AND3222MST-LEDW PURDY | Alldatasheet

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Technical content

Features

  • STN Gray Positive LCD type
  • Built-in LED yellow green backlight
  • Excellent readability and high-contrast ratio
  • 320 (W) x 240 (H) dot graphic display
  • Wide operating temperature range (-20 to +70 ºC)
  • Transflective rear polarizer
  • 6 o’clock viewing angle RoHS Compliant Mechanical Characteristics Item Specification Unit Outline Dimensions 148.0 (W) x 120.2 (H) x 20.5 max (D) mm Number of Pixels 320 (W) x 240 (H) pixels Active Area 120.14 (W) x 92.14 (H) mm Pixel Size 0.33 (W) x 0.33 (H) mm Pixel Pitch 0.36 (W) x 0.36 (H) mm Duty Ratio 1/240 duty Controller SID13305 – DC/DC Converter With – Absolute Maximum Ratings - Electrical Item Symbol Min. Max. Unit Power Supply for Logic V DD - V SS -0.3 7.0 V Power Supply for LCD Driver V DD - V LCD 0 30.0 V Input Voltage V I -0.3 V DD V LED Power Dissipation P AD – 1242 mW LED Forward Current I AF – 270 mA LED Reverse Voltage V R Electrical Characteristics (Ta = 25°C) Item Symbol Condition Min. Typ. Max. Unit Power Supply for Logic V DD - V SS – 4.5 5.0 5.5 V Power Supply for LCD Drive V LCD - V SS Input Voltage V IL L Level 0 – 0.6 V V IH H Level 2.2 – V DD V V DD - V O Ta = 0ºC – 22.7 – V Ta = 25ºC – 24.3 – V Ta = 50ºC – 25.8 – V Logic Supply Current I DD V DD =5.0V V DD - V O 24.3V 34.9 31.3 – mA I EE – 3.6 – LED Forward Voltage V F If = 180 mA – 4.2 4.6 V LED Forward Current I F – – 180 – mA LED Reverse Current I R VR = 8V – – 0.3 mA Product specifications contained herein may be changed without prior notice. It is therefore advisable to contact Purdy Electronics before proceeding with the design of equipment incorporating this product.

Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085 5/1/08 www.purdyelectronics.com Displays Dimensional Outline Unit: mm Standard Tolerance: 0.5mm AND3222MST-LEDW

Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085 5/1/08 www.purdyelectronics.com Displays Environmental Absolute Maximum Ratings Item Normal Temperature Wide Temperature Operating Storage Operating Storage Ambient Temperature 0 ºC +50 ºC -20 ºC +70 ºC -20 ºC +70 ºC -30 ºC +80 ºC Humidity (without condensation) See Note 2, 4 See note 3, 5 See Note 4, 5 See Note 4.6 Note 2: Ta ≤ 50ºC: 80% RH max; Ta > 50ºC: Absolute humidity must be lower than the humidity of 85% RH at 50ºC Note 3: Ta at -20ºC will be < 48 hrs at 70ºC will be <120 hrs when humidity is higher than 75%. Note 4: Background color changes slightly depending on ambient temperature. This phenomenon is reversible. Note 5: Ta ≤ 70ºC: 75% RH max; Ta > 70ºC: absolutely humidity must be lower than the humidity of 75% RH at 70ºC. Note 6: Ta at -30ºC will be < 48 hrs, at 80ºC will be < 120 hrs when humidity is higher than 75%. Optical Characteristics Item Symbol Condition Min. Typ. Max. Unit Viewing angle range φ f (12 o’clock) When Cr 1.4 –2 0 – degree φ b (6 o’clock) –4 0 – φ l (9 o’clock) –3 0 – φ r (3 o’clock) –3 0 – Rise time Tr V DD O =24.3V Ta=25ºC 175 ms Fall time Tf 170 ms Frame frequency Frm – 64 – Hz Contrast Cr – 4.5 – Brightness of Backlight L IF = 180 mA 10 20 – cd/m Peak Emission Wavelength λ P 567 570 576 nm Interface Pin Assignment Pin No. Pin Out Level Description Pin No. Pin Out Level Description

1 VSS 0V Power Supply Ground 11 DB4 H/L Data Bus Line

2 VDD 5V Logic Supply Voltage 12 DB5 H/L Data Bus Line

3 VO – Contrast Adjustment Voltage 13 DB6 H/L Data Bus Line

4 /RD L Read Signal 14 DB7 H/L Data Bus Line 5 /WR L Write Signal 15 /CS L Chip Signal

6 AO H/L Data Type Select 16 /RST L Reset Signal

7 DB0 H/L Data Bus Line 17 V

– Power Supply Voltage for LCD

8 DB1 H/L Data Bus Line 18 FG – For GND

9 DB2 H/L Data Bus Line 19 A 4.2V LED Power External (Red)

10 DB3 H/L Data Bus Line 20 K GND LED Ground External (White)

Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085 5/1/08 www.purdyelectronics.com Displays Power Supply Block Diagram AND3222MST-LEDW

Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085 5/1/08 www.purdyelectronics.com Displays Timing Characteristics Item Symbol Min. Typ. Max. Unit System Cycle Time tCYC 425 – – ns Address Set-up Time tAW 30 – – ns Address Hold Time tAH 10 – – ns Data Set-up Time tDS 120 – – ns Data Hold Time tDH 10 – – ns Output Disable Time tOH 10 – 50 ns Access Time tACC – – 120 ns Enable Pulse Width Read tEW 220 – – ns Write 220 – – ns AND3222MST-LEDW