Fall Time) ≤ 10 µs

tTLZ (Grid Rise Time) ≤ 20 µs(VDD=3.3V)

tTLZ (Grid Rise Time) ≤ 10 µs(VDD=5V)

tPLZ (Propagation Delay Time) ≤ 600 ns(3.3V)

tPLZ (Propagation Delay Time) ≤ 300 ns(5V)

Note:

Test Condition Under

tTHZ, tTZH: Pull low resistor=10KΩ, Loading capacitor=300pF

tTLZ, tTZL: Pull high resistor=10KΩ, Loading capacitor=300pF

V2.3

9

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