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4

Note 4: AC Parameters are guaranteed by DC correlated testing.

Note 5: Capacitance guaranteed by periodic testing.

Switching Time Waveforms

Write Data Waveforms

3-STATE Waveforms

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Chip Enable to Write Enable Set-Up Time

15

ns

20

ns

Address to Write Enable Set-Up Time

15

ns

20

ns

Write Enable Width

400

225

ns

450

250

ns

Data to Write Enable Set-Up Time

390

225

ns

430

250

ns

Write Enable to Data Hold Time

−10

ns

−15

ns

Write Enable to Address Hold Time

−10

ns

−15

ns

Write Enable to Chip Enable Hold Time

30

ns

40

ns

Logical “1”, Logical “0” Levels into 3-STATE

275

500

ns

325

600

ns

3-STATE to Logical “1” or

Logical “0” Levels

325

600

ns

375

700

ns

Propagation Delay from Digit Input to

500

1000

ns

Segment Output

700

1400

ns

Interdigit Blanking Time

10

µs

20

µs

Multiplex Scan Frequency

Hz

Hz

Input Capacitance

(Note 5)

5

7.5

pF

3-STATE Output Capacitance

(Note 5)

30

50

pF