Purdy AND3222MST2 Uživatelský manuál stáhnout pdf (Strana 3)

Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085

7/20/07

Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected]

www.purdyelectronics.com

Displays

Timing Chart

Timing Specifications

Item

Symbol Min Typ Max Unit

System Cycle Time

CVC

425 – – ns

Address Set-up Time

30 – – ns

Address Hold Time

10 – – ns

Data Set-up Time

120 – – ns

Data Hold Time

10 – – ns

Output Disable Time

10 – 50 ns

AccessTime

ACC

– – 120 ns

Enable Pulse Width

Read

220 – – ns

Write 220 – – ns

Environmental Absolute Maximum Ratings

Item

Normal Temperature Wide Temperature

Operating Storage Operating Storage

Min. Max. Min. Max. Min. Max. Min. Max

Ambient Temperature 0 ºC +50 ºC -20 ºC +70 ºC -20 ºC +70 ºC -30 ºC +80 ºC

Humidity (without condensation) See Notes 1, 3 See Notes 2, 4 See Notes 3, 4 See Notes 3, 5

NOTES:

1. Ta≤ 50 ºC: 80% RH max

Ta> 50 ºC: Absolute humidity must be lower than the humidity of 85%RH at 50 ºC

2. Ta at -20 ºC will be < 48 hrs at 0 ºC will be <120 hrs when humidity is higher than 75%.

3. Background color changes slightly depending on ambient temperature. This phenomenon is reversable.

4. Ta ≤ 70 ºC: 75RH max

Ta > 70 ºC: abosolute humidity must be lower than the humidity of 75%RH at 70 ºC.

5. Ta at -30 ºC will be <48hrs, at 80 ºC will be <120hrs when humidity is higher than 75%.

AND3222MST2

1 2 3 4

Displays 1

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