STV7710WAF データシートの表示（PDF） - STMicroelectronics

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STV7710WAF

Vacuum Fluorescent Display (VFD) Driver

STMicroelectronics 

AC TIMING CHARACTERISTICS

8 AC TIMING CHARACTERISTICS

STV7710/WAF

(Vcc = 5V, Vpp = 70V, Vssp = 0V, Vsssub = 0V, Vsslog = 0V, Tamb = 25°C, FCLK = 40MHz)

(Vilmax = 0.2Vcc, Vihmin = 0.8Vcc)

Symbol

Parameter

Min

Typ

Max Unit

tPHL1

tPLH1

tPHL2

tPLH2

tPHL3

tPLH3

tR OUT

tF OUT

tS

tR DAT

tF DAT

tPHL4

tPLH4

Delay of power output change after CLK transition

- high to low

-

- low to high

-

Delay of power output change after STB transition

- high to low

- low to high

-

Delay of power output change after BLK, POC

transition

- high to low

-

- low to high

Power output rise time (Note 1)

50

Power output fall time (Note 1)

50

Width of the Falling Edge Smooth Shape (not

-

tested) (Note 2)

Logic data output rise time (CL = 10pF)

-

Logic data output fall time (CL = 10pF)

-

Delay of logic data output change after CLK

transition

- high to low

-

- low to high

-

35

100

ns

30

100

ns

-

95

ns

-

95

ns

25

90

ns

20

90

ns

-

200

ns

-

200

ns

30

-

ns

9

20

ns

5

12

ns

12

25

ns

13

25

ns

Note: 1 One output among 96, loading capacitor CL = 50pF, other outputs at low level

2 See Figure 6

14/19

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